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1

SOME FACTORS AFFECTING UNDERGRADUATE ACADEMIC ACHIEVEMENT.  

PubMed

A related series of studies, most of which have been published previously, is described. These studies form a coherent whole and demonstrate the development of a theme, namely, the identification of factors in the student and the medical school which, in their interaction, influenced undergraduate academic performance at one medical school. In the population concerned no reliable positive or negative correlation could be demonstrated between cognitive ability and academic performance, when the former was measured by the Wechsler Adult Intelligence Scale and the Medical College Admission Test, and the latter by the current assessment methods of the medical school. Other factors, including socioeconomic and individual personality variables, are at present under investigation as to their effect on academic achievement. It is emphasized that the results of these studies cannot be regarded as valid for all medical schools, but the methods employed can be generalized. PMID:14278025

HUNTER, R C

1965-04-01

2

Assessing achievement of primary grader students and factors affecting achievement in Pakistan  

Microsoft Academic Search

Purpose – This paper aims to focus on achievement level of primary grade students in different subjects taught at primary level and the factors affecting the student achievement in this regard. Design\\/methodology\\/approach – The study was carried out on a sample of 1,080 students of grade 3 and 5 drawn from randomly selected 36 primary\\/ elementary schools from nine districts

Muhammad Saeed; Muhammad Bashir Gondal; Bushra

2005-01-01

3

Assessing Achievement of Primary Grader Students and Factors Affecting Achievement in Pakistan  

ERIC Educational Resources Information Center

Purpose: This paper aims to focus on achievement level of primary grade students in different subjects taught at primary level and the factors affecting the student achievement in this regard. Design/methodology/approach: The study was carried out on a sample of 1,080 students of grade 3 and 5 drawn from randomly selected 36 primary/elementary…

Saeed, Muhammad; Gondal, Muhammad Bashir; Bushra

2005-01-01

4

External Factors Affecting Gifted Girls' Academic and Career Achievements.  

ERIC Educational Resources Information Center

This article discusses the unique position that teachers have for observing the environmental influences affecting the career choices of gifted girls. It suggests ways for teachers to educate parents on the family's role in education and career achievement and to create an educational environment that promotes the development of talent. (Contains…

Nelson, Mary Ann; Smith, Stephen W.

2001-01-01

5

Factors Affecting Academic Achievement in Graduate Management Education  

Microsoft Academic Search

This article describes a model developed to explain the variation in academic achievement among students in a graduate management education program. Results of its application show that the model explained 49% of the variation in academic performance. Results also show that the Graduate Management Admissions Test score was a more significant predictor of graduate academic performance than was undergraduate performance,

Richard F. Bieker

1996-01-01

6

Factors Affecting Academic Achievement in Graduate Management Education.  

ERIC Educational Resources Information Center

Analysis of the academic achievement of 71 business administration graduates indicated that scores on the Graduate Management Admissions Test (GMAT) are more significant predictors of graduate performance than undergraduate performance is. The relationship between graduate performance and GMAT score differs for black students and white students.…

Bieker, Richard F.

1996-01-01

7

Factors Affecting Literacy Achievement of Eighth Grade Middle School Instrumental Music Students  

ERIC Educational Resources Information Center

The purpose of this pretest-posttest comparative efficacy study was to analyze factors affecting literacy achievement of eighth grade middle school instrumental music students (n = 38) including (a) socioeconomic status (SES), (b) gender, (c) grade point average (GPA), (d) music motivation, (e) music involvement, and (f) instrument section. The…

Kurt, Johnny T.

2010-01-01

8

Institutional Factors That Affect the Mathematical Achievement of African American Females  

ERIC Educational Resources Information Center

This dissertation explored how institutional factors impact the mathematical achievement of African American middle school females. The purpose of the research was to provide insight into African American females' perception of their mathematics experiences and demonstrate how both internal and external factors contribute to their achievement.…

Chatman, Audrey

2011-01-01

9

Factors affecting student achievement in science: A study of teacher beliefs  

NASA Astrophysics Data System (ADS)

This study employed a mixed methods and mixed model research design to explore secondary science teachers' beliefs. Specifically, this study focused on factors that secondary science teachers believe affect student achievement in science, and the extent to which teacher beliefs transfer to teacher practice. This study is significant because the outcomes may inform professional development and policy decisions at the school, district, and provincial level. Results from self-reporting data of 82 secondary science teachers indicate that teacher beliefs in each of the fourteen topics surveyed (Classroom Management, Learning Styles, Inclusion, Equity, Science-Technology-Society (STS), Formative Assessment, Summative Assessment, Constructivism, Thematic Approach, Hands-On/Minds-On Activities, The Nature of Science, Science Subject Matter, Electronic Learning and Cooperative Learning) are positive for most Prince Edward Island (P.E.I.) secondary science teachers. Furthermore, secondary science teachers reported having strong beliefs in their ability to affect student learning (self-efficacy beliefs). However, it is apparent from the survey and interview data that teachers believe there are other influential factors that are preventing some students from learning despite the teachers' best efforts and ability. Regarding implementation, this study indicates that beliefs and the enactment of beliefs in classroom practice are positively correlated. The data also shows that at least seventy percent of teachers reported that they implement practices consistent with all but two topics -- The Nature of Science and Electronic Learning -- at least once a week. The findings of this study are discussed in the context of the P.E.I. secondary science setting. Limitations and implications of this study are also addressed.

Hayes, Jonathan

10

Out-of-School Factors Affecting Academic Achievement. Information Capsule. Volume 1004  

ERIC Educational Resources Information Center

This Information Capsule is the third in a series of papers addressing factors contributing to low academic achievement. The two previous papers addressed issues relevant to class size reduction and teacher quality/preparation. The premise of this Information Capsule is that there is no single smoking gun relative to improving school performance.…

Romanik, Dale

2010-01-01

11

An analysis of factors that affect public and private school science achievement  

NASA Astrophysics Data System (ADS)

Data on 30,030 sophomores in the High School and Beyond project were analyzed to test the private school superiority hypothesis for science achievement. The supposition that private schools are superior to public schools in producing science achievement is rejected on the basis of the present analysis. Major differences in science achievement between public and private schools appear attributable to relatively fixed characteristics of students and to their experiences beyond the school environment, rather than to factors easily alterable by educators. The authors point out and discuss the value of homework, the problem of excessive television viewing, the influence of parental involvement in education, and the effect of the amount of academic classes taken.Received: 5 September 1985

Staver, John R.; Walberg, Herbert J.

12

Risk factors that affect reproductive target achievement in fertile dairy cows.  

PubMed

The aims of the present study were to investigate (1) the risk factors that influence the achievement of reproductive targets postpartum (pp) and (2) the key factors that influence pregnancy rate following first artificial insemination (AI) in dairy cows. Ninety-eight Holstein-Friesian pp cows were blood sampled from wk 1 to 4 pp for hematology and biochemistry. Reproductive tract health was assessed weekly by ultrasonography and vaginal mucus scoring. Body condition score (BCS), lameness score, and milk yield were assessed every 2 wk. Milk samples for progesterone assay were collected twice weekly and on d 4, 5, and 7 after AI. Risk factors associated with achieving reproductive targets depended on (1) increased metabolic activity of the liver (increased glutamate dehydrogenase at calving and increased ?-glutamyl transpeptidase in wk 4), (2) a competent immune system (increased neutrophils in wk 1; decreased ?1-acid glycoprotein in wk 1, 2, and 3), (3) an endocrine system that was capable of responding by producing sufficient triiodothyronine in wk 2 and increased insulin-like growth factor I in wk 3 and 4, (4) a lower negative energy balance status (decreased nonesterified fatty acid concentration in wk 1; decreased ?-hydroxybutyrate concentration in wk 2; BCS loss between calving and d 28 pp <0.5), (5) good reproductive tract health [normal uterine scan at d 45 pp; clear vaginal mucus discharge at first ovulation and at d 45 pp; resumed ovarian cyclicity by the end of the voluntary waiting period (? d 35 pp)], and (6) adequate diet (to ensure increased glutathione peroxidase in wk 2 and 3 and increased magnesium in wk 4). Risk factors that increased the odds of a successful first AI were previous ovulation(s) (odds ratio=3.17 per ovulation), BCS >2.5 at AI (odds ratio=3.01), and clear vaginal mucus (score=0) compared with purulent mucus (score >0) 4 d after first AI (odds ratio=2.99). In conclusion, this study identified key risk factors in the early pp period that give a higher probability of cows achieving their reproductive targets and of having a first-AI pregnancy. PMID:24679929

Aungier, S P M; Roche, J F; Diskin, M G; Crowe, M A

2014-06-01

13

Factors affecting academic achievement among sexual minority and gender-variant youth.  

PubMed

Experiences of victimization among sexual minority youth (e.g., lesbian, gay, bisexual, transgender; LGBT) and gender-variant youth remain pronounced in many schools. Although much work has shown the connection between homophobic bullying and mental and physical health, there has been limited attention to how victimization impedes learning, academic achievement, and other school-related outcomes for these youth. In this chapter, we propose several pathways through which victimization leads to academic disparities among sexual minority and gender-variant youth, with attention to its effects on individual learning processes (e.g., motivation, concentration, self efficacy, and other cognitive stressors) as well as broader psychological and social processes (e.g., mental health, school avoidance, harmful coping strategies, exclusionary discipline). We also consider protective factors (e.g., social support, Gay-Straight Alliances, extracurricular involvement, nondiscrimination policies, inclusive curriculum) that could promote resilience and suggest potential mechanisms by which they may operate. In doing so, we aim to stimulate ideas for an advancement of research in this area. PMID:25344999

Poteat, V Paul; Scheer, Jillian R; Mereish, Ethan H

2014-01-01

14

Examining Factors Affecting Science Achievement of Hong Kong in PISA 2006 Using Hierarchical Linear Modeling  

ERIC Educational Resources Information Center

This study uses hierarchical linear modeling to examine the influence of a range of factors on the science performances of Hong Kong students in PISA 2006. Hong Kong has been consistently ranked highly in international science assessments, such as Programme for International Student Assessment and Trends in International Mathematics and Science…

Lam, Terence Yuk Ping; Lau, Kwok Chi

2014-01-01

15

Women in Leadership: Factors That Affect the Achievement of Women in Higher Education Administration at Four-Year Public and Private Universities in Texas  

ERIC Educational Resources Information Center

The purpose of this quantitative study was to examine the factors that affect women administrators in higher education at four-year public and private universities in Texas. By comparing private and public universities, the research provided an assessment of similarities and differences of the factors impacting achievement of women in higher…

Ramirez, Dawn Marie

2012-01-01

16

2011 and 2012 Early Careers Achievement Awards: farm and pig factors affecting welfare during the marketing process.  

PubMed

The objective of this paper is to review the scientific literature to identify on-farm factors that contribute to market weight pig transportation losses. Transportation of market weight pigs is an essential element to the multisite pork production model used in the United States. In 2011 alone, approximately 111 million market weight pigs were transported from the finishing site to the abattoir. For pigs, the marketing process can present a combination of potentially novel, physical, and/or unfamiliar experiences that can be stressful. If the pig cannot cope with these sequential and additive stressors, then an increased rate of transportation losses could occur with a detrimental effect on pork carcass value. Current yearly estimates for transport losses are 1 million pigs (1%). A variety of market weight pig and farm factors have been reported to detrimentally affect transportation losses. By understanding how pigs interact with their environment during marketing, researchers, producers, and personnel at the abattoir may begin to identify, prioritize, and attempt to minimize or eliminate these stressors. This process will ultimately decrease transportation losses, improve pork quality, and increase profitability. PMID:23478817

Johnson, A K; Gesing, L M; Ellis, M; McGlone, J J; Berg, E; Lonergan, S M; Fitzgerald, R; Karriker, L A; Ramirez, A; Stalder, K J; Sapkota, A; Kephart, R; Selsby, J T; Sadler, L J; Ritter, M J

2013-06-01

17

Case Studies of Factors Affecting the Motivation of Musical High Achievers to Learn Music in Hong Kong  

ERIC Educational Resources Information Center

This article reports on the personal beliefs and attitudes of highly motivated Hong Kong school-age subjects who studied music. A total of 24 participants who demonstrated high achievement and interest in learning music were interviewed. Content analysis of the interview data was performed to elucidate four topics: background information about the…

Leung, Bo Wah; McPherson, Gary E.

2011-01-01

18

Case studies of factors affecting the motivation of musical high achievers to learn music in Hong Kong  

Microsoft Academic Search

This article reports on the personal beliefs and attitudes of highly motivated Hong Kong school-age subjects who studied music. A total of 24 participants who demonstrated high achievement and interest in learning music were interviewed. Content analysis of the interview data was performed to elucidate four topics: background information about the music learning of participants, their feelings about learning music,

Bo Wah Leung; Gary E. McPherson

2011-01-01

19

A study of determining factors affecting the performance of nurses based on the achieve model in selected hospital of Isfahan (Iran)  

PubMed Central

Background: The achieve uses 7 variables: ability; clarity; help; incentive; evaluation; validity; and environment, to provide leaders and staffs with the necessary tools to improve performance, and help managers to determine cause of performance problem. And create change strategy for solving those problems. We try to determine factors affecting the performance of nurses, base on this model in selected hospital of Isfahan (Iran). Materials and Methods: This was a descriptive-correlation survey. The population of study was 85 nurses of 9 hospitals in Esfahan. Data gathering was done via achieve questionnaire. Reliability was calculated by Cronbach's alpha (r = 0.85). Data analysis was done by using SPSS 16. Result: The ability and help variables were the most important factors in improving performance of nurses and validity and evaluation were less important. Conclution: Today, staff effectiveness is one of the important problems in health care organization. In fact, performance improvement is the most important step for organization improvement. PMID:24251285

Yaghoubi, Maryam; Javadi, Marzieh; Rakhsh, Fariba; Bahadori, Mohamadkarim

2013-01-01

20

Factors Affecting Photosynthesis!  

E-print Network

Factors Affecting Photosynthesis! Temperature Eppley (1972) Light Sverdrup's Critical Depth-493, but the general concept is still valid! ! #12;PB opt & Temperature! #12;Photosynthesis & Temperature! Remember: in the laboratory, we can measure photosynthesis versus irradiance (PvsE) and calculate Ek, Pmax, and alpha

Kudela, Raphael M.

21

Factors Affecting Photosynthesis!  

E-print Network

4/21/13 1 Factors Affecting Photosynthesis! Temperature Eppley (1972) Light Sverdrup transporters (nutrients) It slows down (curves) because the dark reactions can't process fast enough Light controlled by light and is linear Critical Depth! Given the previous assumptions, the Critical Depth (Zcr

Kudela, Raphael M.

22

Affective Factors: Anxiety  

ERIC Educational Resources Information Center

Affective factors seem to play a crucial role in success or failure in second language acquisition. Negative attitudes can reduce learners' motivation and harm language learning, while positive attitudes can do the reverse. Discovering students' attitudes about language will help both teacher and student in teaching learning process. Anxiety is…

Tasnimi, Mahshad

2009-01-01

23

Cognitive Factors in Academic Achievement.  

ERIC Educational Resources Information Center

This review explores the factors of cognitive processing, style, and metacognitive organization as they contribute to academic success. Specific discussions consider aspects of short- and long-term memory, including how these affect learning and academic performance, and the keys to attaining long-term memory capability by involving redundancy,…

Cuasay, Peter

1992-01-01

24

The relationship among mathematics achievement, affective variables and home background  

NASA Astrophysics Data System (ADS)

One thousand seven hundred and sixty six secondary school students in Hong Kong participated in the present study, in which the relationship among mathematics achievement, affective variables and home background was investigated. It was found that mathematics achievement was most closely related with self-concept, academic self-concept and attitudes towards mathematics. Self- and parental expectations were the most influential factors to these affective variables. It was also found that Hong Kong students spent, on the average, over 33% of homework time on mathematics homework. The time spend on homework, however, did not exhibit significant correlation with mathematics achievement.

Wong, Ngai-Ying

1993-10-01

25

Factors Affecting Students' Retention at Kuwait University  

ERIC Educational Resources Information Center

This article addresses the factors that affect students' retention at Kuwait University. Five hundred seventy students participated in the study. A survey of 22 retention factors was designed to measure student perceptions. Students presented their agreement on factors which included: achieving personal aspiration, getting jobs, free-of-charge…

AlKandari, Nabila

2008-01-01

26

Factors Affecting Students' Performance  

Microsoft Academic Search

Determinants of students' performance have been the subject of ongoing debate among educators, academics, and policy makers. There have been many studies that sought to examine this issue and their findings point out to hard work, previous schooling, parents’ education, family income and self motivation as factors that have a significant effect on the students GPA. Most of those studies

Nasri Harb; Ahmed El-Shaarawi

2006-01-01

27

Does Peer Ability Affect Student Achievement?  

ERIC Educational Resources Information Center

Empirical analysis of peer effects on student achievement has been open to question because of the difficulties of separating peer effects from other confounding influences. While most econometric attention has been directed at issues of simultaneous determination of peer interactions, this paper argues that issues of omitted and mismeasured…

Hanushek, Eric A.; Kain, John F.; Markman, Jacob M.; Rivkin, Steven G.

28

Factors affecting running economy.  

PubMed

Running economy, defined as the steady-state VO2 for a given running velocity, has been shown to account for a large and significant proportion of variation in distance-running performance among runners roughly comparable in VO2 max. Despite this recognition, relatively little is known regarding the potpourri of physiological, environmental, structural and mechanical factors potentially associated with a lower aerobic demand of running. Early attempts at quantifying the energy expenditure of exhaustive runs incorporated measurements of oxygen consumption before, during, and after exercise. The validity of this approach has been questioned, however, since recent evidence has demonstrated that only a moderate relationship exists between postexercise VO2 and anaerobic metabolism. The energy demands for submaximal running (i.e. running economy) can be quantified by calculating the steady-state VO2, expressed with respect to body mass and time, for a standardised, submaximal running speed. Since this variable represents the aerobic demand of running, the generation of energy must derive wholly from cell respiration and not from substantial protein catabolism. Research has indicated that at low to moderate work rates, the steady-state energy condition is attained in about 3 minutes. Trained individuals reach steady-state sooner than unfit subjects. While limited by methodological constraints, the existence of a steady-state has also been verified by the lack of blood lactate accumulation and the presence of a respiratory exchange ratio of less than 1.00. The ability of economy, either singly or in combination with VO2 max, to account for a substantial portion of performance variation among trained distance runners and untrained subjects of comparable ability and fitness level has been demonstrated in recent cross-sectional studies. Limited data from short and long term longitudinal research also suggests that endurance running success is linked to training and growth-related improvements in economy. Intraindividual variation in economy has been shown to vary between 2% and 11% for a given speed. Most of this variation can probably be attributed to biological error. While the majority of evidence does not support a gender difference in running economy, data from some studies suggest that males may be more economical than women. Prepubescent children are less economical than older children and adults, whereas older adults exhibit the same trend when compared to younger counterparts. Because of air and wind resistance, the aerobic demands of indoor treadmill running significantly underestimate the cost of overground running, especially at higher speeds.(ABSTRACT TRUNCATED AT 400 WORDS) PMID:2662320

Morgan, D W; Martin, P E; Krahenbuhl, G S

1989-05-01

29

Factors Affecting Willingness to Mentor  

ERIC Educational Resources Information Center

The paper presents a survey among 300 employees in Northern Italy to assess the willingness to mentor and identify the factors that affect it. Men and respondents with previous mentoring experience indicate a higher willingness to be a mentor. Willingness is affected by personal characteristics that are perceived as necessary for a mentor and the…

Ghislieri, Chiara; Gatti, Paola; Quaglino, Gian Piero

2009-01-01

30

Affecting Factors in Second Language Learning  

ERIC Educational Resources Information Center

The present study investigated the influence of sex, handedness, level in second language (L2) and Faculty choice on the performance of phonological, syntactical and semantic tasks in L2. Level in L2 and sex were the most affecting factors. Subjects who achieved higher scores on L2 tasks had strong second language aptitude skills since they were…

Andreou, G.; Vlachos, F.; Andreou, E.

2005-01-01

31

Factors Contributing to Institutions Achieving Environmental Sustainability  

ERIC Educational Resources Information Center

Purpose: The purpose of this paper is to determine what factors contributed to three universities achieving environmental sustainability. Design/methodology/approach: A case study methodology was used to determine how each factor contributed to the institutions' sustainability. Site visits, fieldwork, document reviews, and interviews with…

James, Matthew; Card, Karen

2012-01-01

32

Factors Affecting Bioscience Students' Academic Achievement  

ERIC Educational Resources Information Center

The examination of academic progression has become an essential tool for measuring the effectiveness of educational systems. Research concerning the relationship between student learning and how they progress in their studies, however remains scarce. The aim of this study is two-fold: Firstly, the study aims to analyse first-year bioscience…

Rytkonen, Henna; Parpala, Anna; Lindblom-Ylanne, Sari; Virtanen, Viivi; Postareff, Liisa

2012-01-01

33

Factors affecting bioscience students’ academic achievement  

Microsoft Academic Search

The examination of academic progression has become an essential tool for measuring the effectiveness of educational systems.\\u000a Research concerning the relationship between student learning and how they progress in their studies, however remains scarce.\\u000a The aim of this study is two-fold: Firstly, the study aims to analyse first-year bioscience students’ perceptions of their\\u000a teaching–learning environment and their approaches to learning

Henna Rytkönen; Anna Parpala; Sari Lindblom-Ylänne; Viivi Virtanen; Liisa Postareff

34

Factors Affecting Reading Achievement in Peru.  

ERIC Educational Resources Information Center

Two exploratory studies examined Peru's elementary reading programs. The first looked at reading curriculum, texts, and teachers; the second, at students' reading ability. In Peru performance goals are not specified for each grade by the reading curriculum nor are specific instructional materials recommended (reading is not considered a separate…

Thorne, Cecilia; Pinzas, Juana

35

Achieving Affective Impact: Visual Emotive Communication in Lifelike Pedagogical Agents  

E-print Network

exploit the visual channel to more effectively communicate with learners. To address these issuesAchieving Affective Impact: Visual Emotive Communication in Lifelike Pedagogical Agents James C advice to support learners' problem-solving activities. By drawing on a rich repertoire of emotive

Young, R. Michael

36

Factors affecting rotator cuff healing.  

PubMed

Several studies have noted that increasing age is a significant factor for diminished rotator cuff healing, while biomechanical studies have suggested the reason for this may be an inferior healing environment in older patients. Larger tears and fatty infiltration or atrophy negatively affect rotator cuff healing. Arthroscopic rotator cuff repair, double-row repairs, performing a concomitant acromioplasty, and the use of platelet-rich plasma (PRP) do not demonstrate an improvement in structural healing over mini-open rotator cuff repairs, single-row repairs, not performing an acromioplasty, or not using PRP. There is conflicting evidence to support postoperative rehabilitation protocols using early motion over immobilization following rotator cuff repair. PMID:24806015

Mall, Nathan A; Tanaka, Miho J; Choi, Luke S; Paletta, George A

2014-05-01

37

Factors affecting reciprocating compressor performance  

SciTech Connect

A reciprocating compressor is a positive displacement machine and, in principal, its capacity and horsepower can be calculated very easily. In practice, however, several loss mechanisms act to decrease capacity and increase horsepower from the ideal predicted values. Many of these effects are quite difficult to predict accurately and the only effective way of developing reciprocating compressor performance prediction methods is to run a large number of tests on different compressors under different operating conditions. Combined with an understanding of the physics controlling the losses, experimental results allow good empirical models of losses to be developed. However, without the benefit of a good understanding of the physics of the loss mechanisms, it is impossible to interpret test results. Some factors affecting the magnitude of losses are compressor design, compressor speed, suction and discharge pressure and temperature, gas composition, suction and discharge piping design, and valve design. Losses that are important in some applications may be negligible in others so it is essential that a wide range of compressor designs, valve designs, gas molecular weight and operating conditions be tested when developing a performance prediction model. The paper discusses the effects of clearance and pressure ratio; the primary losses affecting capacity and power, including valve and port pressure loss, valve springing, valve inertia, piston ring leakage, packing leakage, discharge valve leakage, suction valve leakage, pulsations, heat transfer in the suction passage, and heat transfer in the cylinder; heat transfer in compressor cylinders; performance prediction methods; and compressor diagnosis.

Woollatt, D. (Dresser-Rand Co., Painted Post, NY (United States))

1993-06-01

38

Locus of Control and Its Affect on Achievement.  

ERIC Educational Resources Information Center

Locus of control is considered a primary factor in the difference between students' high and low achievement. This phenomenon is defined as a polar construct which refers to the degree to which individuals view their successes and failures as either contingent upon their own behaviors (internal locus of control) or independent of them (external…

Tomlinson, Louise M.

39

Motivational Factors Affecting Advanced Literacy Learning of Community College Students  

Microsoft Academic Search

This article explores the possible intrinsic and extrinsic motivational factors that community college students may bring with them into the classroom. It examines how these motivational factors affect students' learning inside and outside the community college classroom walls. The motivational factors such as mastery, self-determination, belongingness, and social responsibility that drive first language learners to achieve a level of advanced

Rebecca J. Dean; Lorraine Dagostino

2007-01-01

40

Factors Influencing Mathematical Problem-Solving Achievement of Seventh Grade Turkish Students  

ERIC Educational Resources Information Center

It is known that there are many factors affecting students' problem-solving abilities. In this study, the influence of seventh-grade students' affective factors, their academic success, their gender and their families' educational levels on their problem-solving achievement was examined. To achieve this aim, a Problem-Solving Attitude Scale, a…

Guven, Bulent; Cabakcor, Buket Ozum

2013-01-01

41

Factors Affecting Onset of Puberty  

Microsoft Academic Search

In humans, foetal and early postnatal growth failure may have persistent consequences for growth and pubertal development in later life. During this period, the developing organs are still plastic to change their function, which may have long-lasting effects. At the time of onset of puberty, acute factors may also interfere with pubertal development. Malnutrition, as seen in anorexic patients, and

Henriette A. Delemarre-van de Waal; Silvia C. C. M. van Coeverden; Mia J. T. Engelbregt

2002-01-01

42

Factors affecting leachate quality. Technical note  

SciTech Connect

This technical note describes factors affecting leachate quality for dredged material in confined disposal facilities (CDFs). Factors evaluated include desorption kinetics, sediment concentration, and association of PCBs with soluble and colloidal organic matter.

Brannon, J.M.; Pennington, J.C.; Myers, T.E.; Price, C.B.

1989-12-01

43

Measure for Measure: How Proficiency-Based Accountability Systems Affect Inequality in Academic Achievement  

ERIC Educational Resources Information Center

How do proficiency-based accountability systems affect inequality in academic achievement? This article reconciles mixed findings in the literature by demonstrating that three factors jointly determine accountability's impact. First, by analyzing student-level data from a large urban school district, we find that when educators face…

Jennings, Jennifer; Sohn, Heeju

2014-01-01

44

Perceptions of Educational Barriers Affecting the Academic Achievement of Latino K-12 Students  

ERIC Educational Resources Information Center

This study examined different factors affecting the perceptions of barriers in academic achievement of Latino K-12 students. The study used data from 1,508 participants who identified themselves as being of Hispanic or Latino heritage in the 2004 National Survey of Latinos: Education, compiled by the Pew Hispanic Center between August 7 and…

Becerra, David

2012-01-01

45

Ecological Factors Affecting Community Invasibility  

Microsoft Academic Search

What makes a community invasible? For over a century ecologists have sought to understand the relative importance of biotic\\u000a and abiotic factors that determine community composition. The fact that we are still exploring this topic today hints at both\\u000a its importance and complexity. As the impacts from harmful non-native species accumulate, it has become increasingly urgent\\u000a to find answers to

Suzanne V. Olyarnik; Matthew E. S. Bracken; Jarrett E. Byrnes; A. Randall Hughes; Kristin M. Hultgren; John J. Stachowicz

46

Factors affecting outcomes in colonoscopy.  

PubMed

There are many factors that influence successful outcomes in colonoscopy. The aims of this study were to evaluate these factors and determine ways to improve outcomes. All participants (N=229) who underwent planned colonoscopy between July and September 2004 were retrospectively included. Participants included 118 men and 111 women with a mean age of 59 years. Completion rate was 92%. Reasons of failure included poor bowel preparation (2.2%, p< .025), bowel looping (2.2%, p< .025), participant discomfort (1.3%), and obstructing lesion (1.3%). Mean midazolam dose was 3.8 mg. Three participants (1.3%) had midazolam alone, and all had complete colonoscopy. One hundred thirty-three participants (60.7%) had additional meperidine, with a completion rate of 94%. Eighty three participants (37.9%) had additional meperidine and Buscopan, with a completion rate reduced to 89.2%. There was no correlation between sedatives used and completion rate. Completion rate of colonoscopy in our unit was acceptable at 92%. A combination of midazolam and meperidine gave the best completion rates (94%). The two main reasons for incompletion were poor bowel preparation and excessive bowel looping. PMID:18300826

Selehi, Seema; Leung, Edmund; Wong, Ling

2008-01-01

47

EFL teachers' factors and students' affect  

Microsoft Academic Search

Individual learners' affective factors are very important for foreign language learning. In China foreign language learning mainly happens in classroom. Foreign language teachers are the organizers and carriers of language classes, and thus they inevitably influence the students ' affection. This study explores how EFL teachers influence students ' affect, what the teachers should do to develop and make good

QIN Lei

2007-01-01

48

Positive Affect and Negative Affect as Modulators of Cognition and Motivation: The rediscovery of affect in achievement goal theory  

Microsoft Academic Search

A central hypothesis of classical motivation theory is that affect underlies motivation and its behavioural manifestations. However, this has been largely ignored in the past 30 years because social cognitivism has been the dominant theory. As a result, studies have concentrated on social cognitive processes when analysing those factors that determine and maintain performance?related behaviour. In recent years affect has

Gunnar Bjørnebekk

2008-01-01

49

Factors affecting calculation of L  

NASA Astrophysics Data System (ADS)

A detectable extraterrestrial civilization can be modeled as a series of successive regimes over time each of which is detectable for a certain proportion of its lifecycle. This methodology can be utilized to produce an estimate for L. Potential components of L include quantity of fossil fuel reserves, solar energy potential, quantity of regimes over time, lifecycle patterns of regimes, proportion of lifecycle regime is actually detectable, and downtime between regimes. Relationships between these components provide a means of calculating the lifetime of communicative species in a detectable state, L. An example of how these factors interact is provided, utilizing values that are reasonable given known astronomical data for components such as solar energy potential while existing knowledge about the terrestrial case is used as a baseline for other components including fossil fuel reserves, quantity of regimes over time, and lifecycle patterns of regimes, proportion of lifecycle regime is actually detectable, and gaps of time between regimes due to recovery from catastrophic war or resource exhaustion. A range of values is calculated for L when parameters are established for each component so as to determine the lowest and highest values of L. roadmap for SETI research at the SETI Institute for the next few decades. Three different approaches were identified. 1) Continue the radio search: build an affordable array incorporating consumer market technologies, expand the search frequency, and increase the target list to 100,000 stars. This array will also serve as a technology demonstration and enable the international radio astronomy community to realize an array that is a hundred times larger and capable (among other things) of searching a million stars. 2) Begin searches for very fast optical pulses from a million stars. 3) As Moore's Law delivers increased computational capacity, build an omni-directional sky survey array capable of detecting strong, transient, radio signals from billions of stars. SETI could succeed tomorrow, or it may be an endeavor for multiple generations. We are a very young technology in a very old galaxy. While our own leakage radiation continues to outshine the Sun at many frequencies, we remain detectable to others. When our use of the spectrum becomes more efficient, it will be time to consider deliberate transmissions and the really tough questions: Who will speak for Earth? What will they say?

Ciotola, Mark P.

2001-08-01

50

Factors in school achievement and social class  

Microsoft Academic Search

Examined perceptions of social environment by 489 elementary school children and their attitudes for their relationship to school performance. Factors derived from the data accounted for more than twice the variance attributable to social class. 1 factor, suggestive of dominance in parents and submissiveness in the child, accounted for 24% of the criterion variance, compared with social class which accounted

Gordon W. Miller

1970-01-01

51

Factors Implicated in High Mathematics Achievement  

ERIC Educational Resources Information Center

The most recent Program for International Student Assessment (PISA) (2009) mathematical literacy results provide evidence that in Western English-speaking countries, including Australia, the gender gap in achievement appears to be widening in favour of males. In the study reported in this article, the aim was to explore the effects of gender,…

Forgasz, Helen J.; Hill, Janelle C.

2013-01-01

52

School achievement: risk factor in teenage pregnancies?  

PubMed

A review of live births, spontaneous fetal deaths, and induced abortions in residents of Upstate New York ages 12--17 shows that pregnancy rates increased during the period 1971 through 1974. This increase was attributable to pregnancies ending in induced abortion while live births remained relatively stable. White teenagers had a higher frequency of induced abortions than non-white teenagers, but induced abortions increased more rapidly among non-whites over the four-year period. School achievement as reflected by highest grade completed at the end of pregnancy was related to risk of pregnancy as well as to election of induced abortions. The distribution of pregnancies by age and school grade suggests that an increased risk of pregnancy is associated with below average but also, and unexpectedly, with above average grade attainment. Incongruity of age and school achievement may identify groups of teenage schoolgirls with special needs for preventive programs. PMID:686200

Hansen, H; Stroh, G; Whitaker, K

1978-08-01

53

ENVIRONMENTAL FACTORS AFFECTING BREAST CANCER SUSCEPTIBILITY  

EPA Science Inventory

Environmental Factors Affecting Breast Cancer Susceptibility Suzanne. E. Fenton US EPA, ORD, MD-67 NHEERL, Reproductive Toxicology Division, Research Triangle Park, NC 27711. Breast cancer is still the most common malignancy afflicting women in the Western world. Alt...

54

Factors affecting mother-child play  

E-print Network

FACTORS AFFECTING MOTHER-CHILD PLAY A Thesis by JENNIFER COLLEEN WELCH Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree MASTER OF SCIENCE August 1993 Major Subject...: Psychology FACTORS AFFECTING MOTHER-CHILD PLAY A Thesis by JENNIFER COLLEEN WELCH Submitted to Texas ASM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Approved as to style and content bg: T' othy A. Cavell...

Welch, Jennifer Colleen

2012-06-07

55

EFL Teachers' Factors and Students' Affect  

ERIC Educational Resources Information Center

Individual learners' affective factors are very important for foreign language learning. In China foreign language learning mainly happens in the classroom. Foreign language teachers are the organizers and carriers of language classes, and thus they inevitably influence the students' affection. This study explores how EFL teachers influence…

Qin, Lei

2007-01-01

56

Factors affecting water quality in Cherokee Reservoir  

SciTech Connect

The purpose was to: (1) define reservoir problems related to water quality conditions; (2) identify the probable causes of these problems; and (3) recommend procedures for achieving needed reservoir water quality improvements. This report presents the project findings to date and suggests steps for upgrading the quality of Cherokee Reservoir. Section II presents background information on the characteristics of the basin, the reservoir, and the beneficial uses of the reservoir. Section III identifies the impacts of existing reservoir water quality on uses of the reservoir for water supply, fishery resources, recreation, and waste assimilation. Section IV presents an assessment of cause-effect relationships. The factors affecting water quality addressed in Section IV are: (1) reservoir thermal stratification and hydrodynamics; (2) dissolved oxygen depletion; (3) eutrophication; (4) toxic substances; and (5) reservoir fisheries. Section V presents a preliminary evaluation of alternatives for improving the quality of Cherokee Reservoir. Section VI presents preliminary conclusions and recommendations for developing and implementing a reservoir water quality management plan. 7 references, 22 figures, 21 tables.

Iwanski, M.L.; Higgins, J.M.; Kim, B.R.; Young, R.C.

1980-07-01

57

FACTORS AFFECTING AURAL DETECTIONS OF SONGBIRDS  

Microsoft Academic Search

Many factors affect the number of birds detected on point count surveys of breeding songbirds. The magnitude and importance of these factors are not well understood. We used a bird song simulation system to quantify the effects of detection distance, singing rate, species differences, and observer differences on detection probabilities of birds detected by ear. We simulated 40 point counts

Mathew W. Alldredge; Theodore R. Simons; Kenneth H. Pollock

2007-01-01

58

Factors affecting persistence of Deaf college students  

Microsoft Academic Search

A study of attrition after the first year of college was conducted with the 1984 entry class of the National Technical Institute for the Deaf. A path-analytic model of 9 factors affecting student persistence was tested using LISREL (N = 233). The results indicate that social integration is an important factor in college persistence. Grade point average is not a

Michael S. Stinson; Marcia J. Scherer; Gerard G. Walter

1987-01-01

59

Factors That Affect Chinese EFL Learner's Acquisition.  

ERIC Educational Resources Information Center

This paper is concerned with factors affecting Chinese English-as-Second-Language (ESL) learner's acquisition in the Department of Foreign Languages at Tianjin Institute of Technology. These factors, which include language shock, culture differences, culture background knowledge, motivation, and ego permeability, create psychological distance…

Wang, Zhigang

60

Factors affecting outcomes young patients with diverticulitis  

Microsoft Academic Search

Introduction. Young age has been identified in the literature as a risk factor for complications and emergency surgery among patients with acute diverticulitis. Our objective was to determine whether or not factors such as (1) duration of symptoms before admission to the hospital, (2) body mass index (BMI), and (3) smoking affected their outcome. Materials and methods. After IRB approval,

L. S. Miranda; K. Lee

2004-01-01

61

Environmental Factors Affecting Preschoolers' Motor Development  

ERIC Educational Resources Information Center

The process of development occurs according to the pattern established by the genetic potential and also by the influence of environmental factors. The aim of the present study was to focus on the main environmental factors affecting motor development. The review of the literature revealed that family features, such as socioeconomic status,…

Venetsanou, Fotini; Kambas, Antonis

2010-01-01

62

Economic and Cultural Factors Affecting University Excellence  

ERIC Educational Resources Information Center

Purpose: The ranking of top universities in the world has generated increased interest in the factors that enhance university performance. The purpose of this paper is to identify economic and cultural factors that affect the number of top ranking universities in each country. Design/methodology/approach: This paper first identifies the number of…

Jabnoun, Naceur

2009-01-01

63

Does Recreational Computer Use Affect High School Achievement?  

ERIC Educational Resources Information Center

Historically, the relationship between student academic achievement and use of computers for fun and video gaming has been described from a multitude of perspectives, from positive, to negative, to neutral. However, recent research has indicated that computer use and video gaming may be positively associated with achievement, yet these studies…

Bowers, Alex J.; Berland, Matthew

2013-01-01

64

Positive Affect and Negative Affect as Modulators of Cognition and Motivation: The Rediscovery of Affect in Achievement Goal Theory  

ERIC Educational Resources Information Center

A central hypothesis of classical motivation theory is that affect underlies motivation and its behavioural manifestations. However, this has been largely ignored in the past 30 years because social cognitivism has been the dominant theory. As a result, studies have concentrated on social cognitive processes when analysing those factors that…

Bjornebekk, Gunnar

2008-01-01

65

A Longitudinal Analysis of Achievement Goals: From Affective Antecedents to Emotional Effects and Achievement Outcomes  

ERIC Educational Resources Information Center

Affect and emotions are frequently seen as outcomes of mastery and performance goals, but affective experiences may also predict goal adoption. In a predictive study (N = 669 first-year college students), the authors used structural equation modeling to estimate relationships from 2 initial affective experiences to mastery and performance-approach…

Daniels, Lia M.; Stupnisky, Robert H.; Pekrun, Reinhard; Haynes, Tara L.; Perry, Raymond P.; Newall, Nancy E.

2009-01-01

66

Narrowing in on Educational Resources that Do Affect Student Achievement  

ERIC Educational Resources Information Center

In an era dominated by issues of school finance adequacy, it seems particularly important to provide evidence that, despite a number of claims to the contrary, educational resources are indeed positively related to improved student achievement. One of the hypotheses of this article is that expenditures per pupil must be disaggregated into more…

Archibald, Sarah

2006-01-01

67

Variables Affecting Medical Faculty Students' Achievement: A Mersin University Sample  

PubMed Central

Background: Training provided in medical faculties is mainly composed of two phases: preclinical and clinical. Preclinical period, or the first three years, consists of theoretical classes and practical implementations to develop vocational skills. In the clinical period, students are given applied courses. Objectives: This study aimed to determine the role of demographic characteristics and medical students’ life habits on their academic achievement. Patients and Methods: For this purpose, a 20-item survey form with two sections developed by the researchers was used. Students were also asked to identify the averages of committee exams as the academic achievement indicator. Participating students (n = 287) were from Mersin University Medical Faculty during 2012-2013 session. Results: Totally, 60.3% of the students were males with an average age of 21.16 ± 1.39, and their general grade point average was 63.39 ± 9.08. Students in their second year (P = 0.000), who were females (P = 0.000), graduated from Anatolian Teachers High Schools (P = 0.002), financially well off (P = 0.026), stayed in state hostels (P = 0.032), did not smoke (P = 0.042) and regularly did sports (P = 0.016) were significantly more successful compared to others. Conclusions: Students’ socioeconomic resources and habits play roles on academic achievement. Solutions that incorporate economic support which can eliminate negative situations leading to inequality of opportunity among students would increase students' achievement. PMID:24829774

Ogenler, Oya; Selvi, Huseyin

2014-01-01

68

Environmental Factors Affecting Preschoolers’ Motor Development  

Microsoft Academic Search

The process of development occurs according to the pattern established by the genetic potential and also by the influence\\u000a of environmental factors. The aim of the present study was to focus on the main environmental factors affecting motor development.\\u000a The review of the literature revealed that family features, such as socioeconomic status, mother’s educational level, and\\u000a the existence of siblings

Fotini Venetsanou; Antonis Kambas

2010-01-01

69

Factors affecting nurses' perceptions of patient safety  

Microsoft Academic Search

Purpose – Nurses heavily influence patient care quality and safety. This paper aims to examine socioeconomic and organizational\\/system factors affecting patient safety and quality perceptions. Design\\/methodology\\/approach – A questionnaire was constructed to gather demographic, managerial support, information technology implementation and integration information. Data were collected from nurses in five Riyadh hospitals, Saudi Arabia. Registered nurses working in hospital departments participated

Ari Mwachofi; Stephen L. Walston; Badran A. Al-Omar

2011-01-01

70

Identification of Factors That Affect Software Complexity.  

ERIC Educational Resources Information Center

A survey of computer scientists was conducted to identify factors that affect software complexity. A total of 160 items were selected from the literature to include in a questionnaire sent to 425 individuals who were employees of computer-related businesses in Lawrence and Kansas City. The items were grouped into nine categories called system…

Kaiser, Javaid

71

Factors Affecting Motivation to Transfer Training.  

ERIC Educational Resources Information Center

A study of trainees (n=88) in a competency-based occupational safety and health training program found that environmental factors (opportunities to use skills, peer/supervisor support, and supervisor sanctions) were most influential on motivation to transfer training. Training attitudes may be affected by prior experiences when the use of training…

Seyler, Dian L.; Holton, Elwood F., III; Bates, Reid A.; Burnett, Michael F.; Carvalho, Manuel A.

1998-01-01

72

Critical Factors Affecting Personal Software Processes  

Microsoft Academic Search

Personal software process quality helps determine the success of software projects and organizations. Although encouraging, previous studies treated the Personal Software Process approach as a black-box tool for personal process improvement. We dig deeper into the factors affecting personal processes. It is concluded that A\\/FR (appraisal to failure ratio) and Yield (percentage of defects removed before first compile) are two

Xiaoming Zhong; Nazim H. Madhavji; Khaled El Emam

2000-01-01

73

Factors Affecting ASR Model Self-Training  

E-print Network

1 Factors Affecting ASR Model Self-Training Scott Novotney Richard Schwartz BBN Technologies CUED Model Unlabeled Audio Automatic Transcriptions Confidence Selection / Weighting Labeled Audio 1. Build of untranscribed audio data. 3. Use word confidence from ASR system to select or weight observations. 4. Train new

74

Factors Affecting the Speed of Free Writing  

ERIC Educational Resources Information Center

Factors affecting the free writing speed of 11-year-old students were investigated using the Group and Individual Assessment of Handwriting Speed. Intelligence, gender, legibility and whether the student has special educational needs or speaks English as an additional language were all found to impact on writing speed to a significant extent. In…

Ferrier, Jonathan; Horne, Joanna; Singleton, Chris

2013-01-01

75

Remote sensing of environmental factors affecting health  

NASA Astrophysics Data System (ADS)

The purpose of this paper is to present the results of research to identify, by satellite imagery, parameters of the environment affecting health on Earth. Thus, we suggest expanding the application of space technology to preventive medicine, as a new field in the peaceful uses of outer space. The scope of the study includes all parts of the environment, natural and man-made, and all kinds of protection of life: human, animal and vegetation health. The general objective is to consider and classify those factors, detectable from space, that affect or are relevant to health and may be found in the air, water, sea, soil, land, vegetation, as well as those linked to climate, industry, energy production, development works, irrigation systems, and human settlements. The special objective is the classification of environmental factors detectable from space, that are linked to communicable or chronic endemic diseases or health problems. The method of identifying the factors affecting health was the parallel study of environmental epidemiological and biological parameters. The role of environmental factors common to both human and animal populations is discussed. Conclusive findings are formulated and possible applications, both scientific and practical, in other sectors are also discussed.

Jovanovic, Petar

76

Factors affecting the cost effectiveness of antibiotics.  

PubMed

In an era of spiraling health care costs and limited resources, policy makers and health care payers are concerned about the cost effectiveness of antibiotics. The aim of this study is to draw on published economic evaluations with a view to identify and illustrate the factors affecting the cost effectiveness of antibiotic treatment of bacterial infections. The findings indicate that the cost effectiveness of antibiotics is influenced by factors relating to the characteristics and the use of antibiotics (i.e., diagnosis, comparative costs and comparative effectiveness, resistance, patient compliance with treatment, and treatment failure) and by external factors (i.e., funding source, clinical pharmacy interventions, and guideline implementation interventions). Physicians need to take into account these factors when prescribing an antibiotic and assess whether a specific antibiotic treatment adds sufficient value to justify its costs. PMID:22312550

Simoens, Steven

2011-01-01

77

Factors Affecting the Cost Effectiveness of Antibiotics  

PubMed Central

In an era of spiraling health care costs and limited resources, policy makers and health care payers are concerned about the cost effectiveness of antibiotics. The aim of this study is to draw on published economic evaluations with a view to identify and illustrate the factors affecting the cost effectiveness of antibiotic treatment of bacterial infections. The findings indicate that the cost effectiveness of antibiotics is influenced by factors relating to the characteristics and the use of antibiotics (i.e., diagnosis, comparative costs and comparative effectiveness, resistance, patient compliance with treatment, and treatment failure) and by external factors (i.e., funding source, clinical pharmacy interventions, and guideline implementation interventions). Physicians need to take into account these factors when prescribing an antibiotic and assess whether a specific antibiotic treatment adds sufficient value to justify its costs. PMID:22312550

Simoens, Steven

2011-01-01

78

Factors Affecting Intensive Care Units Nursing Workload  

PubMed Central

Background: The nursing workload has a close and strong association with the quality of services provided for the patients. Therefore, paying careful attention to the factors affecting nursing workload, especially those working in the intensive care units (ICUs), is very important. Objectives: This study aimed to determine the factors affecting nursing workload in the ICUs of the hospitals affiliated to Tehran University of Medical Sciences. Materials and Methods: This was a cross-sectional and analytical-descriptive study that has done in Iran. All nurses (n = 400) who was working in the ICUs of the hospitals affiliated to Tehran University of Medical Sciences in 2014 were selected and studied using census method. The required data were collected using a researcher–made questionnaire which its validity and reliability were confirmed through getting the opinions of experts and using composite reliability and internal consistency (? = 0.89). The collected data were analyzed through exploratory factor analysis (EFA), confirmatory factor analysis (CFA) and using SPSS 18.0 and AMOS 18.0. Results: Twenty-five factors were divided into three major categories through EFA, including structure, process, and activity. The following factors among the structure, process and activity components had the greatest importance: lack of clear responsibilities and authorities and performing unnecessary tasks (by a coefficient of 0.709), mismatch between the capacity of wards and the number of patients (by a coefficient of 0.639), and helping the students and newly employed staff (by a coefficient of 0.589). Conclusions: The nursing workload is influenced by many factors. The clear responsibilities and authorities of nurses, patients' admission according to the capacity of wards, use of the new technologies and equipment, and providing basic training for new nurses can decrease the workload of nurses.

Bahadori, Mohammadkarim; Ravangard, Ramin; Raadabadi, Mehdi; Mosavi, Seyed Masod; Gholami Fesharaki, Mohammad; Mehrabian, Fardin

2014-01-01

79

Factors affecting the determination of cerebrovascular reactivity  

PubMed Central

Background and Purpose Cerebrovascular reactivity (CVR), measures the ability of the cerebrovasculature to respond to vasoactive stimuli such as CO2. CVR is often expressed as the ratio of cerebral blood flow change to CO2 change. We examine several factors affecting this measurement: blood pressure, stimulus pattern, response analysis and subject position. Methods Step and ramp increases in CO2 were implemented in nine subjects, seated and supine. Middle cerebral artery blood flow velocity (MCAv), and mean arterial pressure (MAP) were determined breath-by-breath. Cerebrovascular conductance (MCAc) was estimated as MCAv/MAP. CVR was calculated from both the relative and absolute measures of MCAc and MCAv responses. Results MAP increased with CO2 in some subjects so that relative CVR calculated from conductance responses were less than those calculated from CVR calculated from velocity responses. CVR measured from step responses were affected by the response dynamics, and were less than those calculated from CVR measured from ramp responses. Subject position did not affect CVR. Conclusions (1) MAP increases with CO2 and acts as a confounding factor for CVR measurement; (2) CVR depends on the stimulus pattern used; (3) CVR did not differ from the sitting versus supine in these experiments; (4) CVR calculated from absolute changes of MCAv was less than that calculated from relative changes. PMID:25328852

Regan, Rosemary E; Fisher, Joseph A; Duffin, James

2014-01-01

80

Factors Affecting Auction Market Operating Costs.  

E-print Network

Factors Affecting Auction Market Operating Costs Texas Summary and Conclusions T THE TIME THE DATA for this study were collected A there were 178 livestock auctions operating in Texas; 140 were included in this analysis. They ranyed in size... from just over 5,000 animal units per year to alinost 350,000. It has been sl~own that opera- - tional efficiency, measured in terms of average cost per unit marketed, increases directly with firm size and that efficiency gains were most marked...

Wootan, Charley V.; McNeely, John G.

1966-01-01

81

Reappraising factors affecting mourning dove perch coos  

USGS Publications Warehouse

Results confirmed pairing as the primary factor influencing perch-cooing rates of wild mourning doves (Zenaida macroura). Marked unmated males cooed at substantially higher rates (6.2x) than mated males, had greater probability of cooing (2.3x) during 3-minute periods, and continued cooing longer each morning than mated males. Population density was not a major factor affecting cooing. Unmated males cooed more frequently in the presence of other cooing doves (P < 0.05) than when alone, but the number of additional doves above 1 was unimportant. Cooing rates of both mated and unmated males on areas with dissimilar dove densities were not significantly different. Within limits of standard call-count procedure, weather exerted no detectable influence on cooing.

Sayre, M.W.; Atkinson, R.D.; Baskett, T.S.; Haas, G.H.

1978-01-01

82

Cognitive and Affective Processes Related to School Achievement: Implications for Assessment.  

ERIC Educational Resources Information Center

During the last two decades of work in predicting and explaining school achievement, much research has emphasized the identification and measurement of student cognitive and affective processes which predict and also promise to help explain and facilitate school achievement. This review focuses on modifiable cognitive and affective processes, as…

Shaha, Steven H.; Wittrock, Merlin C.

83

Factors affecting aural detections of songbirds.  

PubMed

Many factors affect the number of birds detected on point count surveys of breeding songbirds. The magnitude and importance of these factors are not well understood. We used a bird song simulation system to quantify the effects of detection distance, singing rate, species differences, and observer differences on detection probabilities of birds detected by ear. We simulated 40 point counts consisting of 10 birds per count for five primary species (Black-and-white Warbler Mniotilta varia, Black-throated Blue Warbler Dendroica caerulescens, Black-throated Green Warbler Dendroica virens, Hooded Warbler Wilsonia citrina, and Ovenbird Seiurus aurocapillus) over a range of 15 distances (34-143 m). Songs were played at low (two songs per count) and high (13-21 songs per count) singing rates. Detection probabilities averaged across observers ranged from 0.60 (Black-and-white Warbler) to 0.83 (Hooded Warbler) at the high singing rate and 0.41 (Black-and-white Warbler) to 0.67 (Hooded Warbler) at the low singing rate. Logistic regression analyses indicated that species, singing rate, distance, and observer were all significant factors affecting detection probabilities. Singing rate x species and singing rate X distance interactions were also significant. Simulations of expected counts, based on the best logistic model, indicated that observers detected between 19% (for the worst observer, lowest singing rate, and least detectable species) and 65% (for the best observer, highest singing rate, and most detectable species) of the true population. Detection probabilities on actual point count surveys are likely to vary even more because many sources of variability were controlled in our experiments. These findings strongly support the importance of adjusting measures of avian diversity or abundance from auditory point counts with direct estimates of detection probability. PMID:17494409

Alldredge, Mathew W; Simons, Theodore R; Pollock, Kenneth H

2007-04-01

84

Factors affecting contraceptive use in Pakistan.  

PubMed

This study postulates that contraceptive use in Pakistan is affected by the usual demographic factors as well as husband-wife communication, female autonomy, son preference, religious beliefs, and family planning service supply. Analysis is based on data obtained from the Pakistan Demographic and Health Survey of 1990-91. Findings indicate that 74% of women never talked in the past year with their husbands about family planning. Almost 60% believed that family size was "up to God." About 47% knew where to obtain contraception; only 20.4% had easy access to a source of supplies. Current use was 14% and ever use was 22.4%. Analysis is based on three basic models. Model 1 includes the control variables and son preference. Model 2 includes husband-wife communication, religious attitudes, and female autonomy. Model 3 includes the addition of family planning to model 2 variables. Urban residence increases the odds of contraceptive use considerably only in Model 1. The influence of urban residence in the other models is reduced. Husband's education is significant only in Models 1 and 2 and insignificant in Model 3 when the family planning variable is included. Increased women's age is also insignificant in Model 3. Of the supply factors in Model 3, knowledge of a source and easy access to a source were highly significant, while mass media exposure was not important. Knowledge of a source was the most important predictor. Model 3 explained 90% of use. Among urban women, lack of husband-wife communication and fatalistic beliefs reduce the log-odds of contraceptive use. For rural women, age and women's secondary education were key predictors. Findings confirm that demographic and socio-cultural factors affect contraceptive use in Pakistan. All the theorized variables exerted a strong influence on contraceptive use, which can be counteracted by improved supply and service strategies. PMID:12292564

Mahmood, N; Ringheim, K

1996-01-01

85

Assisted suicide: factors affecting public attitudes.  

PubMed

Public support for assisted suicide has been growing despite the ethical questions raised by members of the medical profession. Previous research suggests that age, gender, experience, and religiosity are factors affecting individuals' attitudes. This study examines the effect of demographic and ideological factors, as well as individuals' caregiving experiences, on attitudes toward assisted suicide. Random-digit-dialing procedures produced a sample of 156 residents of Denton, Texas, in March 1998. T-tests were conducted to measure significance, while gamma values were used to measure level of association and percent reduction in error. The data indicate that age, gender, and caregiving experience were not significant predictors of attitudes. Situational factors, including whether a physician or friend/family member should assist and whether a child or a terminally ill patient experiencing no pain should receive assistance, all were highly significant and positively associated with attitudes toward assisted suicide. Respondents were most likely to support physician-assisted suicide for individuals experiencing no pain. The data also indicated that the depth of commitment to the beliefs that suffering has meaning, that life belongs to God, and that physician-assisted suicide is murder, were highly significant and negatively associated with attitudes toward assisted suicide. PMID:12557886

Worthen, L T; Yeatts, D E

86

Factors that contribute to the creative achievement of women  

Microsoft Academic Search

The purpose of this investigation was to identify the factors that contribute to the creative achievement of 25 women. Each woman had a distinguished record of volunteerism on Staten Island. These women introduced new programs or institutions to underserved groups in the community.^ Most of the women found their mother's influence to be paramount in their early development. Family support

Annette Conticello Tuzzo

2007-01-01

87

Factors Influencing Primary Students' Learning Achievement in Bangladesh  

ERIC Educational Resources Information Center

Using "Education Watch" database of 2008, this article explores the factors associated with learning achievement of primary school students in Bangladesh. The sample consists of 7,093 fifth graders (final year of compulsory primary education) from 440 primary schools. Based on nationally adopted competencies for primary education, a group of…

Nath, Samir Ranjan

2012-01-01

88

Factors Affecting Informal Economy of Rural Turkey  

NASA Astrophysics Data System (ADS)

In this study, the informal economy in the rural areas of Turkey has been measured and factors affecting the informal economy have been analyzed. The informal economy has been discussed with regards to three main issues, namely unpaid household labor force usage, own consumption of crop and animal products and informal sales. Although the household labor force is mainly used in farms for agricultural and off-farm activities, the rate of idle labor has been found to be highly significant. It has been found that milk has the largest share of animal produce values consumed by the household, while particularly processed milk products are sold informally and that the consumption and sales values of animal produce processed in the households are required to be added to the unrecorded value calculation. Consumption of crops varies depending on the type of product. The own consumption ratio of crops is affected by the size of the enterprise, the number of individuals in the households and particularly the access to the markets of the enterprises in each region. An average informal value of 6,400.04 USD has been calculated per household, which is higher than the farm income, accounting for 4/5 of total household income. This can be attributed to the fact that the farms are generally small family enterprises with limited market-access opportunities.

Gonenc, Sertac; Tanrivermis, Harun

89

Which Factors Affect Software Projects Maintenance Cost More?  

PubMed Central

Introduction The software industry has had significant progress in recent years. The entire life of software includes two phases: production and maintenance. Software maintenance cost is increasingly growing and estimates showed that about 90% of software life cost is related to its maintenance phase. Extraction and considering the factors affecting the software maintenance cost help to estimate the cost and reduce it by controlling the factors. Methods In this study, the factors affecting software maintenance cost were determined then were ranked based on their priority and after that effective ways to reduce the maintenance costs were presented. This paper is a research study. 15 software related to health care centers information systems in Isfahan University of Medical Sciences and hospitals function were studied in the years 2010 to 2011. Results and discussion Among Medical software maintenance team members, 40 were selected as sample. After interviews with experts in this field, factors affecting maintenance cost were determined. In order to prioritize the factors derived by AHP, at first, measurement criteria (factors found) were appointed by members of the maintenance team and eventually were prioritized with the help of EC software. Based on the results of this study, 32 factors were obtained which were classified in six groups. “Project” was ranked the most effective feature in maintenance cost with the highest priority. By taking into account some major elements like careful feasibility of IT projects, full documentation and accompany the designers in the maintenance phase good results can be achieved to reduce maintenance costs and increase longevity of the software. PMID:23572866

Dehaghani, Sayed Mehdi Hejazi; Hajrahimi, Nafiseh

2013-01-01

90

[The psychological factors affecting athletic performance].  

PubMed

The physical and mental health complex is claimed as achievement of the XXI. century, whereby also among the sportsmen and sportswomen, beside the somatic medicine, growing attention is devoted to the psyche as well. The sports psychiatry was dragged in and put into service to enhance performance after all biological weapons run out of ammunition, and the long-awaited results still failed to come about. Moreover, despite the energy increasingly invested it was going from bad to worse. Among athletes many psychiatric disorders call attention, either by the high prevalence or by the development of a specific syndrome. Symptoms of depression (depression after the competition, depression following the failure at the competition), chronic stress, anxiety, fatigue syndrome of overtraining, enervation, sleep disturbances, eating problems, burnout, eating disorders (anorexia athletics, athlete triad), personality factors and the chemical addiction are all extremely important. The present study is the first to summarize the most crucial psychiatric disorders that may have great significance in the athlete population, in varying degrees according to the individual sports. PMID:20442052

Resch, Mária

2010-05-16

91

Socially oriented achievement goals of Chinese university students in Singapore: structure and relationships with achievement motives, goals and affective outcomes.  

PubMed

Contemporary literature on culture, self, and motivations (Markus & Kitayama, 1991) suggests that in collectivistic cultures, individual achievement is interdependent of one's social others. We proposed that this cultural characteristic could be exemplified in the achievement goal orientation and tested the notion with university students in a collectivistic community-Singapore. A socially oriented achievement goal construct was developed by taking into consideration the significant social others in the students' lives. A measuring instrument was established with a sample of Singaporean Chinese university students (N = 196; 144 females and 52 males); its relationships to achievement motives, goals, and consequences were examined. Although the socially oriented achievement goal items were originally constructed from four categories of social others, confirmatory factor analysis suggested a unifactor structure. Results showed that the socially oriented goal was related positively with students' performance goal, mastery goal, and competitive motive; it bore no relationship to mastery motive, work ethic, and interest in learning; and it predicted negatively future engagement. After the effects of mastery and performance goals were controlled for, the socially oriented goal did not predict test anxiety. PMID:22022792

Chang, Weining C; Wong, Kaishi

2008-10-01

92

Factors Affecting Growers' Willingness to Adopt Sustainable Floriculture  

Microsoft Academic Search

In June to Oct. 2008, a U.S. floriculture survey was conducted to examine the factors affecting growers' willingness to adopt sustainable practices. The factors affecting adoption of sustainable practices were evaluated in five areas: environmental regulations, customer value, growers' attitudes toward sustainability, age, and operation size. A logistic regression model was used to examine factors affecting growers' adoption of sustainable

Jennifer H. Dennis; Roberto G. Lopez; Maria I. Marshall

93

Dissertationes Forestales 130 Factors affecting perceptions of corporate social  

E-print Network

Dissertationes Forestales 130 Factors affecting perceptions of corporate social responsibility: Factors affecting perceptions of corporate social responsibility implementation: an emphasis on values://www.metla.fi/dissertationes #12;3 Wang, L. 2011. Factors Affecting Perceptions of Corporate Social Responsibility Implementation

94

The Role of Temperament in Children's Affective and Behavioral Responses in Achievement Situations  

ERIC Educational Resources Information Center

Although students' affects and behaviors in achievement situations have been shown to be influenced by their previous learning experiences, less is known about how they relate to students' dispositional characteristics, such as temperament. This study examined to what extent children's temperament is related to their affective and behavioral…

Hirvonen, Riikka; Aunola, Kaisa; Alatupa, Saija; Viljaranta, Jaana; Nurmi, Jari-Erik

2013-01-01

95

Factors Affecting Arctic Weather and Climate  

NSDL National Science Digital Library

The factors discussed in this section are building blocks to understanding arctic weather and climate. Each factor plays an important role alone and in interaction with other factors. The "Arctic Energy Budget" ties all the factors together in a description of the Arctic as a climate system. The different factors are given detailed explanations and examples, and include topics like latitude, land/see distributions, solar radiation, air temperature, Air pressure, winds, humidity, clouds, precipitations, and Arctic energy budgets.

2000-01-01

96

Predictive factors affecting cecal intubation failure in colonoscopy trainees  

PubMed Central

Background Successful cecal intubation (SCI) is not only a quality indicator but also an important marker in a colonoscopy trainee’s progress. We conducted this study to determine factors predicting SCI in colonoscopy trainees, and to compare these factors before and after trainees achieve technical competence. Methods Design of this study was a cross-sectional studies of two time series design for one year at a single center. From March 2011 to February 2012, a total 2,050 subjects who underwent colonoscopy by four first-year gastrointestinal fellows were enrolled at Christian hospital, Wonju, Republic of Korea. Four gastrointestinal fellows have filled out the colonoscopic documentation. Main outcome measurement was predictive factors affecting cecal intubation failure and learning curves. Results Colonoscopy was successfully completed to the cecum in 1,720 patients (83.9%). Success rates gradually increased as trainees performed more colonoscopies: the rate of SCI was 62% in the first 50 cases, and grew to 93% by the 250th case. Logistic regression analysis of factors affecting cecal intubation failure showed that female gender, low BMI (BMI < 18.5?kg/m2), poor bowel preparation, and past history of stomach surgery were more often associated with cecal intubation failure, particularly before the trainees achieved technical competence. Conclusion Several patient characteristics were identified that may predict difficulty of cecal intubation in colonoscopy trainees. Particularly, low BMI, inadequate bowel cleansing, and previous stomach operation were predictors of cecal intubation failure before the trainees have reached technical competency. The results could be informative so that trainees enhance the success rate regarding better colonoscopy training programs. PMID:23331720

2013-01-01

97

Factors Affecting Transfer of Training in Thailand  

ERIC Educational Resources Information Center

To begin the validation process for the Learning Transfer System Inventory (LTSI) in Thailand, research replicating Holton, Bates, and Ruona's study (2000) was conducted in Thailand. The LTSI was administered to 1,029 employees. Exploratory factor analysis and MANOVA were used to identify factors. A factor structure almost identical to that of…

Yamnill, Siriporn; McLean, Gary N.

2005-01-01

98

An Activity on Factors Affecting Blood Flow  

NSDL National Science Digital Library

This lesson is designed to explore the relationship between pressure and vessel diameter and to create a model that represents how high blood pressure may affect weakened vessels. A collaborative work of Melvin Flores, Larie Laudato and Glenn Soltes

Soltes, Glenn

2012-06-28

99

Factors Affecting Retention in Online Courses  

ERIC Educational Resources Information Center

The purpose of this study was to expand what is known regarding the factors that relate to successful completion of online, undergraduate college courses. It addressed 13 student factors available through archival data at Northern Kentucky University based on 1,493 students enrolled in fully online courses in fall 2008. It included programmatic…

Berling, Victoria L.

2010-01-01

100

Modelling global risk factors affecting construction cost performance  

Microsoft Academic Search

This paper discusses the core issues of global risk factors modelling, assessment and management. The research reported upon forms part of a larger study that aims to develop a fuzzy decision framework for contractors to handle global risk factors affecting construction cost performance at a project level. Major global risk factors affecting cost performance were identified through an extensive literature

Daniel Baloi; Andrew D. F. Price

2003-01-01

101

Situational factors affecting Preschoolers' responses to advertising  

Microsoft Academic Search

The effectiveness of advertising directed at preschool children was investigated. An experimental design, crossing program\\u000a type, social condition of viewing, and frequency of exposure to commercials was utilized. Results indicate the possibility\\u000a that young children's preferences are only affected under special circumstances.

T. K. Clarke

1984-01-01

102

INTRODUCTION Understanding factors that affect roost selection  

E-print Network

in the study of biology, ecology and conservation of bats. Roosting habits influence local and global). The thermo-physical characteristics of roosts also affect bat physiology (Altringham, 1996; Kerth et al., 2001). Almost two-thirds of the European bat species use tree cavities to roost in during part

Richner, Heinz

103

Factors Affecting the Power of Patent Rights  

Microsoft Academic Search

In this paper, we identify three policy instruments governments have at their disposal to affect the power of patent rights to prevent imitation: the size of the inventive step used to make the patent granting decision, the rigour of the patent examination process and the predisposition of the courts to affirm the patent office’s decision. We develop a simple framework

Paul H. Jensen; Elizabeth Webster

2004-01-01

104

Perfectionism, Achievement, and Affect in Children: A Comparison of Students from Gifted, Arts, and Regular Programs  

ERIC Educational Resources Information Center

The current study examined the association between dimensions of perfectionism and levels of academic achievement and affect in school-aged children. A sample of 223 students (90 boys, 133 girls) from regular, gifted, and arts programs completed measures of self-oriented and socially prescribed perfectionism, perceived academic competence, and…

Stornelli, Deborah; Flett, Gordon L.; Hewitt, Paul L.

2009-01-01

105

Learning science in a cooperative setting: Academic achievement and affective outcomes  

Microsoft Academic Search

A learning unit in earth science was taught to high school students, using a jigsaw-group mastery learning approach. The sample consisted of 73 students in the experimental group and 47 students who learned the topic in an individualized mastery learning approach. The study lasted 5 weeks. Pretests and posttests on academic achievement and affective outcomes were administered. Data were treated

Reuven Lazarowitz; Rachel Hertz-Lazarowitz; J. Hugh Baird

1994-01-01

106

Factors Affecting Hotel Industry Development in Portugal  

Microsoft Academic Search

It is essential to adapt and improve tourism supply in order to respond to new tourist demand dynamics. An empirical research was carried out to find out the factors which, in the view of Portuguese hoteliers, were of importance to the development and progress of the activity. Hotel managers and owners' attitudes related to different aspects such as: the role

Minoo Farhangmehr; Cláudia Simões

1999-01-01

107

Evaluation of fixed factors affecting hoof health  

Microsoft Academic Search

Hoof trimming data were collected from the University of Illinois dairy farm. Normality transformed scores for six traits (corkscrew claw (CC), heel erosion (HE), interdigital dermatitis (ID), laminitis (LA), sole ulcers (SU) and white line separation (WLS)) were tested for fixed factors (breed, year, season, age, trimming interval and months postpartum) by an animal model. Ayrshires and Jerseys had ‘better’

Y. C. Huang; R. D. Shanks; G. C. McCoy

1995-01-01

108

Human element factors affecting reliability and safety  

Microsoft Academic Search

Many system reliability prediction methods are based solely on equipment failures, neglecting the human component of man-machine systems (MMS). These methods do not consider the identification of the root causes of human errors. The reliability and safety of industrial and commercial power systems and processes (i.e., MMS) are dependent upon human characteristics and many dependent and dynamic interactive factors. The

Don O. Koval; H. Landis Floyd

1998-01-01

109

Human element factors affecting reliability and safety  

Microsoft Academic Search

Many system reliability predictive methods are based solely on equipment failures neglecting the human component of man-machine systems. These methods do not consider the identification of the root causes of human errors. The reliability and safety of industrial and commercial power systems and processes are dependent upon human characteristics and many dependent and dynamic interactive factors. The consequences of human

D. O. Koval

1997-01-01

110

Factors Affecting Student Choices of Instructional Methodologies.  

ERIC Educational Resources Information Center

To identify factors that caused the majority of students at Los Angeles City College to prefer the traditional lecture-discussion approach to the media approach, questionnaires were administered to students in three courses--three media and two traditional. Over 200 usable questionnaires were returned. Because of scheduling variations and other…

Gold, Ben K.

111

Factors affecting Chinese enterprises' hedging decision making  

Microsoft Academic Search

Purpose – The purpose of this paper is to find factors that explain why some enterprises hedge but others do not. The authors' analysis relies on Heckman model (a probit and Tobit model) with the data obtained from questionnaires collected from Chinese enterprises. Given the fact that only a small portion of Chinese agribusinesses hedge, this paper provides some initial

Shi Zheng; Pei Xu; Zhigang Wang

2011-01-01

112

Factors Affecting Students' Medicine-Taking Habits  

ERIC Educational Resources Information Center

This study examines college students' beliefs about health, prescriptions, doctors, and the influence those beliefs have on adherence to prescribed medication regimens. After a brief review of attitudinal factors that influence adherence to prescription medicine directions, the authors discuss measurement issues and explain the reasons for their…

Labig, Chalmer E., Jr.; Zantow, Kenneth; Peterson, Tim O.

2005-01-01

113

Safe Science Facilities: Reviewing Factors that Affect Classroom Environment, Curriculum, and Safety  

ERIC Educational Resources Information Center

Science teachers often have two different curricula--the ideal framework on paper and the real, day-to-day instructional program that occurs in the classroom. A number of factors can affect how much of that ideal framework is accomplished. For example, how a facility is designed and how space is used can affect student achievement, classroom…

Texley, Juliana

2005-01-01

114

CHAPTER XVIII ENVffiONMENTAL FACTORS AFFECTING OYSTER POPULATIONS  

E-print Network

CHAPTER XVIII ENVffiONMENTAL FACTORS AFFECTING OYSTER POPULATIONS Paae PosItive factors worms________________________ __ 421 Oyster crab_____________________ _ 426 Bplrochaetes, and miscellaneous objects. These aggregations of live oysters and empty shells are called oyster bottoms, oyster

115

Factors that Affect the Lung Deposition  

NASA Astrophysics Data System (ADS)

The lung is an external organ forming the site of unwanted material or particles. In order to protect it, the airways have to be highly effective filters and if the particle deposit they need to be cleared. Inhaled particles can cause a variety of diseases. There are various factors on which the prediction of depositing particles depends, such as age, particle size, flow rate gender, the physics of the particles, the anatomy of the respiratory tract etc.

Sankhala, Shweta; Singh, H. S.; Singh, S. K.; Lalwani, Gautam

116

FACTORS AFFECTING E-COMMERCE TEXTBOOK PURCHASES  

Microsoft Academic Search

With the advent of e-commerce, opportunities have arisen for students to obtain course textbooks from sources other than the traditional campus bookstore(s). This research seeks to understand the factors motivating students to select e-commerce or traditional vendors for their textbook purchases. It surveys student perceptions of e-commerce textbook purchases from the perspectives of product perception, shopping experience, customer service, and

Harry Reif; Thomas W. Dillon

117

Affect and achievement goals in physical activity: a meta-analysis.  

PubMed

Achievement goal orientation theory has been the subject of extensive research in recent years. In view of the importance of identifying the motivational antecedents of affect in physical activity, this study examined through meta-analysis the conflicting evidence regarding the links between different achievement goals and emotions. Using the formulas of Hunter and Schmidt (1), correlations were gathered from 41 independent samples and were corrected for both sampling and measurement errors. The results showed that task orientation and positive affect were moderately-to-highly correlated and in a positive fashion, whereas the relationship between task orientation and negative affect was negative and moderate to small. Both correlations were found to be heterogeneous, and so moderators were sought. The relationships between ego orientation and positive and negative affect were positive but very small, with the former being heterogeneous. Moderators coded were the time frame of affect (independent of context vs. after an athletic event), the physical activity setting (school physical education vs. recreation vs. competitive sport), age (university vs. school students), nationality (British vs. American), nature of negative affect (high vs. low arousal), and the publication status of the studies (published vs. unpublished). Lastly, a subset of the corrected correlations were inserted into a structural equation modelling analysis in order to look concurrently at the relationships among all the variables. PMID:10606097

Ntoumanis, N; Biddle, S J

1999-12-01

118

Factors Affecting Industrial Cogeneration of Electricity.  

NASA Astrophysics Data System (ADS)

This research addresses the need to understand the conditions under which industrial firms will generate their own electricity. Utility companies need this information to plan their future expansion. Equipment manufacturers need this information to plan their production and industrial firms need it to help make decisions. The specific purpose of this research was to determine which factors are good determinates of industrial cogeneration. This research used a two-pronged triangulation approach. The first approach was a statistical analysis of levels of cogeneration and selected production variables for industrial firms. The second approach was a survey of industrial firms, energy consultants and utility personnel. The statistical analysis found most of the variance in on-site cogeneration is explained using variables that directly impact the economics of cogeneration. These variables included the cost of energy sources, steam usage, and the use of other fuels. The survey confirmed these results and added the cost of the cogeneration equipment as an another important factor in explaining on-site cogeneration.

Richardson, Ronny Lee

119

Fatherhood across Two Generations: Factors Affecting Early Family Roles  

ERIC Educational Resources Information Center

This article examines the determinants of men's early parental roles, distinguishing factors that affect being a father versus being childless, and factors that affect being a resident versus a nonresident father, in the context of having a partner or not. We also consider whether these patterns have changed between 1985 and 2004. The data come…

Goldscheider, Frances; Hofferth, Sandra; Spearin, Carrie; Curtin, Sally

2009-01-01

120

Factors affecting the MTW zeolite cristallization process  

SciTech Connect

The synthesis mechanism of the high silica zeolite types other than MFI is rarely studied in the open literature. This work is devoted to the role of different parameters governing the zeolite MTW crystallization process. The influence of the most important factors: the nature of the silica and alumina source, the type of the organic cation, the alkalinity of the reaction mixture and the crystallization temperature, was studied. The molar composition of the initial hydrogel was varied in other to determine the crystallization field of the zeolite MTW. The observed morphology and particle size of the crystallites are related to the corresponding reaction conditions. The competitive formation of the other zeolite types (prevalently MFI and BEA) is discussed.

Katovic, A.; Giordano, G. [Universita della Calabria, Rende (Italy)

1995-12-01

121

Reliability, Validity, and Factor Structure of the Creative Achievement Questionnaire  

Microsoft Academic Search

The Creative Achievement Questionnaire (CAQ) is a new self-report measure of creative achievement that assesses achievement across 10 do- mains of creativity. It was designed to be objective, em- pirically valid, and easy to administer and score. Study 1 established test-retest reliability (r = .81, p < .0001) and internal consistency reliability (? = .96) in a sam- ple of

Shelley Carson; Jordan Peterson; Daniel Higgins

2005-01-01

122

Factors affecting chromatin stability of bovine spermatozoa.  

PubMed

The structural stability of transcriptionally inert paternal chromatin is of vital importance for the fertilization process and early embryonic development. Accordingly, a series of eight experiments were conducted during a 7-month period to investigate: (1) effects of bull breed, individuality, successive ejaculations, semen quality characteristics (SQC), semen dilution rates and hypothermic storage of semen in a Tris-egg yolk extender on incidence of sperm nuclear chromatin instability (NCI), and (2) effects of the interaction between variation of NCI within a frozen ejaculate and variation of oocytes quality due to maturation time and/or season on the efficiency of in vitro embryo production (IVEP). Semen samples were collected once a week from six bulls using an AV and only ejaculates (n=220) of >0.30x10(9) sperm/ml and >or=60% motility were used. NCI was measured by: (1) detection of lysine-rich histones in sperm chromatin using aniline blue staining, (2) sperm susceptibility to acid-induced nuclear DNA denaturation in situ using acridine orange test, and (3) sperm susceptibility to nuclear chromatin decondensation (NCD). Bovine oocytes (n=695) were matured in vitro for 18 or 24 h, fertilized after sperm selection through a swim-up procedure and cultured for 72 h. The results showed that the 2nd ejaculates were superior to the 1st ones with respect to chromatin stability. Dilution of semen to 49.67+/-8.56x10(6) sperm/ml (1:19) decreased resistance of sperm to NCD. Cooling of semen had no significant effect on chromatin stability. Cryopreservation of semen augmented sperm vulnerability to DNA denaturation. Improvement of SQC (semen volume, sperm motility, velocity, viability and morphological normalcy) was generally concomitant with increase of sperm resistance to NCI. While Blonde d'Aquitaine bulls had a resistance to NCD higher than Limousine bulls in fresh semen, the former showed a greater susceptibility to DNA denaturation than the latter in cooled semen. Individuality significantly influenced NCI. The variability of NCI within a frozen ejaculate affected efficiency of IVEP. Significant negative correlations were observed between incidence of NCI and both fertilization rate and developmental capacity of embryos after maturation of oocytes for 18 h. The significant variation in IVEP traits due to season was independent of the effect of sperm chromatin instability. PMID:17398042

Khalifa, T A A; Rekkas, C A; Lymberopoulos, A G; Sioga, A; Dimitriadis, I; Papanikolaou, Th

2008-03-01

123

Socially oriented achievement goals of Chinese university students in Singapore: Structure and relationships with achievement motives, goals and affective outcomes  

Microsoft Academic Search

Contemporary literature on culture, self, and motivations (Markus & Kitayama, 1991) suggests that in collectivistic cultures, individual achievement is interdependent of one's social others. We proposed that this cultural characteristic could be exemplified in the achievement goal orientation and tested the notion with university students in a collectivistic community—Singapore. A socially oriented achievement goal construct was developed by taking into

Weining C. Chang; Kaishi Wong

2008-01-01

124

Renovascular hypertension: factors affecting the outcome following surgical revascularisation.  

PubMed

This study was conducted at the Aga Khan University Hospital, Karachi, Pakistan to evaluate factors that affect outcome following revascularisation in patients with renovascular hypertension. We included all the patients diagnosed to have renovascular hypertension, confirmed by renal angiography, between July 1997 and September 2000. Of the total 15 patients, nine were males and six were females. Eleven patients received venous grafts, three received polytetraflouroethyline (PTFE) grafts while one patient underwent angioplasty and stenting. All were followed-up for a period of nine months (median) with the range from 2 to 84 months. A total of 33.3% of the study patients were completely cured, as they became normotensive without anti-hypertensive therapy after operation, while 27% showed marked improvement in blood pressure control post-operatively. Thus, extended cure or improvement of renovascular hypertension was achieved in 60% of patients. Normal pre-operative serum creatinine level, high pre-operative unstimulated peripheral renin levels and renal vein renin ratio of at least 1.75:1 were the most significant predictive factors for favorable outcome (p < 0.012). The pre-operative severity and duration of hypertension as well as degree of disparity in kidney sizes did not predict the post-operative improvement in renal function and blood pressure control. PMID:17657118

Rabbani, Malik Anas; Zaidi, Alia; Ali, Syed Sohail; Anas, Bushra; Younus, Asmooni; Shah, Syed Mansoor Ahmad

2003-01-01

125

The mediating role of coping strategies on the relationship between achievement motivation and affect in sport  

Microsoft Academic Search

This study examined in a sport context theoretical arguments advanced by Folkman (1984) and Lazarus (1991, 1993) regarding the relationships between motivational factors, different types of coping, affective outcomes, and situational perceptions of control. Three hundred and fifty-six athletes from British universities with an established sport record were requested to recall an important recent competition when they had a sport-related

Nikos Ntoumanis; Stuart J. H. Biddle; Geoffrey Haddock

1999-01-01

126

Synchronous vs. Asynchronous Tutorials: Factors Affecting Students' Preferences and Choices  

ERIC Educational Resources Information Center

This study aimed to determine the factors that affect students' preferences regarding tutorial modes. A learning-habit inclinations questionnaire (LHIQ) was constructed and administered to 288 students. Factor analysis revealed four factors: "time management," "ease of access" to learning materials, "positive aspects of interaction," and "negative…

Beyth-Marom, Ruth; Saporta, Kelly; Caspi, Avner

2005-01-01

127

40 CFR 63.55 - Maximum achievable control technology (MACT) determinations for affected sources subject to case...  

Code of Federal Regulations, 2010 CFR

... false Maximum achievable control technology (MACT) determinations for affected...CATEGORIES Requirements for Control Technology Determinations for Major Sources in...63.55 Maximum achievable control technology (MACT) determinations for...

2010-07-01

128

40 CFR 63.55 - Maximum achievable control technology (MACT) determinations for affected sources subject to case...  

... false Maximum achievable control technology (MACT) determinations for affected...CATEGORIES Requirements for Control Technology Determinations for Major Sources in...63.55 Maximum achievable control technology (MACT) determinations for...

2014-07-01

129

40 CFR 63.55 - Maximum achievable control technology (MACT) determinations for affected sources subject to case...  

Code of Federal Regulations, 2011 CFR

... false Maximum achievable control technology (MACT) determinations for affected...CATEGORIES Requirements for Control Technology Determinations for Major Sources in...63.55 Maximum achievable control technology (MACT) determinations for...

2011-07-01

130

40 CFR 63.55 - Maximum achievable control technology (MACT) determinations for affected sources subject to case...  

Code of Federal Regulations, 2013 CFR

... false Maximum achievable control technology (MACT) determinations for affected...CATEGORIES Requirements for Control Technology Determinations for Major Sources in...63.55 Maximum achievable control technology (MACT) determinations for...

2013-07-01

131

40 CFR 63.55 - Maximum achievable control technology (MACT) determinations for affected sources subject to case...  

Code of Federal Regulations, 2012 CFR

... false Maximum achievable control technology (MACT) determinations for affected...CATEGORIES Requirements for Control Technology Determinations for Major Sources in...63.55 Maximum achievable control technology (MACT) determinations for...

2012-07-01

132

Analysis of Factors Affecting Positron Emission Mammography (PEM) Image Formation.  

National Technical Information Service (NTIS)

Image reconstruction for positron emission mammography (PEM) with the breast positioned between two parallel, planar detectors is usually performed by backprojection to image planes. Three important factors affecting PEM image reconstruction by backprojec...

M. F. Smith, S. Majewski, A. G. Weisenberger, D. A. Kieper, R. R. Raylman

2001-01-01

133

REVIEW PAPER Factors and processes affecting plant biodiversity  

E-print Network

productivity, disturbances induced by farming practices, and landscape heteroge- neity on plant diversity. Last biodiversity. Farming practices . Landscape pattern . Plant community. Plant functional traits . Seed bankREVIEW PAPER Factors and processes affecting plant biodiversity in permanent grasslands. A review

Boyer, Edmond

134

The Achievement Gap: Factors That Influenced the Achievement of Successful Black Students  

ERIC Educational Resources Information Center

The academic underperformance of Black students when compared to their White peers has confounded educators nationwide. This discrepancy in academic performance commonly referred to as the achievement gap has become a national crisis which has led to one of the most significant educational reforms undertaken in the United States of America in the…

Morton, Kwame R., Sr.

2011-01-01

135

Factors affecting sleep disturbances in children and adolescents  

Microsoft Academic Search

Objective: To determine factors affecting sleep disturbances in children.Background: Factors affecting sleep disturbances have been studied extensively in adults, but relatively few studies have been done in children.Methods: As part of the twelfth survey of the Tucson Epidemiologic Study of Obstructive Airways Disease (TESOAD, 1991–1992), children, ages 3–14, of adult cohort members were administered a health questionnaire which contained items

Sharon L Camhi; Wayne J Morgan; Natalie Pernisco; Stuart F Quan

2000-01-01

136

Factors contributing to the academic achievement of Hispanic limited English proficient high school students  

Microsoft Academic Search

The purpose of this investigation was to study school and individual factors that high school students perceived as important to their academic achievement, and a possible relation between this perceived importance and their academic achievement. The school factors selected were school climate, classroom environment, and language of instruction. The individual factors were achievement motivation and social goals. ^ The participants

Ana Maria Mistral

1998-01-01

137

Research in Homework as the Motivating Factor in Reading Achievement  

Microsoft Academic Search

Using approximately 400 fourth, fifth and sixth grade students with varying socio-economic background, this study was designed to investigate individualized enrichment homework upon the academic achievement of these children as it relates to total reading development.

Jane M. Singh

1970-01-01

138

Factors affecting evaluation of e-business projects  

Microsoft Academic Search

The 2003 survey among Slovenian companies was studying the factors affecting the formal evaluation of e-business projects. The corresponding causal model revealed that the perceptions and the attitudes towards e-business strongly affect the corresponding evaluation practice. In particular, the recognition of the needs for corresponding evaluation had the strongest effect. On the other hand, the high occurrence of problem related

Dusan Lesjak; Vasja Vehovar

2005-01-01

139

Factors affecting plant absorption, transport and fate of plutonium  

Microsoft Academic Search

This study determined the extent to which several agricultural plants control plutonium (Pu) uptake and provides a general understanding of the fate and behavior of Pu in plants after absorption. Investigations were directed toward variables affecting the accumulation of Pu by plants from soils, transport of Pu within the plant, factors affecting transport with plant age, effects of different plant

T. R. Garland; D. A. Cataldo; K. M. McFadden; R. E. Wildung

1984-01-01

140

Factors in Validating Affective Scales: An Applied Study  

Microsoft Academic Search

In spite of claims to the contrary, affective factors related to teaching and learning can be measured. Recent development of affective scales in reading attest to this, yet caution must be observed that as new-scales are developed, they are adequately validated so that the research emanating from their use can be regarded with a high degree of credibility. In that

Joseph Vaughan; Darrell Sabers

1977-01-01

141

Confirmatory factor analysis of achieving the beginning teacher standards inventory  

Microsoft Academic Search

The purpose of this study was to examine the factorial validity and reliability of the Achieving the NASPE Standards Inventory (ANSI) that assesses pre-service physical education teachers' perceptions of achieving the National Association for Sport and Physical Education (NASPE) beginning teacher standards (2003). Four hundred fifty-two pre-service teachers from 15 Physical Education Teacher Education (PETE) programs voluntarily and anonymously completed

Weiyun Chen

2009-01-01

142

Analysis of factors affecting color distribution of white LEDs  

Microsoft Academic Search

The color uniformity is a critical index in the evaluation of high quality white light emitting diodes (LEDs). The main factor affecting the color distribution is the state of the phosphor. The secondary factor is the optical structure. This paper analyzes two parameters of the phosphor layer (thickness and concentration) and six optical structures. Results indicate that the structures with

Zongyuan Liu; Sheng Liu; Kai Wang; Xiaobing Luo

2008-01-01

143

FACTORS AFFECTING TRACE METAL MOBILITY IN SUBSURFACE SOILS  

EPA Science Inventory

Field and laboratory studies were conducted to examine factors affecting metal movement in subsurface materials to groundwater and how these factors interact. Subsoil pH as with surface soils was found to be the property that most influenced metal immobilization. The inclusion of...

144

Age as an Affective Factor in Second Language Acquisition  

ERIC Educational Resources Information Center

This paper examines the relationship of age factor to second language acquisition. Age as an affective factor brings about different performance stages in second as well as first language learning. Traditionally, research in Critical Period Hypothesis and other variables has derived two major aspects of language learning--the younger = the better…

Bista, Krishna K.

2008-01-01

145

Exploring Factors that Affect Purchase Intention of Athletic Team Merchandise  

ERIC Educational Resources Information Center

The purpose of this study was to test a structural model to determine which psychosocial constructs affected the purchase intention of athletic team merchandise (ATM). Results from the analyses indicated that the twelve-factor ATM model fit the data from collegiate athletic events well, explaining the various impact factors that lead to purchase…

Lee, Donghun; Trail, Galen T.; Lee, Cindy; Schoenstedt, Linda J.

2013-01-01

146

Key risk factors affecting electrical safety in hazardous (classified) locations  

Microsoft Academic Search

The key risk factors affecting electrical safety in hazardous locations, with emphasis on human and environmental factors are discussed. The results of a survey that provides a user view of the reliability of area classification, product specification, installation, maintenance, documentation, and practice are presented and discussed

Richard J. Buschart; Joseph H. Kuczka

1993-01-01

147

A Factor Analytic Study of Ability, Achievement, and Personality Characteristics of College Students.  

ERIC Educational Resources Information Center

To determine the relationships among various measures of ability, achievement, and personality, data from 76 volunteer subjects were factor analyzed. The analysis yielded two factors, one representing a general intelligence factor and the other an achievement factor. No evidence was found that certain personality variables are related to…

Eno, Lawrence; And Others

1978-01-01

148

Factors Contributing to Adjustment and Achievement. Progress Report.  

ERIC Educational Resources Information Center

A longitudinal study to determine the conditions surrounding successful or unsuccessful integration of Negroes, Mexican Americans, and Anglos in the Riverside Unified School District in Riverside, California, began in school year 1965-66, and included kindergarten through grade 6. Test batteries placed emphasis on achievement "related attitudes.…

Gerard, Harold B.

149

Emotional Intelligence Skills: Significant Factors in Freshmen Achievement and Retention.  

ERIC Educational Resources Information Center

This study investigated the role of emotional skills in the academic achievement and retention of university freshmen. The research group was a randomly selected sample of first semester freshmen students (N=165), and cumulative grade point average was used as the criterion for academic success. The study was designed to investigate: (a) the…

Nelson, Darwin B.; Nelson, Kaye W.

150

Sociocultural and Motivational Factors Affecting Asian American Females Studying Physics and Engineering in High School  

ERIC Educational Resources Information Center

This quantitative study investigated whether and to what extent the motivational and sociocultural factors affect female Asian American high school physics students' achievement, their intended major in college, and their planned career goals at work fields. A survey of 62 questions, extracted from subscales of AAMAS,STPQ and PSE, were…

Sha, Saliha L.

2012-01-01

151

Physical environmental factors affecting factors affecting patients' stress in the accident and emergency department  

Microsoft Academic Search

This study is concerned with the physical environment of our Accident and Emergency (A & E) departments, with reference to added stressors that may affect our clients' overall experience of A & E. It will hopefully highlight an awareness of the environment and what we, as nurses, can do to enhance a therapeutic, humanised department that will not only help

R. P. Gulrajani

1995-01-01

152

Learning science in a cooperative setting: Academic achievement and affective outcomes  

NASA Astrophysics Data System (ADS)

A learning unit in earth science was taught to high school students, using a jigsaw-group mastery learning approach. The sample consisted of 73 students in the experimental group and 47 students who learned the topic in an individualized mastery learning approach. The study lasted 5 weeks. Pretests and posttests on academic achievement and affective outcomes were administered. Data were treated with an analysis of covariance. The results show that students of the experimental group achieved significantly higher on academic outcomes, both normative and objective scores. On the creative essay test, the differences in number of ideas and total essay score were not significant between the groups, although the mean scores for number of words were higher for the individualized mastery learning group. On the affective domain, jigsaw-group mastery learning students scored significantly higher on self-esteem, number of friends, and involvement in the classroom. No differences were found in cohesiveness, cooperation, competition, and attitudes toward the subject learned. The results are discussed through the evaluation and comparison of the two methods of instruction used in this study.The cooperative learning movement began in junior high schools as part of the desegregation process, aiming at facilitating positive ethnic relations and increasing academic achievement and social skills among diverse students (Aronson, Stephan, Sikes, Blaney, & Snapp, 1978; Sharan & Hertz-Lazarowitz, 1980; Slavin, 1980). However, elementary teachers quickly recognized the potential of cooperative methods, and such methods were adopted freely in elementary schools before becoming widespread on the junior and senior high level. It has only been during the past few years that application of cooperative learning has been studied extensively with these older students.Cooperative learning methods generally involve heterogeneous groups working together on tasks that are deliberately structured to provide specific assignments and individual contributions from each group member. Cognitive as well as social benefits are expected, as students clarify their own understanding and share their insights and ideas with each other as they interact within the group (Deutsch, 1949).Experiments in the science laboratory have always required students to work in groups of two to four, due to the constraints of experimental processes and limited equipment and sup- plies. Thus, science courses are a natural curriculum area for examining cooperative learning practices. Now that cooperative methods are being refined to develop particular capabilities in the students, science teachers need to examine ways of structuring specific tasks to achieve the academic, affective, and socialization goals for their students. Although most of the studies of cooperative learning in the high school science classroom have centered around the cognitive outcomes of achievement testing and process skills, affective and social outcomes are also significant with students of this age. But few studies in science classes have attempted to assess such aspects of students' progress.As part of a previous revision, the science faculty at the high school where this study was conducted developed an exemplary individualized mastery learning (1ML) program for teaching science. This program seemed to alleviate the severe motivational problems and the extreme individual differences among the students in this rural/bhe-collar community. Students learned to work independently on their science studies. They had almost no lectures and few large group activities. As they worked through their assignments, however, they were free to interdct with other students. Looking in on a typical class, one would see several clusters of two or three students working together, sometimes tutoring each other, sometimes just talking through an assignment. Yet at least half of the class members would be working all alone. The importance of the overall social setting in the classroom as it relates to learning (Bruner, 1986,

Lazarowitz, Reuven; Hertz-Lazarowitz, Rachel; Baird, J. Hugh

153

Transformation to Achieve a Longitudinally Stationary Factor Pattern Matrix.  

ERIC Educational Resources Information Center

Meredith's method of extracting a factorially invariant solution is adapted to longitudinal settings. An explorational estimation procedure is presented which attempts to identify the longitudinal factor components of an across occasion variance-covariance matrix. Data from 166 subjects on the Wechsler Adult Intelligence Scale is used to…

Bieber, Stephen L.; Meredith, William

1986-01-01

154

Achievement Motivation as a Factor in Self-Perceptions.  

ERIC Educational Resources Information Center

The Student Motivation for Musical Activities in Elementary School project was conducted between 1982 and 1983 with 3 main purposes: to study problems of motivation in the classroom, to examine factors significant to student motivation for general music program activities, and to obtain empirical foundations for the development of teaching…

Lillemyr, Ole Fredrik

155

Hemolymph factors affecting respiratory pumping in Aplysia californica  

E-print Network

HEMOLYMPH FACTORS AFFECTING RESPIRATORY PUMPING IN ~~( ~~~I A Thesis by SUSAN JILL TIGERT Submitted to the Office of Graduate Studies of Texas A8M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE... August 1991 Major Subject: Biology HEMOLYMPH FACTORS AFFECTING RESPIRATORY PUMPING I A A Thesis by SUSAN JILL TIGERT Approved as to style and content by: Jam s E. Kanz (Co- r of Committee) I Duncan acKenzie (Co-Chair of Committee) Schwarz...

Tigert, Susan Jill

2012-06-07

156

Factors affecting the porridge quality of sorghum and pearl millet  

E-print Network

FACTORS AFFECTING THE PORRIDGE QUALITY OF SORGHUM AND PEARL MILLET A Thesis by ASSA KANTE Submitted to the Graduate College of Texas ASM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE December 1987... Major Subject: Food Science and Technology FACTORS AFFECTING THE PORRIDGE QUALITY OF SORGHUM AND PEARL MILLET A Thesis by ASSA KANTE Approved as to style and content by: oyd . o y (Chairman of Commr ee) Ra p D. Wants a (Member) C ar es W. Drl...

Kante, Assa

2012-06-07

157

Scale Development: Factors Affecting Diet, Exercise, and Stress Management (FADESM)  

PubMed Central

Background The objective of this study was to develop scales measuring personal and environmental factors that affect dietary fat intake behavior, physical activity, and stress management in low-income mothers. Methods FADESM (factors affecting diet, exercise, and stress management) scales were developed using the Social Cognitive Theory to measure personal (outcome expectancies, self-efficacy, emotional coping response) and environmental (physical environment, social environment, situation) factors affecting dietary fat intake behavior, physical activity, and stress management. Low-income African American and white mothers were recruited from the Special Supplemental Nutrition Program for Women, Infants, and Children in three counties in Michigan. In Phase one, 45 mothers completed individual cognitive interviews. Content analyses were performed. In Phase two, items modified from the cognitive interviews were administered to 216 mothers. Factor analysis and multiple indicators/multiple causes were performed. Results Results of cognitive interviews were used to revise items for the instrument that was tested in Phase two. The factor solution revealed 19 dimensions to measure personal and environmental factors affecting dietary fat intake behavior (three dimensions), physical activity (eight dimensions), and stress management (eight dimensions). Results of multiple indicators/multiple causes model showed scale invariance. Of 19 dimensions, 15 had Cronbach alpha between 0.76 and 0.94 and four were between 0.66 and 0.69. All dimensions had composite construct reliability scores between 0.74 to 0.97 and satisfactory construct and discriminant validities. Conclusion The theory-based FADESM scales have documented good validity and reliability for measuring factors affecting dietary fat intake behavior, physical activity, and stress management in low-income women. Results of this study support the use of these scales with low-income African American and white mothers in community settings. PMID:18302762

Chang, Mei-Wei; Brown, Roger; Nitzke, Susan

2008-01-01

158

Factors Affecting the Comprehension of Global and Local Main Idea  

ERIC Educational Resources Information Center

This study investigated factors that would affect a reader's understanding of the main idea at the global level and explicit and implicit main ideas at the local level. Fifty-seven first-year university students taking a college reading course took a comprehension test on an expository text. Statistical analyses revealed that text structure had a…

Wang, Danhua

2009-01-01

159

Industry Training: The Factors that Affect Demand. Discussion Paper.  

ERIC Educational Resources Information Center

A study was conducted in Australia, to determine the factors that affect demand for job training. The study consisted of 30 detailed industry case studies, an industry analysis, and a literature review. Each case study examined current training practices, training decision making in the business, and the determinants of training for the…

Smith, A.; Roberts, P.; Noble, C.; Hayton, G.; Thorne, E.

160

Pneumonectomy for malignant disease: Factors affecting early morbidity and mortality  

Microsoft Academic Search

Objective: The purpose of this report is to analyze factors affecting morbidity and mortality after pneumonectomy for malignant disease. Methods: We retrospectively reviewed the cases of all patients who underwent pneumonectomy for malignancy at the Mayo Clinic. Between January 1, 1985, and September 30, 1998, 639 patients (469 men and 170 women) were identified. Median age was 64 years (range

Alain Bernard; Claude Deschamps; Mark S. Allen; Daniel L. Miller; Victor F. Trastek; Gregory D. Jenkins; Peter C. Pairolero

2001-01-01

161

Factors Affecting Teen Involvement in Pennsylvania 4-H Programming  

ERIC Educational Resources Information Center

The study reported here determined the factors that affect teen involvement in 4-H programming. The design of the study was descriptive and correlational in nature. Using a purposive sampling procedure, a survey questionnaire was distributed to all (N=214) 4-H members attending the 4-H State Leadership Conference. The major findings of the study…

Gill, Bart E.; Ewing, John C.; Bruce, Jacklyn A.

2010-01-01

162

Some factors affecting the formation of furan in heated foods  

Microsoft Academic Search

Levels of furan in various foods were measured before and after heating under heating and laboratory conditions. The effect of contact with can coatings, sealing gaskets and the epoxidized oils used in gasket manufacture on furan formation was studied. The objective was to identify factors affecting furan formation. Furan present in heat-processed food samples persisted during cooking. Furan was shown

S. Hasnip; C. Crews; L. Castle

2006-01-01

163

Factors Affecting Performance in an Introductory Sociology Course  

ERIC Educational Resources Information Center

This study examines factors affecting students' performances in an Introductory Sociology course over five semesters. Employing simple and ordered logit regression models, the author explains final grades by focusing on individual demographic and educational characteristics that students bring into the classroom. The results show that a student's…

Kwenda, Maxwell

2011-01-01

164

RESEARCH ARTICLE Social and Reproductive Factors Affecting Cortisol  

E-print Network

RESEARCH ARTICLE Social and Reproductive Factors Affecting Cortisol Levels in Wild Female Golden cortisol has been associated with different levels of ``stress'' as well as different reproductive conditions in many primates. In callitrichids, cortisol has more often been reflective of female reproduc

French, Jeffrey A.

165

Factors Affecting Environmental Knowledge and Attitudes among Lebanese College Students  

Microsoft Academic Search

This exploratory study aimed at assessing the variables that would positively affect the knowledge and attitude of a group of Lebanese college students regarding the environment, namely such factors as gender, age, previous hiking experience and living abroad. A purposeful sample of students attending the Lebanese American University, was asked to fill out a questionnaire that assesses four major domains

Ahmad Oweini; Ahmad Houri

2006-01-01

166

Understanding Factors that Affect Response Rates in Twitter  

E-print Network

Understanding Factors that Affect Response Rates in Twitter Giovanni Comarela Federal University in Twitter. We ap- proach this problem in two stages. First, we perform an extensive characterization of a very large Twitter dataset which includes all users, social relations, and messages posted from

Crovella, Mark

167

Students' Views on Factors Affecting Empathy in Medical Education  

ERIC Educational Resources Information Center

Objective: Empathy is a prominent goal of medical education that is too often underachieved. Using concept mapping, the authors constructed a student-generated conceptual model of factors viewed as affecting empathy during medical education. Methods: During the 2005-2006 academic year, 293 medical students and interns answered a brainstorming…

Winseman, Jeffrey; Malik, Abid; Morison, Julie; Balkoski, Victoria

2009-01-01

168

Factors Affecting the Development and Use of Learning Objects  

ERIC Educational Resources Information Center

This study explored barriers and facilitating factors affecting the development and use of learning objects in developing instructional materials and their use in supporting individualized learning. Over a two-month period, students in a graduate-level instructional design course developed instructional materials incorporating learning objects or…

Moisey, Susan D.; Ally, Mohamed; Spencer, Bob

2006-01-01

169

Factors Affecting Fatty Acid Composition in Forage and Milk  

E-print Network

Factors Affecting Fatty Acid Composition in Forage and Milk Katarina Arvidsson Faculty of Natural in Forage and Milk Abstract The aims of the studies underlying this thesis were to evaluate variations on the FA contents of the milk. Initially, samples of timothy (Phleum pratense L.) were subjected

170

Factors Affecting Workers' Retirement Confidence: A Gender Perspective  

Microsoft Academic Search

The purpose of this study was to determine the factors affecting male and female workers' retirement confidence. Retirement confidence in this study was measured with series of questions on confidence about retirement income prospects. Using the 1999 Retirement Confidence Survey, it was found that working men compared to women; who were younger; had higher levels of education; higher levels of

So-Hyun Jooi; Vanda W. Pauwelsii

171

FACTORS AFFECTING FETAL PIG WEIGHT LATE IN GESTATION 1  

Microsoft Academic Search

I NTEREST in the factors affecting birth weight grows out of its known association with postnatal viability and rate of gain (Kuhlman, 1928; Vestal, 1936; and others). The maternal contribution to variability in birth weight of the offspring is of greater importance than the paternal contri- bution in several species of mammals. Wright (1922) estimated that about 75% of the

D. P. WALDORF; W. C. FOOTE; H. L. SELF; A. B. CHAPMAN; L. E. CASIDA

172

Factors affecting couples' adjustment to recurrent breast cancer  

Microsoft Academic Search

The purpose of this study was to identify factors that affect the adjustment of women and their husbands to recurrent breast cancer and to examine the mutual effect that partners have on one another. An exploratory study was designed to determine the relationship between four predictor variables (support, uncertainty, symptom distress, hopelessness) and women's and husbands' adjustments. The sample consisted

Laurel L. Northouse; Geraldine Dorris; Carol Charron-Moore

1995-01-01

173

Factors Affecting Role Stress and Burnout among School Counselors  

ERIC Educational Resources Information Center

The purpose of this study is to determine factors affecting role stress and burnout among practicing school counselors as measured by the Maslach Burnout Inventory-Educators Survey (MBI-ES) and the Role Conflict and Ambiguity Scale. The MBI-ES utilizes three subscales to measure burnout: emotional exhaustion, depersonalization, and personal…

Willingham, Wendy Elizabeth

2009-01-01

174

A Causal Model of Academic Factors Affecting Student Persistence.  

ERIC Educational Resources Information Center

A causal model of academic factors affecting undergraduate student persistence at a large, urban, commuter university was tested. The effects of academic variables on persistence from fall to spring semester were also assessed for transfer and native students. The model accounted for 49% of the total variance in persistence, while separate models…

Johnson, Naomi T.; Richardson, Richard C., Jr.

175

Factors affecting forest cooperative's participation in forestry in Turkey  

Microsoft Academic Search

This study analyses forest cooperative's participation in forestry in Turkey. The study was carried out with 71 forest cooperatives in the Kastamonu province, located in the Western Black Sea Region. By using a principal component analysis it was found that the most important factors affecting forest cooperative's participation in forestry are: (1) member involvement, (2) forest ownership and administration, and

Erdo?an Atmi?; H. Batuhan Gün?en; Banu Bayramo?lu Lise; Wietze Lise

2009-01-01

176

Developing Worksheet Based on Science Process Skills: Factors Affecting Solubility  

ERIC Educational Resources Information Center

The purpose of this study is to develop a worksheet about the factors affecting solubility, which could be useful for the prospective science teachers (PST) to remind and regain their science process skills (SPS). The pilot study of the WS was carried out with 32 first grade PST during the 2007-2008 academic year in the education department at…

Karsli, Fethiye; Sahin, Cigdem

2009-01-01

177

FACTORS AFFECTING NESTING SUCCESS OF RING-NECKED PHEASANTS  

Microsoft Academic Search

HROUGH the spring and early summer of 1964, 11 Ring-necked Pheasant (Phasianus colchicus) nests were discovered in Toledo, Lucas County, Ohio. The determinate factors affecting nesting success, including interesting behavioral patterns in response to different stimuli, are reported. The earliest nest was located on 3 May and the latest on 15 June. The habitat varied considerably; nests were found in

LARRY C. HOLCOMB

178

Motivational Factors Affecting Online Learning by Japanese MBA Students  

ERIC Educational Resources Information Center

In Japan, Internet based learning is still at an early stage. However, adult learners in Japanese society expect the development of flexible e-learning programs. This case study examines motivational factors affecting online learning in a Japanese and Australian MBA program, using observations, interviews and a questionnaire survey. The data were…

Kikuchi, Hisayo

2006-01-01

179

ORIGINAL PAPER Factors affecting otter (Lutra lutra) abundance and breeding  

E-print Network

tributaries of the Ebro River, with the aims to understand spatial and temporal changes in otter abundanceORIGINAL PAPER Factors affecting otter (Lutra lutra) abundance and breeding success in freshwater online: 19 February 2011 # Springer-Verlag 2011 Abstract Otters are elusive semi-aquatic mammals

Paris-Sud XI, Université de

180

Factors affecting the protein quality of pigeonpea ( Cajanus cajan L.)  

Microsoft Academic Search

Pigeonpea occupies an important place in human nutrition as a source of dietary proteins in several countries. Some of the important factors that affect the protein quality of pigeonpea have been reviewed and summarised in this paper. Among important food legumes, pigeonpea contained the lowest amount of limiting sulphur amino acids, methionine and cystine implicating the importance of these amino

U. SINGtt; B. O. Eggum

1984-01-01

181

The Synergistic Effect of Affective Factors on Student Learning Outcomes  

ERIC Educational Resources Information Center

This study investigates how affective and self-related factors impact participation in science learning and environmental awareness and responsibility. Using PISA 2006 datasets from Taiwan and Canada having similar level of science competency, the model for this study verifies and expands an earlier model by examining the relationships among…

Jack, Brady Michael; Lin, Huann-shyang; Yore, Larry D.

2014-01-01

182

Infants in foster care: relational and environmental factors affecting attachment  

Microsoft Academic Search

The present study investigated the effect of relational and environmental factors affecting attachment security in 46 infants placed in foster homes. The study found that a majority of infants (67%) in the participant group were securely attached. Additionally, of the insecurely attached, a larger percentage of infants than anticipated displayed disorganized\\/disoriented patterns of attachment. The study found that organization of

S. A. Cole

2005-01-01

183

Mothers, Fathers, Families, and Circumstances: Factors Affecting Children's Adjustment  

Microsoft Academic Search

The burgeoning empirical literature exploring the factors accounting for individual differences in psychological adjustment is reviewed. Many studies have shown that adjustment is largely affected by differences in the quality of parenting and parent–child relationships, the quality of the relationships between the parents, and the richness of the economic and social resources available to the family; more recent research signals

Michael E. Lamb

2012-01-01

184

Factors affecting corticosteroid concentrations in yellow-bellied marmots.  

PubMed

1. Bound and total corticosteroid concentrations of yellow-bellied marmots (Marmota flaviventris) were lowest in May after emergence from hibernation and peaked in August prior to immergence. 2. Total corticosteroids were affected by age but not by sex or reproductive status. 3. There was no consistent relationship between measures of population density and concentrations of corticosteroids; when a significant relationship occurred, only 22-34% of the variation was explained. 4. Social status and social behavior were the major factors affecting corticosteroid concentrations. PMID:1673377

Armitage, K B

1991-01-01

185

Gender context of the school and study culture, or how the presence of girls affects the achievement of boys  

Microsoft Academic Search

This paper builds on my previous research, explaining the differential achievement of boys and girls in secondary education by the fact that boys' culture is less study orientated than girls' culture. The central question of the present paper is whether the presence of girls at school affects the boys' study culture and, by consequence, boys' achievement. The research is based

Mieke Van Houtte

2004-01-01

186

Multilevel Effects of Student and Classroom Factors on Elementary Science Achievement in Five Countries  

ERIC Educational Resources Information Center

This study examined the effects of individual student factors and classroom factors on elementary science achievement within and across five countries. The student-level factors included gender, self-confidence in science and home resources. The classroom-level factors included teacher characteristics, instructional variables and classroom…

Kaya, Sibel; Rice, Diana C.

2010-01-01

187

Social and Psychological Factors in the Academic Achievement of Children of Immigrants: A Cultural History Puzzle  

Microsoft Academic Search

The influence of various factors in immigrant students' school achievement was examined in informing broader discourses on schooling, inequality, and related conceptual issues. The ways in which different types of predictors of school achievement behave in context with factors related to adolescence and cultural adaptation in a sample of children of immigrants were explored. The influence of cultural background remains

Pedro R. Portes

1999-01-01

188

Factors Related to Students' Achievements: Comparing Israeli Bedouin and Jewish Students in College Education  

ERIC Educational Resources Information Center

This study examined factors contributing to the achievements of Israeli Bedouin and Jewish students in an Israeli college for teacher education. The study employed Tinto's model and its core concepts of academic and social integration as main explanatory factors for student achievement in an academic institute. Background characteristics were also…

Fischl, Dita; Sagy, Shifra

2009-01-01

189

[Relationship between congenital heart disease and various factors affecting pregnancy].  

PubMed

In a prospective epidemiological study data of 24,732 pregnancies were analysed by computer programmes for the incidence of congenital heart disease (CHD) and its relationship to various factors affecting pregnancy (age and weight of mother, smoking, alcohol-, and coffee-consumption, usage of oral contraception). Frequency of CHD was 0.9%. Data showed that CHD could be associated with alcohol consumption, smoking, maternal age. Other factors like coffee consumption or taking oral contraceptive tablets did not influence the frequency of CHD. Authors conclude that in the prevention of CHD, reduction or even omission of both alcohol consumption and smoking are highly justified. PMID:1734344

Pejtsik, B; Pintér, J; Horváth, M; Hadnagy, J

1992-01-19

190

The Fibroblast Growth Factor Family: Neuromodulation of Affective Behavior  

PubMed Central

In this review we propose a broader view of the role of the fibroblast growth factor (FGF) family in modulating brain function. We suggest that some of the FGF ligands together with the FGF receptors are altered in individuals with affective disorder and modulate emotionality in animal models. Thus, we propose that members of the FGF family may be genetic predisposing factors for anxiety, depression or substance abuse; that they play a key organizing role during early development but continue to play a central role in neuroplasticity in adulthood; and that they work not only over extended time frames, but also via rapid signaling mechanisms, allowing them to exert an “on-line” influence on behavior. Therefore, the FGF family appears to be a prototype of “switch genes” that are endowed with organizational and modulatory properties across the lifespan, and that may represent molecular candidates as biomarkers and treatment targets for affective and addictive disorders. PMID:23040813

Turner, Cortney A.; Watson, Stanley J.; Akil, Huda

2012-01-01

191

Factors affecting members’ evaluation of agri-business ventures’ effectiveness  

Microsoft Academic Search

This paper presents work to identify factors affecting effectiveness of agri-business ventures (A-BVs) on the side of providers as perceived by their members. A survey was conducted among 95 members of A-BVs in Zanjan province, Iran. To collect data, a questionnaire was designed. Two distinct groups of A-BVs with low (group 1) and high (group 2) perceived (evaluated) levels of

Seyyed Mahmoud Hashemi; Yousef Hedjazi

2011-01-01

192

Factors Affecting Cotton Producers' Choice of Marketing Outlet  

E-print Network

FACTORS AFFECTING COTTON PRODUCERS? CHOICE OF MARKETING OUTLET A Thesis by JASON DEAN PACE Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE Approved by: Chair of Committee, John R.C. Robinson Committee Members, Dmitry Vedenov Calvin Parnell Head of Department, Parr Rosson December 2012 Major Subject: Agricultural Economics Copyright 2012 Jason...

Pace, Jason 1979-

2012-08-16

193

Affective and physiological factors predicting maternal response to infant crying  

Microsoft Academic Search

This study evaluated physiological, affective, and perceptual factors hypothesized to predict how quickly 45 primiparous mothers of 7–9-month-old infants would respond to non-distressed infant crying. Aversiveness ratings of the non-distressed cries of one's “own” infant and physiological reactivity to one's “own” infant crying accounted for a significant amount of the variance in a Cox proportional hazards regression analysis of speed

Tamara Del Vecchio; Abbe Walter; Susan G. O’Leary

2009-01-01

194

An Examination of Factors Affecting Perception of Workplace Discrimination  

Microsoft Academic Search

This study investigates perceptions of workplace discrimination among racial minorities in Canada. Specifically, the study\\u000a examines how objective experiences of disadvantage and expectations for equity influence racial minorities’ perceptions of\\u000a discrimination. The results indicate that while both of these factors affect perceptions of discrimination, expectations for\\u000a equity may be especially important. Although new immigrants are among the most disadvantaged groups

Rupa Banerjee

2008-01-01

195

Factors Affecting the Amount of Puffing in Tomatoes.  

E-print Network

by crossings involving four varieties the first generations of which developed less puffing than those involving any two varieties. Pactors found to affect the proportion of tomato fruits puffed involve variety and strain (hereditary), pollination, available...-------------------------------------------- 4 0 Southern blight 40 Blossom end rot 41 Pollination 41 Position of fruit 42 Hereditary factors 4 4 Varieties and strains 4 4 Selections -----------1---------------------------- 5 5 Crosses 5 7 Discussion 6 0 Summary 6 1 Literature cited...

Wood, J. F. (John Fielding); Yarnell, S. H. (Sidney Howe); Friend, W. H. (William Heartsill)

1937-01-01

196

Factors affecting uptake of measles, mumps, and rubella immunisation  

Microsoft Academic Search

OBJECTIVE--To study factors affecting uptake of measles, mumps, and rubella immunisation. DESIGN--Cohort study using data from computerised child health systems. SETTING--10 health districts in North East Thames and North West Thames regions. SUBJECTS--7841 children born in January to March 1990 and resident in the districts up till the end of October 1991. MAIN OUTCOME MEASURES--Overall uptake of measles, mumps, and

J Li; B Taylor

1993-01-01

197

Factors affecting the use and non use of contraception.  

PubMed

Data from the 1982 Jakarta Modular Survey were used to study the factors affecting the use and nonuse of contraception. Specific study objectives were: to present some characteristics of contraceptors and noncontraceptors; to identify the major factors affecting contraceptive use; to determine the causal structure between the factors and contraceptive use; and to understand the relationship among these factors. The data collected were organized into 4 modules: socioeconomic and migration module; contraceptive prevalence and fertility module; mortality, morbidity, nutrition, and health practice module; and contraceptive continuation module. The first 3 modules were used for collecting information from all currently married women aged 15-49 years. The last module was used for collecting information from women who used some contraceptive method through the services of a family planning clinic during the 1977-82 period. Data on 2727 women were analyzed. Users and nonusers distributed differently depending on their characteristics. The characteristics selected included age, respondent's education, husband's education, working status of the respondent, age at 1st marriage, number of living children, and experience of abortion. These variables were considered to be associated with use and nonuse of contraceptives. Compared to the nonusers, the current users were slightly older in age more educated (and had husbands who were more educated), were older when 1st married, had more living children, and had more experience in abortion. Log-linear analysis was performed on 2 groups of women. Group I included all currently married women aged 15-49 years; Group II included only "high risk" women, i.e., currently married women aged 15-34 years, not pregnant, not in menopausal stage, and have had at least 1 live birth. Contraceptive use rates were lower in Group I than in Group II. Within both groups, the users rates differed significantly according to age, age at marriage, number of living children, education, and media exposure. There were no significant differences in contraceptive use rates according to experience of abortion and working status. The analysis on the selection of a model suggests that there were 4 independent major factors affecting the use and nonuse of contraception: number of living children, frequency of exposure to mass media, level of education, and current age. There also was a relationship among the following factors: age with number of living children and with media exposure; number of living children with level of education; and education with media exposure and with age. Although the experience of abortion did not affect contraceptive use, it was strongly associated with age. Among these 4 factors, education had the strongest effects, followed consecutively by number of living children, current age, and media exposure. PMID:12280177

Utomo, B; Alimoeso, S; Park, C B

1983-12-01

198

Factors Affecting Sleep Quality of Patients in Intensive Care Unit  

PubMed Central

Introduction: Sleep disturbance is a frequently overlooked complication of intensive care unit (ICU) stay. Aim: To evaluate sleep quality among patients admitted to ICU and investigate environmental and non-environmental factors that affect sleep quality in ICU. Methods: Over a 22-month period, we consecutively recruited patients who spent ? 2 nights post-endotracheal extubation in ICU and who were orientated to time, place, and person on the day of discharge. Self-reported sleep quality, according to a modified Freedman questionnaire, which provided data on self-reported ICU sleep quality in ICU and environmental factors affecting sleep quality in the ICU, were collected. We also investigated non-environmental factors, such as severity of illness, ICU interventions, and medications that can affect sleep quality. Results: Fifty males and 50 females were recruited with a mean (± SD) age of 65.1 ± 15.2 years. APACHE II score at admission to ICU was 18.1 ± 7.5 with duration of stay 6.7 ± 6.5days. Self-reported sleep quality score at home (1 = worst; 10 = best) was 7.0 ± 2.2; this decreased to 4.0 ± 1.7 during their stay in ICU (p < 0.001). In multivariate analysis with APACHE III as severity of illness (R2 = 0.25), factors [exp(b)(95% CI), p value] which significantly affected sleep in ICU were sex [0.37(0.19-0.72), p < 0.01], age and sex interaction [1.02(1.01-1.03), p < 0.01], bedside phone [0.92(0.87-0.97), p < 0.01], prior quality of sleep at home [1.30(1.05-1.62), p = 0.02], and use of steroids [0.82(0.69-0.98), p = 0.03] during the stay in ICU. Conclusion: Reduced sleep quality is a common problem in ICU with a multifactorial etiology. Citation: Bihari S; McEvoy RD; Kim S; Woodman RJ; Bersten AD. Factors affecting sleep quality of patients in intensive care unit. J Clin Sleep Med 2012;8(3):301-307. PMID:22701388

Bihari, Shailesh; Doug McEvoy, R.; Matheson, Elisha; Kim, Susan; Woodman, Richard J.; Bersten, Andrew D.

2012-01-01

199

Factors affecting growth and pigmentation of Penicillium caseifulvum.  

PubMed

Color formation, metabolite production and growth of Penicillium caseifulvum were studied in order to elucidate factors contributing to yellow discoloration of Blue Cheese caused by the mold. A screening experiment was set up to study the effect of pH, concentration of salt (NaCl), P, K, N, S, Mg and the trace metals Fe, Cu, Zn, Mn on yellow color formation, metabolite production and mold growth. Multivariate statistical analysis showed that the most important factor affecting yellow color formation was pH. The most pronounced formation of yellow color, supported by highest amount of colored metabolites, appeared at low pH (pH 4). Mold growth was not correlated to the yellow color formation. Salt concentration was the most important factor affecting mold growth and length of lag phase. Production of secondary metabolites was strongly influenced by both pH and salt concentration. The screening results were used to divide the metabolites into the following three groups: 1) correlated to growth, 2) correlated to color formation, and 3) formed at high pH. Subsequently, a full factorial experiment with factors P, Mg and Cu, showed that low P concentrations (2,000 mg/kg) induced yellow color formation. Among the factors contributing to yellow color formation, pH and salt concentration are easy to control for the cheesemaker, while the third factor, P-concentration, is not. Naturally occurring variations in the P-concentration in milk delivered to Blue Cheese plants, could be responsible for the yellow discoloration phenomenon observed in the dairy industry. PMID:12487445

Suhr, K I; Haasum, I; Steenstrup, L D; Larsen, T O

2002-11-01

200

African American Urban Female Students' Perceptions of Social Factors Impacting Their Academic Achievement in One Public School District  

E-print Network

studies advocate that urban students may be shortchanged academically because of self-confidence (Woods, 1997); concentrated poverty/cultural diversity (Ford, 1992; Fordham & Ogbu, 1986; Kincheloe, 2004; Ladson- Billings, 1995); teacher expectations... stereotyping (Steele & Aronson, 1995); and parental involvement (Comer & Hayes, 1991; Epstein, 1995; Wood, Kaplan, & McLoyd, 2006). Other factors affecting female academic achievement include funding, teacher efficacy, peer 3 pressures, self...

Shelby-King, Rhonda Evette

2011-08-08

201

Factors affecting collaboration between general practitioners and community pharmacists: a qualitative study  

PubMed Central

Background Although general practitioners (GPs) and community pharmacists (CPs) are encouraged to collaborate, a true collaborative relationship does not exist between them. Our objective was to identify and analyze factors affecting GP-CP collaboration. Methods This was a descriptive-exploratory qualitative study carried out in two Spanish regions: Catalonia (Barcelona) and Balearic Islands (Mallorca). Face-to-face semi-structured interviews were conducted with GPs and CPs from Barcelona and Mallorca (January 2010-February 2011). Analysis was conducted using Colaizzi’s method. Results Thirty-seven interviews were conducted. The factors affecting the relationship were different depending on timing: 1) Before collaboration had started (prior to collaboration) and 2) Once the collaboration had been initiated (during collaboration). Prior to collaboration, four key factors were found to affect it: the perception of usefulness; the Primary Care Health Center (PCHC) manager’s interest; the professionals’ attitude; and geography and legislation. These factors were affected by economic and organizational aspects (i.e. resources or PCHC management styles) and by professionals’ opinions and beliefs (i.e. perception of the existence of a public-private conflict). During collaboration, the achievement of objectives and the changes in the PCHC management were the key factors influencing continued collaboration. The most relevant differences between regions were due to the existence of privately-managed PCHCs in Barcelona that facilitated the implementation of collaboration. In comparison with the group with experience in collaboration, some professionals without experience reported a skeptical attitude towards it, reporting that it might not be necessary. Conclusions Factors related to economic issues, management and practitioners’ attitudes and perceptions might be crucial for triggering collaboration. Interventions and strategies derived from these identified factors could be applied to achieve multidisciplinary collaboration. PMID:22769570

2012-01-01

202

Factors Predictive of Mathematics Achievement in Kindergarten, First and Third Grades: An Opportunity-Propensity Analysis  

ERIC Educational Resources Information Center

A secondary analysis of the Early Childhood Longitudinal Study-Kindergarten Sample (N = 17,401) was conducted to determine the factors that are most strongly associated with math achievement during kindergarten, first grade, and third grade. Factors from the following three categories were considered: antecedent factors (e.g., family…

Byrnes, James P.; Wasik, Barbara A.

2009-01-01

203

Addendum: Factor Analysis of Explanatory Variables in an Achievement Production Function  

ERIC Educational Resources Information Center

Combining explanatory variables into factors instead of using individual variables in an achievement production function is advocated in several of the articles in this special issue. This article provides a brief overview of factor analysis explaining and illustrating the reasoning for this technique. There is a linchpin: Factor analysis is an…

Phelps, James L.

2011-01-01

204

Factors affecting the prescribing patterns of antibiotics and injections.  

PubMed

There are serious problems concerning the inadequate prescription of antibiotics and overuse of injections in primary care. However, the determinants of prescription patterns in Korea are not well-documented. To examine the area characteristics affecting the prescription of antibiotics and injections in primary care practices in the treatment of respiratory tract infections (RTIs), a nationwide cross-sectional study was performed in all 250 administrative districts of Korea. The outcome was modeled as a binary variable: over-prescription or not compared with the nation-wide average. Over-prescription of antibiotics was associated with the ratio of specialists to general physicians and over-prescription in previous years in the area (adjusted odds ratio [aOR], 4.8; 95% confidence interval [CI] 1.5-14.8; and aOR, 12.0; 95% CI 5.5-25.9, respectively). Over-use of injections was associated with younger population, urban living and the number of hospital beds in the area (aOR, 0.2; 95% CI 0.1-0.4; aOR, 0.3; 95% CI 0.1-0.8; and aOR, 0.4, 95% CI 0.2-0.9; respectively). There were differences in the prescribing patterns in different districts; prescription patterns were affected more by supply factors than by demand factors. Highly competitive medical environment associated with supply factors is a significant determinant of prescription patterns in Korea. PMID:22323857

Choi, Kyung-Hyun; Park, Sang-Min; Lee, Ju-Hyun; Kwon, Soonman

2012-02-01

205

Factors Affecting Survival of Bacteriophage on Tomato Leaf Surfaces?  

PubMed Central

The ability of bacteriophage to persist in the phyllosphere for extended periods is limited by many factors, including sunlight irradiation, especially in the UV zone, temperature, desiccation, and exposure to copper bactericides. The effects of these factors on persistence of phage and formulated phage (phage mixed with skim milk) were evaluated. In field studies, copper caused significant phage reduction if applied on the day of phage application but not if applied 4 or 7 days in advance. Sunlight UV was evaluated for detrimental effects on phage survival on tomato foliage in the field. Phage was applied in the early morning, midmorning, early afternoon, and late evening, while UVA plus UVB irradiation and phage populations were monitored. The intensity of UV irradiation positively correlated with phage population decline. The protective formulation reduced the UV effect. In order to demonstrate direct effects of UV, phage suspensions were exposed to UV irradiation and assayed for effectiveness against bacterial spot of tomato. UV significantly reduced phage ability to control bacterial spot. Ambient temperature had a pronounced effect on nonformulated phage but not on formulated phages. The effects of desiccation and fluorescent light illumination on phage were investigated. Desiccation caused a significant but only slight reduction in phage populations after 60 days, whereas fluorescent light eliminated phages within 2 weeks. The protective formulation eliminated the reduction caused by both of these factors. Phage persistence was dramatically affected by UV, while the other factors had less pronounced effects. Formulated phage reduced deleterious effects of the studied environmental factors. PMID:17259361

Iriarte, F. B.; Balogh, B.; Momol, M. T.; Smith, L. M.; Wilson, M.; Jones, J. B.

2007-01-01

206

Excused Versus Unexcused: How Student Absences in Elementary School Affect Academic Achievement  

Microsoft Academic Search

The literature on school absences has focused predominantly on the reasons for student truancy, or it has assessed only aggregate student absences in their effect on achievement. However, this study brings forth a new issue: the relationship between types of absences—excused versus unexcused— and school performance. With a quantitative model of educational achievement on a longitudinal multilevel data set of

Michael A. Gottfried

2009-01-01

207

An Investigation of Factors Affecting Gender Differences in Standardized Math Performance: Results from U.S. and Hong Kong 15 Year Olds  

ERIC Educational Resources Information Center

Learning strategies and affective factors could have a profound impact on student standardized mathematics performance. This study investigated gender differences in affective factors, learning strategies, and preferred learning situations, and how these variables affect math achievement of 15 year olds in the United States and Hong Kong on the…

Liu, Ou Lydia

2009-01-01

208

Risk factors affecting morbidity in typhoid enteric perforation  

Microsoft Academic Search

Introduction  Typhoid enteric perforation is a cause of high morbidity and mortality. This study aim is to determine the factors affecting\\u000a morbidity in patients with typhoid enteric perforation.\\u000a \\u000a \\u000a \\u000a Materials and methods  Ninety-six patients with typhoid enteric perforation were reviewed. The variables are defined as follows: Age, gender, complaints,\\u000a perforation–operation interval, typhoid fever treatment before the perforation or not, white blood cell (WBC)

E. Gedik; S. Girgin; I. H. Taçy?ld?z; Y. Akgün

2008-01-01

209

[Psychological factors affecting medical conditions--a method of measurement].  

PubMed

Improving the way of diagnosing diseases is reflected in changes which are being introduced into the existing systems of classifications. Researchers aim to create such a system that will be free of assumptions that are controversial and difficult to approve on the medical basis. Currently completed works associated with the preparation and introduced the DSM-5, in which they prepared criteria for the assessment psychological factors affecting medical conditions and their method of measurement. An interview which is presented in this article has been created for the evaluation of those groups of syndromes and has been translated into the Polish language. PMID:25344974

Basi?ska, Malgorzata A; Wo?niewicz, Agnieszka

2014-01-01

210

Human Factors Affecting the Patient's Acceptance of Wireless Biomedical Sensors  

NASA Astrophysics Data System (ADS)

In monitoring arrhythmia, the quality of medical data from the ECG sensors may be enhanced by being based on everyday life situations. Hence, the development of wireless biomedical sensors is of growing interest, both to diagnose the heart patient, as well as to adjust the regimen. However, human factors such as emotional barriers and stigmatization, may affect the patient's behavior while wearing the equipment, which in turn may influence quality of data. The study of human factors and patient acceptance is important both in relation to the development of such equipment, as well as in evaluating the quality of data gathered from the individual patient. In this paper, we highlight some important aspects in patient acceptance by comparing results from a preliminary clinical trial with patients using a wireless ECG sensor for three days out-of-hospital service, to available published results from telehomecare projects, and discuss important aspects to be taken into account in future investigations.

Fensli, Rune; Boisen, Egil

211

Factors that affect electric-utility stranded commitments  

SciTech Connect

Estimates of stranded commitments for U.S. investor-owned utilities range widely, with many falling in the range of $100 to $200 billion. These potential losses exist because some utility-owned power plants, long-term power-purchase contracts and fuel-supply contracts, regulatory assets, and expenses for public-policy programs have book values that exceed their expected market values under full competition. This report quantifies the sensitivity of stranded- commitment estimates to the various factors that lead to these above- market-value estimates. The purpose of these sensitivity analyses is to improve understanding on the part of state and federal regulators, utilities, customers, and other electric-industry participants about the relative importance of the factors that affect stranded- commitment amounts.

Hirst, E.; Hadley, S.; Baxter, L.

1996-07-01

212

Beyond academic reputation: Factors that influence the college of first choice for high achieving students  

Microsoft Academic Search

Studies that have investigated college choice factors for high-achieving students repeatedly cite academic reputation as one of the top indicators of choice but have not indicated why some high-achieving students choose to attend universities with a less prestigious reputation than the more highly prestigious options available to them. The purpose of this study was to examine whether differences exist between

Holly J Schoenherr

2009-01-01

213

Beyond Academic Reputation: Factors that Influence the College of First Choice for High Achieving Students  

ERIC Educational Resources Information Center

Studies that have investigated college choice factors for high-achieving students repeatedly cite academic reputation as one of the top indicators of choice but have not indicated why some high-achieving students choose to attend universities with a less prestigious reputation than the more highly prestigious options available to them. The purpose…

Schoenherr, Holly J.

2009-01-01

214

Understanding Mathematics Achievement: An Analysis of the Effects of Student and Family Factors  

ERIC Educational Resources Information Center

Educators are increasingly recognising the importance of improving students' mathematics achievement. Much of the current research focuses on the impact of instructional variables on mathematics achievement. The goal of this study was to examine the influence of less researched variables--family and student factors. Participants were 747…

Goforth, Kate; Noltemeyer, Amity; Patton, Jon; Bush, Kevin R.; Bergen, Doris

2014-01-01

215

Multiple Weather Factors Affect Apparent Survival of European Passerine Birds  

PubMed Central

Weather affects the demography of animals and thus climate change will cause local changes in demographic rates. In birds numerous studies have correlated demographic factors with weather but few of those examined variation in the impacts of weather in different seasons and, in the case of migrants, in different regions. Using capture-recapture models we correlated weather with apparent survival of seven passerine bird species with different migration strategies to assess the importance of selected facets of weather throughout the year on apparent survival. Contrary to our expectations weather experienced during the breeding season did not affect apparent survival of the target species. However, measures for winter severity were associated with apparent survival of a resident species, two short-distance/partial migrants and a long-distance migrant. Apparent survival of two short distance migrants as well as two long-distance migrants was further correlated with conditions experienced during the non-breeding season in Spain. Conditions in Africa had statistically significant but relatively minor effects on the apparent survival of the two long-distance migrants but also of a presumably short-distance migrant and a short-distance/partial migrant. In general several weather effects independently explained similar amounts of variation in apparent survival for the majority of species and single factors explained only relatively low amounts of temporal variation of apparent survival. Although the directions of the effects on apparent survival mostly met our expectations and there are clear predictions for effects of future climate we caution against simple extrapolations of present conditions to predict future population dynamics. Not only did weather explains limited amounts of variation in apparent survival, but future demographics will likely be affected by changing interspecific interactions, opposing effects of weather in different seasons, and the potential for phenotypic and microevolutionary adaptations. PMID:23593131

Salewski, Volker; Hochachka, Wesley M.; Fiedler, Wolfgang

2013-01-01

216

A biomechanical review of factors affecting rowing performance.  

PubMed

This review analyses rowing by linking the biological and mechanical systems that comprise the rowing system. Blade force was found to be the only propulsive force to counter the drag forces, consisting of both air drag and hydrodynamic drag, acting on the system. Vertical oscillations of the shell are shown to have minimal impact on system dynamics. The oar acts as the link between the force generated by the rower and the blade force and transmits this force to the rowing shell through the oarlock. Blade dynamics consist of both lift and drag mechanisms. The force on the oar handle is the result of a phased muscular activation of the rower. Oar handle force and movement are affected by the joint strength and torque-velocity characteristics of the rower. Maximising sustainable power requires a matching of the rigging setup and blade design to the rower's joint torque-velocity characteristics. Coordination and synchrony between rowers in a multiple rower shell affects overall system velocity. Force-time profiles should be better understood to identify specific components of a rower's biomechanics that can be modified to achieve greater force generation. PMID:12453833

Baudouin, A; Hawkins, D

2002-12-01

217

Study of factors affecting the appearance of colors under microscopes  

NASA Astrophysics Data System (ADS)

The variation of colors in microscopy systems can be quite critical for some users. To address this problem, a study is conducted to analyze how different factors such as size of the sample, intensity of the microscope's light source and the characteristics of the material like chroma and saturation can affect the color appearance through the eyepiece of the microscope. To study the changes in colors considering these factors, the spectral reflectance of 24 colors of GretagMacbeth Classic ColorChecker® and Mini ColorChecker® which are placed under a Nikon ECLIPSE MA200 microscope®2 using dark filed and bright field illuminations which result in different intensity levels, is measured using a spectroradiometer®3 which was placed in front of the eyepiece of the microscope. The results are compared with the original data from N. Ohta1. The evaluation is done by observing the shift in colors in the CIE 1931 Chromaticity Diagram and the CIELAB space, also by applying a wide set of color-difference formulas, namely: CIELAB, CMC, BFD, CIE94, CIEDE2000, DIN99d and DIN99b. Furthermore, to emphasize on the color regions in which the highest difference is observed, the authors have obtained the results from another microscope; Olympus SZX10®4, which in this case the measurement is done by mounting the spectroradiometer to the camera port of the microscope. The experiment leads to some interesting results, among which is the consistency in the highest difference observed considering different factors or how the change in saturation of the samples of the same hue can affect the results.

Zakizadeh, Roshanak; Martinez-Garcia, Juan; Raja, Kiran B.; Siakidis, Christos

2013-11-01

218

Factors affecting expanded electricity trade in North America  

SciTech Connect

The authors explore factors that affect electricity trade between enterprises in the US and Canada and the US and Mexico. They look to those underlying policy and institutional factors that affect the relative costs of producing electricity in the three countries. In particular, they consider six factors that appear to have a significant impact on electricity trade in North America: differences in the types of economic regulation of power leading to differences in cost recovery for wholesale and retail power and wheeling charges; changing regulatory attitudes, placing more emphasis on demand-side management and environmental concerns; differences in energy and economic policies; differences in national and subnational environmental policies; changing organization of electric power industries which may foster uncertainty, change historical relationships, and provide other potentially important sources of power for distribution utilities; and differences in the ability of enterprises to gain access to electric power markets because of restrictions placed on transmission access. In Section 2, the authors discuss the regulation of electricity trade in North America and provide an overview of the recent trading experience for electricity between Canada and the US and between Mexico and the US, including the volume of that trade over the past decade and existing transmission capacity between regions of the three countries. In Section 3, they look at the benefits that accrue to trading counties and what those benefits are likely to be for the three countries. The discussion in Section 4 centers on the relevant provisions of the Canada Free Trade Agreement and the proposed North American Free Trade Agreement. In Section 5, they set the stage for the discussion of policy and institutional differences presented in Section 6 by outlining differences in the organization of the electric power sectors of Canada, the US, and Mexico. The study is synthesized in Section 7.

Hill, L.J.

1994-01-01

219

Factors affecting intraocular light scattering from different color straylight sources  

NASA Astrophysics Data System (ADS)

Important optical parameter of the eye is intraocular light scattering. Straylight can reduce visual acuity, contrast sensitivity. It is one of the main factors for glare, especially for drivers at night, when there is light source some distance away from the fixation point. There are many factors, which can affect amount of light scattering in the eye. To assess the effect of the color of the straylight source on retinal image quality at different light scattering levels, retinal straylight was measured with and without light scattering occluder. Red, green and blue colors were choosed for straylight source. Psychophysical and electrophysiological methods were used to evaluate light scattering effect on perception on different color stimuli. Results show that straylight values are the greatest for blue color with and without light scattering occluder. In measurements without light scattering occluder ratio of straylight values for red and green color are different between subjects. Using light scattering occluder straylight values for green color are greater than for red color. Optical and anatomical factors which can induce these spectral variations are discussed. Psychophysical and electrophysiological methods showed the similar changes in results with straylight values when light scattering were increased.

Ikaunieks, Gatis; Ozolinsh, Maris

2008-09-01

220

Fluoxetine response in children with autistic spectrum disorders: correlation with familial major affective disorder and intellectual achievement.  

PubMed

One hundred and twenty-nine children, 2 to 8 years old, with idiopathic autistic spectrum disorder diagnosed by standard instruments (Childhood Austim Ratings Scale and Autism Diagnostic Observation Schedule) were treated with fluoxetine (0.15 to 0.5mg/kg) for 5 to 76 months (mean 32 to 36 months), with discontinuation trials. Response criteria are described. Family histories were obtained using the family history method in repeated interviews. Fluoxetine response, family history of major affective disorder, and unusual intellectual achievement, pretreatment language, and hyperlexia were used to define a coherent subgroup of autistic spectrum disorder. Statistical analyses were post hoc. Of the children, 22 (17%) had an excellent response, 67 (52%) good, and 40 (31%) fair/poor. Treatment age did not correlate with response. Fluoxetine response correlated robustly with familial major affective disorder and unusual intellectual achievement, and with hyperlexia in the child. Family history of bipolar disorder and of unusual intellectual achievement correlated strongly. Five children developed bipolar disorder during follow-up. Fluoxetine response, family history of major affective disorder (especially bipolar), unusual achievement, and hyperlexia in the children appear to define a homogeneous autistic subgroup. Bipolar disorder, unusual intellectual achievement, and autistic spectrum disorders cluster strongly in families and may share genetic determinants. PMID:12418789

DeLong, G Robert; Ritch, Chad R; Burch, Sherri

2002-10-01

221

Gender Peer Effects in School: Does the Gender of School Peers Affect Student Achievement?  

ERIC Educational Resources Information Center

This research addresses gender peer effects in education and their impact on student achievement in Chile. We address the topic from three different level of analysis: (a) whether the proportion of girls in a cohort influences students' educational outcomes (b) whether assignment to a classroom with a higher proportion of girls influences…

Cabezas, Veronica

2010-01-01

222

Preoccupation with Failure Affects Number of Study Hours--Not Academic Achievement  

ERIC Educational Resources Information Center

It has been claimed that perceived academic control (AC) in combination with preoccupation with failure (PWF) produces a strong motivation for success, and the interaction (AC x PWF) has been shown to predict academic achievement. In a prospective study, 442 first year psychology students completed a questionnaire about their background, study…

Brunborg, Geir Scott; Pallesen, Stale; Diseth, Age; Larsen, Svein

2010-01-01

223

Does Cultural Capital Really Affect Academic Achievement? New Evidence from Combined Sibling and Panel Data  

ERIC Educational Resources Information Center

This article provides new estimates of the causal effect of cultural capital on academic achievement. The author analyzes data from the National Longitudinal Survey of Youth--Children and Young Adults and uses a fixed effect design to address the problem of omitted variable bias, which has resulted in too optimistic results in previous research.…

Jaeger, Mads Meier

2011-01-01

224

Measuring How Benchmark Assessments Affect Student Achievement. Issues & Answers. REL 2007-No. 039  

ERIC Educational Resources Information Center

This report examines a Massachusetts pilot program for quarterly benchmark exams in middle-school mathematics, finding that program schools do not show greater gains in student achievement after a year. But that finding might reflect limited data rather than ineffective benchmark assessments. Benchmark assessments are used in many districts…

Henderson, Susan; Petrosino, Anthony; Guckenburg, Sarah; Hamilton, Stephen

2007-01-01

225

Factors affecting tuberculosis retreatment defaults in Nanded, India.  

PubMed

This study was carried out to determine factors affecting tuberculosis retreatment defaults in Nanded, India. All patients registered as tuberculosis retreatment cases (n = 107 excluding deaths during treatment) were interviewed by home visits. Their sociodemographic characteristics and treatment history were recorded and later compared with their treatment outcomes. Among the patients registered for re-treatment of tuberculosis (n = 112), 24 (21.4%) defaulted on treatment. The rate of default was 25.8% among those who had previously defaulted on treatment. Those who were employed, illiterate and alcoholics were 3.5, 3.5 and 3.4 times more likely to default, respectively, than others; these differences were significant. PMID:21073036

Bhagat, Vijay Manohar; Gattani, Prakash Laxminarayan

2010-09-01

226

Factors affecting characterization of bulk high-temperature superconductors  

SciTech Connect

Three major factors affect the characterization of bulk high-temperature superconductors in terms of their levitation properties during interaction with permanent magnets. First, the appropriate parameter for the permanent magnet is internal magnetization, not the value of the magnetic field measured at the magnet`s surface. Second, although levitation force grows with superconductor thickness and surface area, for a given permanent magnet size, comparison of levitation force between samples is meaningful when minimum values are assigned to the superconductor size parameters. Finally, the effect of force creep must be considered when time-averaging the force measurements. In addition to levitational force, the coefficient of friction of a levitated rotating permanent magnet may be used to characterize the superconductor.

Hull, J.R. [Argonne National Lab., IL (United States). Energy Technology Div.

1997-11-01

227

Multilevel factors affecting quality: examples from the cancer care continuum.  

PubMed

The complex environmental context must be considered as we move forward to improve cancer care and, ultimately, patient and population outcomes. The cancer care continuum represents several care types, each of which includes multiple technical and communication steps and interfaces among patients, providers, and organizations. We use two case scenarios to 1) illustrate the variability, diversity, and interaction of factors from multiple levels that affect care quality and 2) discuss research implications and provide hypothetical examples of multilevel interventions. Each scenario includes a targeted literature review to illustrate contextual influences upon care and sets the stage for theory-informed interventions. The screening case highlights access issues in older women, and the survivorship case illustrates the multiple transition challenges faced by patients, families, and organizations. Example interventions show the potential gains of implementing intervention strategies that work synergistically at multiple levels. While research examining multilevel intervention is a priority, it presents numerous study design, measurement, and analytic challenges. PMID:22623591

Zapka, Jane; Taplin, Stephen H; Ganz, Patricia; Grunfeld, Eva; Sterba, Katherine

2012-05-01

228

Factors Affecting Furfural as a Nematicide on Turf  

PubMed Central

Recently a furfural nematicide Multiguard Protect EC was launched for use on turfgrasses in the United States. A series of greenhouse experiments were conducted to determine the concentration and exposure time required for this formulation to irreversibly affect Belonolaimus longicaudatus, and to study factors that might affect the practicality of furfural use in turfgrass systems. One experiment exposed B. longicaudatus to increasing concentrations of furfural (0 to 990 ppm) in vitro for either 24 or 48 hr, followed by inoculation onto bermudagrass. A second experiment evaluated effects of exposure of B. longicaudatus to increasing concentrations of furfural in soil solution on bermudagrass with or without an organic thatch layer. A third experiment evaluated effects on B. longicaudatus of increasing concentrations of furfural applied as a spray treatment to creeping bentgrass. Results from the in vitro exposure experiment found decreasing numbers of B. longicaudatus with increasing furfural concentration beginning with the lowest concentration tested (270 ppm). Belonolaimus longicaudatus were virtually eliminated with furfural concentrations ? 720 ppm. Similarly, exposure to increasing concentration of furfural in soil solution resulted in increasing reduction in numbers of B. longicaudatus. Presence of thatch slightly reduced the population density of B. longicaudatus. Spray application of furfural only reduced numbers of B. longicaudatus at the two highest rates (3,600 and 4,950 ppm). PMID:24379484

Luc, J. E.; Crow, W. T.

2013-01-01

229

Factors affecting furfural as a nematicide on turf.  

PubMed

Recently a furfural nematicide Multiguard Protect EC was launched for use on turfgrasses in the United States. A series of greenhouse experiments were conducted to determine the concentration and exposure time required for this formulation to irreversibly affect Belonolaimus longicaudatus, and to study factors that might affect the practicality of furfural use in turfgrass systems. One experiment exposed B. longicaudatus to increasing concentrations of furfural (0 to 990 ppm) in vitro for either 24 or 48 hr, followed by inoculation onto bermudagrass. A second experiment evaluated effects of exposure of B. longicaudatus to increasing concentrations of furfural in soil solution on bermudagrass with or without an organic thatch layer. A third experiment evaluated effects on B. longicaudatus of increasing concentrations of furfural applied as a spray treatment to creeping bentgrass. Results from the in vitro exposure experiment found decreasing numbers of B. longicaudatus with increasing furfural concentration beginning with the lowest concentration tested (270 ppm). Belonolaimus longicaudatus were virtually eliminated with furfural concentrations ? 720 ppm. Similarly, exposure to increasing concentration of furfural in soil solution resulted in increasing reduction in numbers of B. longicaudatus. Presence of thatch slightly reduced the population density of B. longicaudatus. Spray application of furfural only reduced numbers of B. longicaudatus at the two highest rates (3,600 and 4,950 ppm). PMID:24379484

Luc, J E; Crow, W T

2013-12-01

230

Investigation of factors affecting asphalt pavement recycling and asphalt compatibility  

SciTech Connect

Both economic and environmental factors dictate that asphalt pavement be recycled. Many recycling projects have been completed using a variety of recycling additives, but little work has been done on the physiochemical aspects of pavement recycling. The present exploratory study was undertaken to better define the physiochemical variables of recycling. Objectives of the present study include: (1) to determine if molecular structuring in the asphalt binder could be observed in oxidized (air-aged) asphalt-aggregate briquets, and if so, how was structuring affected during briquits, and if so, how was structuring affected during briquet recycling and (2) to determine if recycling agents penetrate the strongly adsorbed asphalt layer on the aggregate surface. Differences were seen in asphalt component compatibility as judged by the state of peptization parameters. In extreme cases the values of the parameters correlated with properties of asphalts of known compatibility; however, a relationship between the parameters determined on a series of asphalts in pavements was not established. The parameters might be useful in evaluating additives for pavement recycling; however, more systems need to be studied to fully assess their potential usefulness. Finally, the parameters need to be correlated with performance-related measurements such as asphalt rheological and mix properties. Examination of the parameters and their changes on asphalt oxidative aging may also be informative with regard to asphalt durability inasmuch as oxidation-induced changes are a major cause of asphalt pavement failure.

Venable, R.L.; Petersen, J.C.; Robertson, R.E.; Plancher, H.

1983-03-01

231

Environmental factors affecting Galaxy Morphology - a study using COSMOS  

NASA Astrophysics Data System (ADS)

According to our current understanding, galaxy shapes and morphologies should depend on various factors such as the local environment. Realistic image simulations for calibration of weak lensing analysis methods that use training samples from the Hubble Space Telescope can therefore be affected by these trends, due to the limited volume of the universe that has been surveyed by Hubble. I will show how redshift slices in a volume-limited subsample of COSMOS can be classified as overdense or underdense (or neither), and how the statistical properties of various morphological parameters such as ellipticity, Sersic n, bulge-to-total ratio and color differ in these bins. This study requires a careful distinction between environment effects from large-scale structure, which we do not wish to include in simulations, and general trends in the galaxy population with redshift. We conclude with some guidance for how upcoming surveys can use COSMOS data as the basis for weak lensing simulations without having their conclusions overly affected by cosmic variance.

Jayaraman, Arun; Mandelbaum, Rachel; Lackner, Claire

2014-06-01

232

Ecological Factors Affecting Efficiency and Health in Warships*  

PubMed Central

The environment of those who live and work in warships is closely related to the way the ships are built and employed. In stating the requirements for the atmosphere between decks the emphasis has swung during the past 50 years from the need for controlling the chemical constituents to the control of the factors which comprise the thermal environment, and now, with the advent of the nuclear-powered submarine, to the need for achieving, as nearly as possible, complete physical, chemical, and microbiological control. Between 1944 and 1953 the thermal factors between decks were investigated in a series of studies carried out in H.M. Ships. The average effective temperatures on the mess decks and in the work places of 11 ships in the Eastern Fleet in 1944 exceeded 84°F. (28·9°C.). In compartments where radiant heat was an added factor the average corrected effective temperature levels were 1° or 2°F. (0·55-1·1°C.) higher than the corresponding effective temperatures. The effects of climatic conditions on naval personnel were investigated by psychological studies to determine the levels of warmth at which performance deteriorated; by physiological experiments to show the levels of warmth at which the collapse of men working at different work rates might be expected; by comfort surveys in ships and on shore to determine the levels of warmth at which the majority enjoyed optimum comfort; and by relating the monthly incidence of the common causes of ill-health to the average monthly upper-deck temperature as recorded at noon each day in order to determine the temperature level above which sickness increased. It was concluded that the upper desirable level of warmth to consider when designing ships for hot climates was an effective temperature of 78°F. (25·5°C.). As it is usually impracticable in many compartments to achieve temperatures below 78°F. (25·5°C.) in the tropics without the generous application of air cooling, attention was then directed to the associated effects on the chemical and bacterial constituents of restricting air supplies, an unavoidable feature of most air conditioning systems, and to defining the permissible lower limits for fresh air requirements. The nuclear submarine with its capacity for remaining submerged for very long periods raises new problems relating to life in a confined space and involving very prolonged exposure to the submarine environment. These problems have still to be investigated. PMID:13726470

Ellis, F. P.

1960-01-01

233

How do motivational regulation strategies affect achievement: Mediated by effort management and moderated by intelligence  

Microsoft Academic Search

It was assumed that the effect of motivational regulation strategies on achievement is mediated by effort management and moderated by intelligence. A sample of 231 11th and 12th grade German high-school students provided self-reports on their use of motivational regulation strategies and effort management and completed an intelligence test. Students' half-year grades (GPA) were assessed six months later. As expected,

Malte Schwinger; Ricarda Steinmayr; Birgit Spinath

2009-01-01

234

Reading enjoyment amongst non-leisure readers can affect achievement in secondary school  

PubMed Central

This study aimed to evaluate determinants of differences in leisure reading behavior and school achievement. We specifically examined reading enjoyment, mental imagery, and sex as predictors in a large, age-homogeneous sample of Dutch secondary school students (N = 1,071). Results showed that the prevalence of leisure reading was low in both the lower, pre-vocational track (19.5%) and the higher, pre-academic track (32.5%). Boys read even less than girls. Almost all leisure readers enjoyed reading and engaged in mental imagery, i.e., the propensity “to see images” of a written story in the mind’s eye. Overall, boys who did not like to read for leisure had the poorest school performance. Non-leisure readers who reported that they enjoyed reading got higher school grades in the higher educational track. In the lower track, this was the case for girls. Our study findings imply that reading promotion programs should take into account individual differences in sex, achievement level, and reading enjoyment when aiming to decrease the academic achievement gap. PMID:25386154

Mol, Suzanne E.; Jolles, Jelle

2014-01-01

235

Factors Affecting Mortality in Elderly Patients Hospitalized for Nonmalignant Reasons  

PubMed Central

Elderly population is hospitalized more frequently than young people, and they suffer from more severe diseases that are difficult to diagnose and treat. The present study aimed to investigate the factors affecting mortality in elderly patients hospitalized for nonmalignant reasons. Demographic data, reason for hospitalization, comorbidities, duration of hospital stay, and results of routine blood testing at the time of first hospitalization were obtained from the hospital records of the patients, who were over 65 years of age and hospitalized primarily for nonmalignant reasons. The mean age of 1012 patients included in the study was 77.8 ± 7.6. The most common reason for hospitalization was diabetes mellitus (18.3%). Of the patients, 90.3% had at least a single comorbidity. Whilst 927 (91.6%) of the hospitalized patients were discharged, 85 (8.4%) died. Comparison of the characteristics of the discharged and dead groups revealed that the dead group was older and had higher rates of poor general status and comorbidity. Differences were observed between the discharged and dead groups in most of the laboratory parameters. Hypoalbuminemia, hypertriglyceridemia, hypopotassemia, hypernatremia, hyperuricemia, and high TSH level were the predictors of mortality. In order to meet the health necessities of the elderly population, it is necessary to well define the patient profiles and to identify the risk factors. PMID:25147737

Ayaz, Teslime; Rak?c?, Halil

2014-01-01

236

Factors affecting couples' adjustment to recurrent breast cancer.  

PubMed

The purpose of this study was to identify factors that affect the adjustment of women and their husbands to recurrent breast cancer and to examine the mutual effect that partners have on one another. An exploratory study was designed to determine the relationship between four predictor variables (support, uncertainty, symptom distress, hopelessness) and women's and husbands' adjustments. The sample consisted of 155 subjects; 81 women, who had a first recurrence of breast cancer, and 74 husbands. Multiple standardized instruments with established reliability and validity were used to measure the study variables. The independent variables were measured with the Social Support Questionnaire, the Mishel Uncertainty in Illness Scale, McCorkle Symptom Distress Scale and the Beck Hopelessness Scale. The dependent variable, psychosocial adjustment, was measured with the Brief Symptom Inventory and the Psychosocial Adjustment to Illness Scale. The results indicated that the independent variables accounted for 43% of the variance in women's distress and 32% of the variance in husbands' distress; they also explained 66% of the variance in women's role adjustment problems and 57% of the variance in husbands' role problems. Symptom distress and hopelessness accounted for the most variance in women's and husbands' levels of adjustment. A significant and positive relationship was found between women's and husbands' adjustment scores, indicating that partners have a mutual influence on one another. The findings suggest that there are multiple factors that influence couples' adjustment to recurrent breast cancer, and that these factors need to be taken into consideration when planning care for women and their partners. PMID:7667674

Northouse, L L; Dorris, G; Charron-Moore, C

1995-07-01

237

Distraction by a monotube fixator to achieve limb lengthening: predictive factors for tibia trauma  

PubMed Central

Background Management of post trauma tibia bone gap varied with orthopedic surgeons’ experience and tools available. Study aims to determine predictive factors for distraction by a monotube fixator (DMF) outcome in post tibia trauma limb length discrepancy. Methods A prospective descriptive cross sectional study of post traumatized tibia bone gap and limb length discrepancy patients at tertiary hospitals. Patient’s informed consent and institutional ethical committee approval were obtained. Bio-data, clinical and healing indexes were documented. DMF was applied for patient that met inclusion criteria. The Statistic tests used included the Chi-square, the Student’s two-tailed t test, and the Wilcox on rank-sum test when appropriate. Mantel-Haenszel Common Odds Ratio (OR) and 95% confidence intervals for poor outcome potential risk factors were recorded. Bivariate correlation and logistic regression were evaluated. Significance level was set at a p value <0.05. Results Thirty-six patients with mean age, 37.2?±?10.3 year and male/female ratio of 1:1.25 had DMF applied. Motorcycle accident accounted for 50.0% of patients and diaphyseal segment was most commonly affected 25 (69.4%). The mean bone lengthened was 10.1?±?4.0 cm (range: 5-21 cm) and mean duration of bone transport was 105.6?±?38.2 days. The means of rate of distraction, healing index and percentage of lengthening were 0.99?±?0.14 mm/day, 15.6?±?4.3 days/cm and 38.0?±?14.3 respectively. The mean follow up was 9.7 ±4.9 months (range: 2–17.0). Per operative complications varied and outcome was satisfactory in 30 (83.3%). Obesity (p <0.0001), multiple surgery (p?=?0.012) and transfusion (p?=?0.001) correlated to poor outcome. Percentage lengthening???50%, bone gap >10 cm, anemia, blood transfusion, general anesthesia administration, distraction rate >1 mm/day, osteomyelitis and prolong partial weight bearing were significant predictive factors for poor outcome in post traumatic tibia distraction. Conclusion Distraction by a monotube fixator appears effective in achieving correction >38.0% original tibia lengthening following traumatic bone gap. Predictive factors for poor outcome were useful for prognostication. PMID:23672599

2013-01-01

238

How Do the Different Types of Computer Use Affect Math Achievement?  

ERIC Educational Resources Information Center

In this study, the National Educational Longitudinal Study (ELS:2002) dataset was used and a predictive data mining technique, decision tree analysis, was implemented in order to examine which factors, in conjunction to computer use, can be used to predict high or low probability of success in high school mathematics. Specifically, this study…

Flores, Raymond; Inan, Fethi; Lin, Zhangxi

2013-01-01

239

Using the Learning Together Strategy to Affect Student Achievement in Physical Science  

NASA Astrophysics Data System (ADS)

Despite efforts mandated by national legislation, the state of Georgia has made little progress in improving Grade 5 students' standardized test scores in science, spurring the need for social change. The purpose of this quantitative causal-comparative study was to determine whether there was a significant difference in the student achievement in the conceptual understanding of science concepts in a classroom where the teacher applied the cooperative learning strategy, Learning Together, as compared to the classroom in which teacher-directed instruction was applied. The theories of positive social interdependence and social development, which posit that social interaction promotes cognitive gains, provided a framework for the study. A convenience sample of 38 students in Grade 5 participated in the 6-week study. Nineteen students received the cooperative learning strategy treatment, while 19 students did not. Pre- and post-tests were administered to students in both groups, and an analysis of variance was performed to examine differences between the 2 sample means. Results indicated that the group receiving the cooperative learning strategy scored significantly higher than did the control group receiving direct instruction. The experimental group also scored higher in vocabulary acquisition. Using the cooperative learning strategy of Learning Together could guide teachers' efforts to help students achieve excellent state-mandated test scores. Learning Together may be employed as a powerful teaching tool across grade levels and content areas, thus promoting positive gains in other state-mandated testing areas such as math, language arts, and social studies.

Campbell, Manda D.

240

Exploring individual differences as determining factors in student academic achievement in higher education  

Microsoft Academic Search

The study investigated the association and relative influence of cognitive\\/motivational and demographic factors on final degree grade point average (GPA) in a single undergraduate cohort. Although academic self-efficacy, approaches to learning, prior achievement and age all produced significant correlations with GPA, regression analysis identified prior achievement (Rchange?=?.288), age (Rchange?=?.201) and academic self-efficacy (Rchange?=?.062) as the only significant predictors of GPA.

Simon Cassidy

2011-01-01

241

Sport-related achievement motivation and alcohol outcomes: an athlete-specific risk factor among intercollegiate athletes.  

PubMed

Intercollegiate athletes report greater alcohol consumption and more alcohol-related problems than their non-athlete peers. Although college athletes share many of the same problems faced by non-athletes, there are some consequences that are unique to athletes. Studies have demonstrated that alcohol negatively affects athletic performance including increased dehydration, impeded muscle recovery, and increased risk for injury. Beyond risk factors for alcohol misuse that may affect college students in general, research has begun to examine risk factors that are unique to collegiate athletes. For example, research has found that off-season status, the leadership role, and athlete-specific drinking motives are associated with increased alcohol use. Given these findings, it is possible that other athlete-specific variables influence alcohol misuse. One such variable may be sport achievement orientation. The purpose of the current study was to examine the relationship between sport achievement orientation and alcohol outcomes. Given previous research regarding seasonal status and gender, these variables were examined as moderators. Varsity athletes (n=263) completed the Sport Orientation Questionnaire, which assesses sport-related achievement orientation on three scales (Competitiveness, Win Orientation, and Goal Orientation). In addition, participants completed measures of alcohol use and alcohol-related problems. Results indicated that Competitiveness, Win Orientation, and Goal Orientation were all significantly associated with alcohol use, but not alcohol-related problems. Moreover, these relationships were moderated by seasonal status and gender. These interactions, clinical implications, and limitations are discussed. PMID:24064192

Weaver, Cameron C; Martens, Matthew P; Cadigan, Jennifer M; Takamatsu, Stephanie K; Treloar, Hayley R; Pedersen, Eric R

2013-12-01

242

Sport-Related Achievement Motivation and Alcohol Outcomes: An Athlete-Specific Risk Factor among Intercollegiate Athletes  

PubMed Central

Intercollegiate athletes report greater alcohol consumption and more alcohol-related problems than their non-athlete peers. Although college athletes share many of the same problems faced by non-athletes, there are some consequences that are unique to athletes. Studies have demonstrated that alcohol negatively affects athletic performance including increased dehydration, impeded muscle recovery, and increased risk for injury. Beyond risk factors for alcohol misuse that may affect college students in general, research has begun to examine risk factors that are unique to collegiate athletes. For example, research has found that off-season status, the leadership role, and athlete-specific drinking motives are associated with increased alcohol use. Given these findings, it is possible that other athlete-specific variables influence alcohol misuse. One such variable may be sport achievement orientation. The purpose of the current study was to examine the relationship between sport achievement orientation and alcohol outcomes. Given previous research regarding seasonal status and gender, these variables were examined as moderators. Varsity athletes (n = 263) completed the Sport Orientation Questionnaire, which assesses sport-related achievement orientation on three scales (Competitiveness, Win Orientation, and Goal Orientation). In addition, participants completed measures of alcohol use and alcohol-related problems. Results indicated that Competitiveness, Win Orientation, and Goal Orientation were all significantly associated with alcohol use, but not alcohol-related problems. Moreover, these relationships were moderated by seasonal status and gender. These interactions, clinical implications, and limitations are discussed. PMID:24064192

Weaver, Cameron C.; Martens, Matthew P.; Cadigan, Jennifer M.; Takamatsu, Stephanie K.; Treloar, Hayley R.; Pedersen, Eric R.

2014-01-01

243

Factors Affecting Prostate Volume Estimation in Computed Tomography Images  

SciTech Connect

The aim of this study was to investigate how apex-localizing methods and the computed tomography (CT) slice thickness affected the CT-based prostate volume estimation. Twenty-eight volunteers underwent evaluations of prostate volume by CT, where the contour segmentations were performed by three observers. The bottom of ischial tuberosities (ITs) and the bulb of the penis were used as reference positions to locate the apex, and the distances to the apex were recorded as 1.3 and 2.0 cm, respectively. Interobserver variations to locate ITs and the bulb of the penis were, on average, 0.10 cm (range 0.03-0.38 cm) and 0.30 cm (range 0.00-0.98 cm), respectively. The range of CT slice thickness varied from 0.08-0.48 cm and was adopted to examine the influence of the variation on volume estimation. The volume deviation from the reference case (0.08 cm), which increases in tandem with the slice thickness, was within {+-} 3 cm{sup 3}, regardless of the adopted apex-locating reference positions. In addition, the maximum error of apex identification was 1.5 times of slice thickness. Finally, based on the precise CT films and the methods of apex identification, there were strong positive correlation coefficients for the estimated prostate volume by CT and the transabdominal ultrasonography, as found in the present study (r > 0.87; p < 0.0001), and this was confirmed by Bland-Altman analysis. These results will help to identify factors that affect prostate volume calculation and to contribute to the improved estimation of the prostate volume based on CT images.

Yang, Cheng-Hsiu [Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan (China); Wang, Shyh-Jen [Divisions of Experimental Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan (China); Institute of Biomedical Engineering, National Yang Ming University, Taipei, Taiwan (China); Lin, Alex Tong-Long [Divisions of Urology, Department of Surgery, Taipei Veterans General Hospital, Taipei, Taiwan (China); Lin, Chao-An, E-mail: calin@pme.nthu.edu.t [Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan (China)

2011-04-01

244

Undergraduate nursing students' perceptions regarding factors that affect math abilities  

NASA Astrophysics Data System (ADS)

A review of the nursing literature reveals many undergraduate nursing students lack proficiency with basic mathematical skills, those necessary for safe medication preparation and administration. Few studies exploring the phenomenon from the undergraduate nursing student perspective are reported in the nursing literature. The purpose of this study was to explore undergraduate nursing students’ perceptions of math abilities, factors that affect math abilities, the use of math in nursing, and the extent to which specific math skills were addressed throughout a nursing curriculum. Polya’s Model for Problem Solving and the Bloom’s Taxonomy of Educational Objectives, Affective Domain served as the theoretical background for the study. Qualitative and quantitative methods were utilized to obtain data from a purposive sample of undergraduate nursing students from a private university in western Pennsylvania. Participants were selected based on the proficiency level with math skills, as determined by a score on the Elsevier’s HESI™ Admission Assessment (A2) Exam, Math Portion. Ten students from the “Excellent” benchmark group and eleven students from the “Needing Additional Assistance or Improvement” benchmark group participated in one-on-one, semi-structured interviews, and completed a 25-item, 4-point Likert scale survey that rated confidence levels with specific math skills and the extent to which these skills were perceived to be addressed in the nursing curriculum. Responses from the two benchmark groups were compared and contrasted. Eight themes emerged from the qualitative data. Findings related to mathematical approach and confidence levels with specific math skills were determined to be statistically significant.

Pyo, Katrina A.

245

Gender Differences in Cognitive and Noncognitive Factors Related to Achievement in Organic Chemistry  

NASA Astrophysics Data System (ADS)

For many college students in the sciences, organic chemistry poses a difficult challenge. Indeed, success in organic chemistry has proven pivotal in the careers of a vast number of students in a variety of science disciplines. A better understanding of the factors that contribute to achievement in this course should contribute to efforts to increase the number of students in the science disciplines. Further, an awareness of gender differences in factors associated with achievement should aid efforts to bolster the participation of women in chemistry and related disciplines. Using a correlation research design, the individual relationships between organic chemistry achievement and each of several cognitive variables and noncognitive variables were assessed. In addition, the relationships between organic chemistry achievement and combinations of these independent variables were explored. Finally, gender- and instructor-related differences in the relationships between organic chemistry achievement and the independent variables were investigated. Cognitive variables included the second-semester general chemistry grade, the ACT English, math, reading, and science-reasoning scores, and scores from a spatial visualization test. Noncognitive variables included anxiety, confidence, effectance motivation, and usefulness. The second-semester general chemistry grade was found to be the best indicator of performance in organic chemistry, while the effectiveness of other predictors varied between instructors. In addition, gender differences were found in the explanations of organic chemistry achievement variance provided by this study. In general, males exhibited stronger correlations between predictor variables and organic chemistry achievement than females.

Turner, Ronna C.; Lindsay, Harriet A.

2003-05-01

246

Factors affecting the estimate of primary production from space  

NASA Technical Reports Server (NTRS)

Remote sensing of primary production in the euphotic zone has been based mostly on visible-band and water-leaving radiance measured with the coastal zone color scanner. There are some robust, simple relationships for calculating integral production based on surface measurements, but they also require knowledge for photoadaptive parameters such as maximum photosynthesis which currently cannot be obtained from spave. A 17,000-station data set is used to show that space-based estimates of maximum photosynthesis could improve predictions of psi, the water column light utiliztion index, which is an important term in many primary productivity models. Temperature is also examined as a factor for predicting hydrographic structure and primary production. A simple model is used to relate temperature and maximum photosynthesis; the model incorporates (1) the positive relationship between maximum photosynthesis and temperature and (2) the strongly negative relationship between temperature and nitrate in the ocean (which directly affects maximum growth rates via nitrogen limitation). Since these two factors relate to carbon and nitrogen, 'balanced carbon/nitrogen assimilation' was calculated using the Redfield ratio, It is expected that the relationship between maximum balanced carbon assimilation versus temperature is concave-down, with the peak dependent on nitrate uptake kinetics, temperature-nitrate relationships,a nd the carbon chlorophyll ration. These predictions were compared with the sea truth data. The minimum turnover time for nitrate was also calculated using this approach. Lastly, sea surface temperature gradients were used to predict the slope of isotherms (a proxy for the slope of isopycnals in many waters). Sea truth data show that at size scales of several hundred kilometers, surface temperature gradients can provide information on the slope of isotherms in the top 200 m of the water column. This is directly relevant to the supply of nutrients into the surface mixed layer, which is useful for predicting integral biomass and primary production.

Balch, W. M.; Byrne, C. F.

1994-01-01

247

Elimination of error factors, affecting EM and seismic inversions  

NASA Astrophysics Data System (ADS)

EM or seismic data inversions are affected by many factors, which may conceal the responses from target objects. We address here the contributions from the following effects: 1) Pre-survey spectral sensitivity factor. Preliminary information about a target layer can be used for a pre-survey estimation of the required frequency domain and signal level. A universal approach allows making such estimations in real time, helping the survey crew to optimize an acquisition process. 2) Preliminary velocities' identification and their dispersions for all the seismic waves, arising in a stratified media became a fast working tool, based on the exact analytical solution. 3) Vertical gradients effect. For most layers the log data scatter, requiring an averaging pattern. A linear gradient within each representative layer is a reasonable compromise between required inversion accuracy and forward modeling complexity. 4) An effect from the seismic source's radial component becomes comparable with vertical part for explosive sources. If this effect is not taken into account, a serious modeling error takes place. This problem has an algorithmic solution. 5) Seismic modeling is often based on different representations for a source formulated either for a force or to a potential. The wave amplitudes depend on the formulation, making an inversion result sensitive to it. 6) Asymmetrical seismic waves (modified Rayleigh) in symmetrical geometry around liquid fracture come from S-wave and merge with the modified Krauklis wave at high frequencies. A detail analysis of this feature allows a spectral range optimization for the proper wave's extraction. 7) An ultrasonic experiment was conducted to show different waves appearance for a super-thin water-saturated fracture between two Plexiglas plates, being confirmed by comparison with theoretical computations. 8) A 'sandwich effect' was detected by comparison with averaged layer's effect. This opens an opportunity of the shale gas direct identification from the surface measurements.

Magomedov, M.; Zuev, M. A.; Korneev, V. A.; Goloshubin, G.; Zuev, J.; Brovman, Y.

2013-12-01

248

Factors affecting the diffusion of online end user literature searching.  

PubMed Central

OBJECTIVES: The aim of this study was to identify factors that affect diffusion of usage of online end user literature searching. Fifteen factors clustered into three attribute sets (innovation attributes, organizational attributes, and marketing attributes) were measured to study their effect on the diffusion of online searching within institutions. METHODS: A random sample of sixty-seven academic health sciences centers was selected and then 1,335 library and informatics staff members at those institutions were surveyed by mail with electronic mail follow-up. Multiple regression analysis was performed. RESULTS: The survey yielded a 41% response rate with electronic mail follow-up being particularly effective. Two dependent variables, internal diffusion (spread of diffusion) and infusion (depth of diffusion), were measured. There was little correlation between them, indicating they measured different things. Fifteen independent variables clustered into three attribute sets were measured. The innovation attributes set was significant for both internal diffusion and infusion. Significant individual variables were visibility for internal diffusion and image enhancement effects (negative relation) as well as visibility for infusion (depth of diffusion). Organizational attributes were also significant predictors for both dependent variables. No individual variables were significant for internal diffusion. Communication, management support (negative relation), rewards, and existence of champions were significant for infusion. Marketing attributes were not significant predictors. CONCLUSIONS: Successful diffusion of online end user literature searching is dependent on the visibility of the systems, communication among, rewards to, and peers of possible users who promote use (champions). Personal image enhancement effects have a negative relation to infusion, possibly because the use of intermediaries is still seen as the more luxurious way to have searches done. Management support also has a negative relation to infusion, perhaps indicating that depth of diffusion can increase despite top-level management actions. PMID:9934530

Ash, J S

1999-01-01

249

Assistance and possibilities: Analysis of learning-related factors affecting the online learning satisfaction of underprivileged students  

Microsoft Academic Search

Online learning is used for different purposes such as the actualization of equal opportunity in education or excellence in education. In Korea, nationwide online learning has been launched since 2005 to boost the self-directed learning capabilities and academic achievement of underprivileged students. The purpose of this study was to examine factors affecting the online learning satisfaction of underprivileged students. The

JaMee Kim; WonGyu Lee

2011-01-01

250

Factors Affecting Hemodialysis Patients' Satisfaction with Their Dialysis Therapy  

PubMed Central

Aim. To assess the degree of satisfaction among hemodialysis patients and the factors influencing this satisfaction. Methods. Patients were recruited from 3 Saudi dialysis centers. Demographic data was collected. Using 1 to 10 Likert scale, the patients were asked to rate the overall satisfaction with, and the overall impact of, their dialysis therapy on their lives and to rate the effect of the dialysis therapy on 15 qualities of life domains. Results. 322 patients were recruited (72.6% of the total eligible patients). The mean age was 51.7 years (±15.4); 58% have been on dialysis for >3 years. The mean Charlson Comorbidity Index was 3.2 (±2), and Kt/V was 1.3 (±0.44). The mean satisfaction score was (7.41 ± 2.75) and the mean score of the impact of the dialysis on the patients' lives was 5.32 ± 2.55. Male patients reported worse effect of dialysis on family life, social life, energy, and appetite. Longer period since the commencement of dialysis was associated with adverse effect on finances and energy. Lower level of education was associated with worse dialysis effect on stress, overall health, sexual life, hobbies, and exercise ability. Conclusion. The level of satisfaction is affected by gender, duration on dialysis, educational level, and standard of care given. PMID:21152200

Al Eissa, M.; Al Sulaiman, M.; Jondeby, M.; Karkar, A.; Barahmein, M.; Shaheen, F. A. M.; Al Sayyari, A.

2010-01-01

251

Hydrologic and geologic factors affecting land subsidence near Eloy, Arizona  

USGS Publications Warehouse

At an extensometer site near Eloy, Arizona, 1.09 m of land subsidence caused by groundwater withdrawal were measured by leveling in 1965-83. The extensometer, which partially penetrates the compressible sediments, recorded 0.82 m of compaction during the same period. By use of a one-dimensional model, cumulative daily compaction values were simulated to within an average of 0.0038 m of the actual values. Land subsidence was simulated to within an average of 0.011 m using the same model in conjunction with geohydrologic data of the sediments below the extensometer. A highly compressible clay layer that is 24.38 m thick was partially penetrated by the extensometer. The simulation indicated that the layer was driving compaction and land subsidence linearly with respect to time, despite the presence of other compacting layers. Because of its thickness and compressibility, this layer can be expected to continue to compact after applied vertical stresses have stopped increasing and other layers have stopped compacting. Sensitivity analysis indicated that the compressibility of fine-grained sediments (expressed as specific storage) is one of the factors to which compact is most sensitive. Preconsolidation stress and hydraulic conductivity also affect land subsidence near Eloy, Arizona. (Author 's abstract)

Epstein, V. J.

1987-01-01

252

Factors affecting the bacteriological contamination of commercial washing machines.  

PubMed

Wash water from self-service washing machines in three commercial launderettes of Bologna (Italy) were examined to verify which factors affect their bacterial contamination and to determine which procedures in the laundering process have the most significant effects on the removal of bacteria. Four washing formulas were compared: a delicates cycle (programmed temperature 25-30 degrees C; actual temperature: 28-31 degrees C); a whites cycle (programmed temperature: 80-90 degrees C; actual temperature: 50-57.5 degrees C); a delicates cycle with the addition of an oxygen-based bleach safe for delicate fabrics and a whites cycle with the addition of an oxygen-based bleach. Bacterial contamination of washing machines was higher in the launderette most heavely used, and, furthermore, it was in relation with the washing temperature and the use of bleaches. The low temperature laundering cycle (20-30 degrees C) did not guarantee elimination of bacterial content from either the inside of the washing machine or from the fabric being washed. Washing with water at a higher temperature, of about 55 degrees C, or adding an oxygen-based bleach to the low temperature cycle did ensure a significant reduction in bacterial recovery from water samples and fabrics, but did not prevent bacteria such as P. aeruginosa from surviving inside the washing machine. Only the addition of bleaches to the hot water program ensured the almost total elimination of bacteria and also guaranteed their elimination from protected parts of the drum. PMID:9638885

Legnani, P P; Leoni, E

1997-10-01

253

Factors Affecting Fiber Design and Selection for Advanced Ceramic Composites  

NASA Technical Reports Server (NTRS)

Structural Ceramic Matrix Composites (CMC) have the potential for application in the hot sections of a variety of advanced propulsion and power systems. It is therefore necessary to have a general understanding of the key properties of CMC and Reinforcing Fibers. This need is complicated by the wide variety of application conditions and structural requirements for which CMC's will be used, and the proprietary concerns of the design engineers. CMC's, to be successful, must display properties which are competitive with the currently used high temperature structural materials: (i.e., Iron and Nickel based superalloys, tough monolithic ceramics, and carbon/carbon composites.) Structural CMC offers several areas of competition: (1) performance, (i.e., strength and strength retention, creep resistance, and thermal conductivity), (2) reliability (i.e., environmental durability, and damage tolerance) and (3) processing (i.e., capability for varying sizes and shapes, and cost effective fabrication). The presentation further discusses, and illustrates with fiber and CMC data the key fiber properties and processes which strongly affect each CMC area of competition. The presentation further discusses the current knowledge of the important factors which control the key fiber properties. A design guidelines for the optimum fiber characteristics is developed, and the currently available fibers are compared against those guidelines.

DiCarlo, James A.

1998-01-01

254

Factors affecting recruitment to an observational multicentre palliative care study  

PubMed Central

Objectives To identify those factors which adversely affected recruitment to a large multicentre palliative care study. Methods Patient accrual to a multicentre, observational, palliative care study was monitored at three critical junctures in the research process. (1) Eligibility—did the patient fulfil the study entry criteria? (2) Accessibility—was it possible to access the patient to be able to inform them about the study? (3) Consent—did the patient agree to participate in the study? The reasons why patients were ineligible, inaccessible or refused consent were recorded. Results 12?412 consecutive referrals to participating clinical services were screened for study inclusion of whom 5394 (43%) were deemed to be ineligible. Of the remaining patients 4617/7018 (66%) were inaccessible to the research team. The most common reasons being precipitous death, ‘gatekeeping’ by clinical staff or rapid discharge. Of the 2410 patients who were visited by the research team and asked to participate in the study 1378 (57%) declined. Overall 8.2% (1018/12?412) of patients screened participated in the study. There were significant differences in recruitment patterns between hospice inpatient units, hospital support and community palliative care teams. Conclusions Systematic monitoring and analysis of patient flows through the clinical trial accrual process provided valuable insights about the reasons for failure to recruit patients to a clinical trial and may help to improve recruitment in future studies. PMID:24644750

Stone, Patrick C; Gwilliam, Bridget; Keeley, Vaughan; Todd, Chris; Kelly, Laura C; Barclay, Stephen

2013-01-01

255

[Factors affecting young mothers' social and family relations after pregnancy].  

PubMed

This study aimed to analyze factors affecting social and family relations of young mothers in the two-year postpartum period. This was a cross-sectional study of 464 young mothers in Teresina, Piauí State, Brazil, who gave birth during the first four months of 2006 in six maternity hospitals. Data were collected from May to December 2008 after identifying the young women in the maternity hospital records. Multivariate analysis used multinomial logistic regression. Married young women (including those in common-law marriages) were 80% less likely to have negative relations with their partners. Participants 20 to 22 years of age related 2.4 times better with their mothers than those 17 to 19 years of age. Young women not attending school showed 97% higher odds of negative changes in relations with friends, and Catholics were 50% less likely to have worse relations with friends following childbirth. Measures are needed to orient individuals living with young mothers (especially their partners and mothers) concerning the importance of support in this phase of life, particularly encouraging them to stay in school. PMID:24936816

Maranhão, Thatiana Araújo; Gomes, Keila Rejane Oliveira; Silva, José Mário Nunes da

2014-05-01

256

Knowledge Elecitation for Factors Affecting Taskforce Productivity using a Questionnaire  

E-print Network

In this paper we present the process of Knowledge Elicitation through a structured questionnaire technique. This is an effort to depict a problem domain as Investigation of factors affecting taskforce productivity. The problem has to be solved using the expert system technology. This problem is the very first step how to acquire knowledge from the domain experts. Knowledge Elicitation is one of the difficult tasks in knowledge base formation which is a key component of expert system. The questionnaire was distributed among 105 different domain experts of Public and Private Organizations (i.e. Education Institutions, Industries and Research etc) in Pakistan. A total 61 responses from these experts were received. All the experts were well qualified, highly experienced and has been remained the members for selection committees a number of times for different posts. Facts acquired were analyzed from which knowledge was extracted and elicited. A standard shape was given to the questionnaire for further research as a knowledge learning tool. This tool may be used as a standard document for selection and promotion of employees.

Muhammad Sohail; Abdur Rashid Khan

2009-07-30

257

Exposure to Violence and Achievement Motivation Beliefs: Moderating Roles of Cultural-Ecological Factors  

Microsoft Academic Search

This study conceptualized individual-level cultural-ecological factors (racial identity and religious coping) as adolescent\\u000a assets that would promote achievement motivation and reduce negative associations between community violence exposure and\\u000a motivation. Our examination of African American adolescents (N = 380) from urban contexts indicated a negative association between community violence exposure and motivation beliefs (academic\\u000a self-efficacy and academic importance). Accounting for socioeconomic factors and

Sheretta T. Butler-BarnesTabbye; Tabbye M. Chavous; Marc A. Zimmerman

2011-01-01

258

FACTORS AFFECTING THE COLLECTION EFFICIENCY OF ATMOSPHERIC SULFATE  

EPA Science Inventory

Factors that influence the collection and measurement of atmospheric sulfate were investigated. Special emphasis was given to those factors that cause the formation of extraneous sulfate during the sampling process. The factors considered were filter type and composition, ambient...

259

Investigation of locally resonant absorption and factors affecting the absorption band of a phononic glass  

NASA Astrophysics Data System (ADS)

We experimentally and theoretically investigated the mechanisms of acoustic absorption in phononic glass to optimize its properties. First, we experimentally studied its locally resonant absorption mechanism. From these results, we attributed its strong sound attenuation to its locally resonant units and its broadband absorption to its networked structure. These experiments also indicated that the porosity and thickness of the phononic glass must be tuned to achieve the best sound absorption at given frequencies. Then, using lumped-mass methods, we studied how the absorption bandgaps of the phononic glass were affected by various factors, including the porosity and the properties of the coating materials. These calculations gave optimal ranges for selecting the porosity, modulus of the coating material, and ratio of the compliant coating to the stiff matrix to achieve absorption bandgaps in the range of 6-30 kHz. This paper provides guidelines for designing phononic glasses with proper structures and component materials to work in specific frequency ranges.

Chen, Meng; Jiang, Heng; Feng, Yafei; Wang, Yuren

2014-07-01

260

Factors Associated with Middle-School Mathematics Achievement in Greece: The Case of Algebra  

ERIC Educational Resources Information Center

This study presents a subset of factors and their association with students' achievement in school algebra. The participants were students who had enrolled in 2007 at the ninth year of Greek public education (third year of middle school). A total of 735 students participated (aged 14-15 years) from 37 public secondary schools. The sample…

Skouras, A. S.

2014-01-01

261

Factors Predicting Science Achievement of Immigrant and Non-Immigrant Students: A Multilevel Analysis  

ERIC Educational Resources Information Center

This study, employing hierarchical linear modeling (HLM), sought to investigate the student-level and school-level factors associated with the science achievement of immigrant and non-immigrant students among a national sample of 22,646 students from 896 schools in Canada. While student background characteristics such as home language, family…

Areepattamannil, Shaljan; Kaur, Berinderjeet

2013-01-01

262

The Role of Family Factors and School Achievement in the Progression of Adolescents to Regular Smoking  

ERIC Educational Resources Information Center

This study examines whether parental smoking and single parenting were related to adolescents' school achievement and anti-smoking parental practices as well as how these factors predicted later smoking. The sample comprised 1163 Finnish students in Grades 7 through 9. Results show that at the beginning of the seventh grade, parental smoking and…

Pennanen, M.; Vartiainen, E.; Haukkala, A.

2012-01-01

263

Risk and Protective Factors for Educational Achievement among Serious Offending Girls  

ERIC Educational Resources Information Center

Using longitudinal data, this analysis: (1) documented educational outcomes for serious offending girls, and (2) identified risk and protective factors associated with academic achievement in mid-adolescence and degree attainment by early adulthood. In mid-adolescence, girls performed nearly one standard deviation below the population mean on…

Oudekerk, Barbara A.; Chauhan, Preeti; Reppucci, N. Dickon

2012-01-01

264

Negative School Factors and Their Influence on Math and Science Achievement in TIMSS 2003  

ERIC Educational Resources Information Center

The aim of the present study was to conduct an analysis of TIMSS (Trends in International Mathematics and Science Study) 2003 database and to determine how negative school factors, such as aggression, are associated to the mathematical and science achievement of students. The analyses were conducted separately for national and international data.…

Perse, Tina Vrsnik; Kozina, Ana; Leban, Tina Rutar

2011-01-01

265

Parental Characteristics, Ecological Factors, and the Academic Achievement of African American Males  

ERIC Educational Resources Information Center

Parental characteristics, ecological factors, and the academic achievement of African American male high school students were examined. One hundred fifty-three 11th and 12th grade African American males completed the Parenting Style Index (Steinberg, Lamborn, Darling, Mounts, & Dornbusch, 1994) and a demographic questionnaire. Results…

Hines, Erik M.; Holcomb-McCoy, Cheryl

2013-01-01

266

Being Labeled "Nerd": Factors that Influence the Social Acceptance of High-Achieving Students  

ERIC Educational Resources Information Center

The present investigation addresses the question of whether certain factors can protect high-achieving students at risk for being labeled a nerd against devaluation. In 2 studies, 125 and 317 students from Grade 8 evaluated vignettes describing average students and students who were called "nerds." Results indicate that being modest about good…

Rentzsch, Katrin; Schutz, Astrid; Schroder-Abe, Michela

2011-01-01

267

Computer Science Majors: Sex Role Orientation, Academic Achievement, and Social Cognitive Factors  

ERIC Educational Resources Information Center

This study examined the sex role orientations endorsed by 188 male and female students majoring in computer science, a male-dominated college degree program. The relations among sex role orientation and academic achievement and social cognitive factors influential in career decision-making self-efficacy were explored. Findings revealed that…

Brown, Chris; Garavalia, Linda S.; Fritts, Mary Lou Hines; Olson, Elizabeth A.

2006-01-01

268

Educational Resilience: The Relationship between School Protective Factors and Student Achievement  

ERIC Educational Resources Information Center

Educators are increasingly pressured to raise standardized test scores. Test-focused school leaders, however, may neglect school climate factors associated with positive student development and increased student achievement. The California Healthy Kids Survey (CHKS) and its Resilience Youth Development Module (RYDM) represent a research-based,…

Banatao, Eric J.

2011-01-01

269

Relationship Between Psychosocial Factors and Academic Achievement among African American Students.  

ERIC Educational Resources Information Center

Surveyed African American high school students to determine psychosocial factors associated with high school achievement (e.g., community support, academic motivation, social support, and students' methods of handling unfair treatment). After controlling for gender and absenteeism, only the method of handling unfair treatment positively related to…

Powell, Cecil L.; Arriola, Kimberly R. Jacob

2003-01-01

270

Variations in Reading Achievement across 14 Southern African School Systems: Which Factors Matter?  

ERIC Educational Resources Information Center

In this study the authors employed a multilevel analysis procedure in order to examine the pupil and school levels factors that contributed to variation in reading achievement among Grade 6 primary school pupils in 14 southern African school systems (Botswana, Kenya, Lesotho, Malawi, Mauritius, Mozambique, Namibia, Seychelles, South Africa,…

Hungi, Njora; Thuku, Florence W.

2010-01-01

271

Exploring Individual Differences as Determining Factors in Student Academic Achievement in Higher Education  

ERIC Educational Resources Information Center

The study investigated the association and relative influence of cognitive/motivational and demographic factors on final degree grade point average (GPA) in a single undergraduate cohort. Although academic self-efficacy, approaches to learning, prior achievement and age all produced significant correlations with GPA, regression analysis identified…

Cassidy, Simon

2012-01-01

272

What Is Most Important: Social Factors, Health Selection, and Adolescent Educational Achievement  

ERIC Educational Resources Information Center

This paper explores the relative importance of social factors and health measures in predicting educational achievement in early and late adolescence using population-based administrative data. The sample was made up of 41,943 children born in Manitoba, Canada between 1982 and 1989 and remaining in the province until age 18. Multilevel modeling…

Roos, Leslie L.; Hiebert, Brett; Manivong, Phongsack; Edgerton, Jason; Walld, Randy; MacWilliam, Leonard; de Rocquigny, Janelle

2013-01-01

273

An Analysis of Factors Influencing the Achievement of Higher Education by Chief Fire Officers  

ERIC Educational Resources Information Center

The leadership of the United States Fire Service (FS) believes that higher education increases the professionalism of FS members. The research problem at the research site, which is a multisite fire department located in southeastern United States, was the lack of research-based findings on the factors influencing the achievement of higher…

Ditch, Robert L.

2012-01-01

274

The Relationship between School Achievement and Peer Harassment in Canadian Adolescents: The Importance of Mediating Factors  

ERIC Educational Resources Information Center

The relationship between school achievement and peer harassment was examined using individual and peer characteristics as mediating factors. The sample consisted of adolescents age 12-15 years (n = 4,111) drawn from the Canadian National Longitudinal Survey of Children and Youth, which is a stratified random sample of 22,831 households in Canada.…

Beran, Tanya N.; Lupart, Judy

2009-01-01

275

Risk Factors Affecting Clinical Outcome of Ruptured Vertebrobasilar Saccular Aneurysms  

PubMed Central

Objective Ruptured vertebrobasilar (VB) saccular aneurysm is a difficult lesion to treat, and is associated with high rates of morbidity and mortality. The aim of this study is to investigate the risk factors associated with the clinical outcome of ruptured VB aneurysms. Methods A retrospective review of 29 patients with ruptured VB saccular aneurysms between 2002 and 2010 was conducted between Jan 2002 and Dec 2010. Univariate and multivariate analyses were performed for determination of the statistical significance of the Glasgow Outcome Scale (GOS) at three months, according to age, initial Hunt-Hess grade, the presence of acute hydrocephalus, and treatment modality. Results The study included 24 (82.7%) females and five (17.3%) males, with a mean age of 59 years (range, 22-78 years). Seventeen patients were treated with surgical clipping and 12 patients were treated with endovascular coil embolization. No statistical significance was observed between clinical outcome and treatment modalities (clipping or coiling; p = 0.803). Seventeen (58.6%) patients achieved favorable outcome, defined as GOS score of 4-5, at 3 months. Procedure-related complications occurred in seven patients (24.1%). Results of multivariate analysis indicated that initial Hunt-Hess grade and the presence of acute hydrocephalus were independent predictors of unfavorable outcome, defined as GOS score of 1-3 (Odds ratio (OR) = 8.63, Confidence interval (CI) [95%] 1.11-66.84, p = 0.039 and OR = 36.64, CI [95%] 2.23-599.54, p = 0.012, respectively). Conclusion The present study suggests that the clinical outcomes are related to the initial Hunt-Hess grade and the presence of acute hydrocephalus in ruptured saccular VB aneurysms. PMID:23210044

Kang, Mun Soo; Kang, Hee In; Moon, Byung Gwan; Lee, Seung Jin; Kim, Joo Seung

2012-01-01

276

Urban vs. rural factors that affect adult asthma.  

PubMed

In this review, our aim was to examine the influence of geographic variations on asthma prevalence and morbidity among adults, which is important for improving our understanding, identifying the burden, and for developing and implementing interventions aimed at reducing asthma morbidity. Asthma is a complex inflammatory disease of multifactorial origin, and is influenced by both environmental and genetic factors. The disparities in asthma prevalence and morbidity among the world's geographic locations are more likely to be associated with environmental exposures than genetic differences. In writing this article, we found that the indoor factors most consistently associated with asthma and asthma-related symptoms in adults included fuel combustion, mold growth, and environmental tobacco smoke in both urban and rural areas. Asthma and asthma-related symptoms occurred more frequently in urban than in rural areas, and that difference correlated with environmental risk exposures, SES, and healthcare access. Environmental risk factors to which urban adults were more frequently exposed than rural adults were dust mites,high levels of vehicle emissions, and a westernized lifestyle.Exposure to indoor biological contaminants in the urban environment is common.The main risk factors for developing asthma in urban areas are atopy and allergy to house dust mites, followed by allergens from animal dander. House dust mite exposure may potentially explain differences in diagnosis of asthma prevalence and morbidity among adults in urban vs. rural areas. In addition, the prevalence of asthma morbidity increases with urbanization. High levels of vehicle emissions,Western lifestyles and degree of urbanization itself, may affect outdoor and thereby indoor air quality. In urban areas, biomass fuels have been widely replaced by cleaner energy sources at home, such as gas and electricity, but in most developing countries, coal is still a major source of fuel for cooking and heating, particularly in winter. Moreover, exposure to ETS is common at home or at work in urban areas.There is evidence that asthma prevalence and morbidity is less common in rural than in urban areas. The possible reasons are that rural residents are exposed early in life to stables and to farm milk production, and such exposures are protective against developing asthma morbidity. Even so, asthma morbidity is disproportionately high among poor inner-city residents and in rural populations. A higher proportion of adult residents of nonmetropolitan areas were characterized as follows:aged 55 years or older, no previous college admission, low household income, no health insurance coverage, and could not see a doctor due to healthcare service availability, etc. In rural areas, biomass fuels meet more than 70% of the rural energy needs. Progress in adopting modern energy sources in rural areas has been slow. The most direct health impact comes from household energy use among the poor, who depend almost entirely on burning biomass fuels in simple cooking devices that are placed in inadequately ventilated spaces. Prospective studies are needed to assess the long-term effects of biomass smoke on lung health among adults in rural areas.Geographic differences in asthma susceptibility exist around the world. The reason for the differences in asthma prevalence in rural and urban areas may be due to the fact that populations have different lifestyles and cultures, as well as different environmental exposures and different genetic backgrounds. Identifying geographic disparities in asthma hospitalizations is critical to implementing prevention strategies,reducing morbidity, and improving healthcare financing for clinical asthma treatment. Although evidence shows that differences in the prevalence of asthma do exist between urban and rural dwellers in many parts of the world, including in developed countries, data are inadequate to evaluate the extent to which different pollutant exposures contribute to asthma morbidity and severity of asthma between urban and rural areas. PMID:23625129

Jie, Yu; Isa, Zaleha Md; Jie, Xu; Ju, Zhang Long; Ismail, Noor Hassim

2013-01-01

277

The effects of student-level and classroom-level factors on elementary students' science achievement in five countries  

Microsoft Academic Search

The interest in raising levels of achievement in math and science has led to a focus on investigating the factors that shape achievement in these subjects (Lamb & Fullarton, 2002) as well as understanding how these factors operate across countries (Baker, Fabrega, Galindo, & Mishook, 2004). The current study examined the individual student factors and classroom factors on fourth grade

Sibel Kaya

2008-01-01

278

Analysis of factors that affect DQE in digital mammography  

NASA Astrophysics Data System (ADS)

The international standard IEC 62220-1 about DQE measurement of digital X-ray equipment was published in 2003, but mammography systems aren"t applied to this IEC standard because the factor affect measurement is complicated. Especially, the influence to the pre-sampling MTF by edge method when X-ray beam is oblique to detector. The influence of nonuniformity of x-ray intensity by the heel effect on digital Wiener spectrum (WS) doesn"t become clear. A 0.1mm-thick tungsten edge was imaged in the position where X-ray beam was perpendicular to detector plane and in 6cm from chest wall, respectively. And the pre-sampling MTFs were obtained from these edge images. The calculation area of the digital WS within irradiation area was moved in parallel direction to X-ray tube axis, and the digital WS were calculated. The pre-sampling MTFs and the digital WS are calculated by the method based on the IEC proposal. We used MAMMOMAT3000(SIEMENS), MGU-100B(TOSHIBA), M-IV(LORAD) and Senographe DMR+(GE) as X-ray generator. Images were obtained by FCR PROFECT CS (Fujifilm medical). In all equipments and both arrangement directions of the edge test device, pre-sampling MTFs are almost the same, even if the arrangement places of the edge test device varied. In all equipments, when the calculation area was moved about 10cm, the digital WS of the anode side was higher 7.2-17.9% than those of the cathode side. It was found that the dose of anode side was lower about 20% than cathode side from the profile of an exposure image. We think that digital WS modified the nonuniformity of the dose by the heel effect is obtained by multiplying the digital WS by the compensation coefficient obtained by the dose profile, in low spatial frequency.

Takamura, Miho; Higaki, Akiko; Kodera, Yoshie

2005-04-01

279

Dietary and environmental factors affecting skin strength in broiler chickens.  

PubMed

Two experiments were conducted to evaluate dietary and environmental factors involved in skin tensile strength of commercial broilers. In Experiment 1 the effect of added dietary fat (4 or 7%), environmental temperature (25 or 20.5 C after 21 d), and anticoccidial drug (halofuginone or salinomycin fed continuously) were examined factorially using male and female chicks. Skin tensile strength was measured at 21, 35, and 40 d of age. Thickness of the dermal layers was measured from skin taken at Day 35. In Experiment 2, the effect of added dietary fat (0 or 7%), environmental temperature (25 or 18.5 C after 21 d), and anticoccidial drug (halofuginone or salinomycin) were examined factorially using female chicks. Skin strength and collagen content of the skin were measured at 21, 38, and 42 d of age. Skin tensile strength increased with age in both experiments, but female skin strength was subject to periodic decline. Males had significantly strong skin than females. Levels of added fat or environmental temperature did not affect skin strength in either experiment. Continuous feeding of halofuginone significantly (P < .0001) decreased skin strength compared with that of birds fed salinomycin in both experiments. Halofuginone reduced skin strength in females more than males (25 and 9%, respectively). Dermis thickness was correspondingly reduced in the birds consuming halofuginone. In Experiment 2, soluble collagen contents were reduced at all ages in birds consuming halofuginone; insoluble collagen was significantly decreased at 21 d of age. Birds with weakened skin exhibited increased incidence of skin tears during slaughter in a commercial processing plant (P < or = .0043). These results suggest that halofuginone interferes with collagen synthesis, causing decreased collagen formation and reduced skin strength. Neither added dietary fat nor ambient temperature were involved. PMID:8146070

Christensen, K D; Zimmermann, N G; Wyatt, C L; Goodman, T N; Buhr, R J; Twining, P

1994-02-01

280

Factors Affecting Perceptual Threshold in Argus II Retinal Prosthesis Subjects  

PubMed Central

Purpose The Argus II epiretinal prosthesis has been developed to provide partial restoration of vision to subjects blinded from outer retinal degenerative disease. Participants were surgically implanted with the system in the United States and Europe in a single arm, prospective, multicenter clinical trial. The purpose of this investigation was to determine which factors affect electrical thresholds in order to inform surgical placement of the device. Methods Electrode–retina and electrode–fovea distances were determined using SD-OCT and fundus photography, respectively. Perceptual threshold to electrical stimulation of electrodes was measured using custom developed software, in which current amplitude was varied until the threshold was found. Full field stimulus light threshold was measured using the Espion D-FST test. Relationships between electrical threshold and these three explanatory variables (electrode–retina distance, electrode–fovea distance, and monocular light threshold) were quantified using regression. Results Regression analysis showed a significant correlation between electrical threshold and electrode–retina distance (R2 = 0.50, P = 0.0002; n = 703 electrodes). 90.3% of electrodes in contact with the macula (n = 207) elicited percepts at charge densities less than 1 mC/cm2/phase. These threshold data also correlated well with ganglion cell density profile (P = 0.03). A weaker, but still significant, inverse correlation was found between light threshold and electrical threshold (R2 < 0.52, P = 0.01). Multivariate modeling indicated that electrode–retina distance and light threshold are highly predictive of electrode threshold (R2 = 0.87; P < 0.0005). Conclusions Taken together, these results suggest that while light threshold should be used to inform patient selection, macular contact of the array is paramount. Translational Relevance Reported Argus II clinical study results are in good agreement with prior in vitro and in vivo studies, and support the development of higher-density systems that employ smaller diameter electrodes. (clinicaltrials.gov identifier: NCT00407602) PMID:24049718

Ahuja, A. K.; Yeoh, J.; Dorn, J. D.; Caspi, A.; Wuyyuru, V.; McMahon, M. J.; Humayun, M. S.; Greenberg, R. J.; daCruz, L.

2013-01-01

281

How does achievement motivation influence mental effort mobilization? Physiological evidence of deteriorative effects of negative affects on thelevel of engagement  

Microsoft Academic Search

We tested whether the effect of achievement motivation on effort is modulated by two possible factors of the motivational intensity theory (Wright and Kirby, 2001): perceived difficulty and maximally justified effort. Approach-driven (N=16) and avoidance-driven (N=16) participants were first instructed to perform a reaction time task to the best of their abilities. Next, the participants were instructed to consistently beat

Rémi L. Capa; Michel Audiffren

2009-01-01

282

Factor analysis of the Achievement of Therapeutic Objectives Scale (ATOS) in short-term dynamic psychotherapy and cognitive therapy.  

PubMed

This study examined the factor structure of the Achievement of Therapeutic Objectives Scale (ATOS; McCullough, Larsen, et al., 2003) in short-term dynamic psychotherapy (STDP) and cognitive therapy (CT). The ATOS is a process scale that has shown promise as a measure of patients' achievements of treatment objectives in STDP and CT and is conceptualized as comprising 7 subscales hypothesized to cluster according to 3 main treatment objectives (defense restructuring, affect restructuring, and restructuring of sense of self and others). However, the factor structure of the ATOS has not been examined empirically previously. Data were derived from ratings of videotaped therapy sessions from a randomized controlled trial, comparing STDP and CT for patients with Cluster C personality disorders. The model fit of a 2- and 3-factor solution was examined in the combined patient sample, as well as in each treatment separately, utilizing structural equation modeling. Both a 2- and 3-factor model provided acceptable fit to the data. The results add to the psychometric soundness of the ATOS as an innovative observer-based instrument for examining process in STDP and CT. (PsycINFO Database Record (c) 2014 APA, all rights reserved). PMID:24749750

Ryum, Truls; Støre-Valen, Jakob; Svartberg, Martin; Stiles, Tore Charles; McCullough, Leigh

2014-09-01

283

Demanding Affecting Factors Analysis for Personal Financial Management Business: An Empirical Approach Based on Factor Analysis Model  

Microsoft Academic Search

This paper analyzes the demanding affecting factors for financial management business by using factor analysis model and logistic regression through the data obtained from the survey questionnaires. It is found that the main factors that affecting financial management business are the special life cycle stages the residents are in and the external information environment for residents to purchase financial products.

Jianqiong Peng; Dehong Lu

2011-01-01

284

Factors affecting the catalytic oligomerization of methane via microwave heating  

NASA Astrophysics Data System (ADS)

Catalytic microwave heating has been used as a method for the oligomerization of methane to higher hydrocarbons. Many catalysts were tested in this reaction. Nickel powder, raney nickel, iron powder and activated carbon were the most active and efficient catalysts for the production of higher hydrocarbons. When helium was used as a diluent gas and the applied power was optimized, the selectivities were controlled to the most desired products. In general, the most abundant products for all the experiments were C2s. Iron powder was active only at high power (1130 W). At these conditions acetylene was avoided and ethylene and ethane were produced in the same proportion. Activated carbon catalysts with helium as diluent led to a selectivity towards benzene up to 33%. Some manganese oxides such as OMS-1, OMS-2 and MnO2 (dielectric constant, epsilon ? 104) were not active in these reactions. These data suggest that the dielectric constant is not the most important factor in the oligomerization of methane via microwave heating. Conversion and activities of these materials are not proportionally related to the surface area of the catalysts. Higher catalytic activity was observed for Raney nickel than for regular nickel powder. The maximum conversion obtained was 24% at 400 W and 10 min of irradiation time. For regular nickel powder that conversion can be achieved only after 700 W of power and more than 20 min of reaction. BET surface area, Scanning Electron Microscopy, X-ray Photoelectron Spectroscopy, and Temperature-Programmed Desorption and Reduction analysis were performed to characterize the catalyst before and after reaction. Deactivation of Raney nickel by fouling and sintering was observed after 500 W and/or 15 min of reaction. The effect of microwave radiation frequency on activity and product distribution for methane oligomerization has been studied. Nickel, iron, and activated carbon catalysts were used in these studies. Experiments were done with pure methane and using He as diluent. Changes in product distribution due to changes in frequency have been observed, and might be related to different transverse magnetic modes at different frequencies. Different transient heating may occur at different values of frequency.

Conde, Luis Daniel

285

Literature Review of Cross-Cultural Factors Affecting Polygraph Testing.  

National Technical Information Service (NTIS)

This report contains the results of a literary review of cultural factors which could influence the validity of polygraph examinations. Five general cultural factors were selected for study. For the purpose of this review, culture is defined by geographic...

R. E. Doll, J. G. Law, C. Piotrowski

1990-01-01

286

Factors Affecting Characteristics, Composition, and Quality of Skimmilk Cheese  

Microsoft Academic Search

Results of a comprehensive study of fac- tors affecting development of a skimmilk cheese are described. The study included variables relating to milk processing, ci~eese- making procedures, use of supplemental starters, milk treatment with animal and microbial enzymes, and the use of food additives, stabilizers, condiments, and fla- vor-enhancing substances. Flavor and tex- ture of experimental cheeses were markedly affected

R. E. Hargrove; F. E. McDonough; R. P. Tittsler

1967-01-01

287

FACTORS AFFECTING TEACHERS' USE OF INFORMATION AND COMMUNICATION TECHNOLOGY  

Microsoft Academic Search

Research studies in the past decade have shown that computer technology is an effective means for widening educational opportunities, but most teachers neither use technology as an instructional delivery system nor integrate technology into their curriculum. Studies reveal a number of factors influencing teachers' decisions to use ICT in the classroom: non-manipulative and manipulative school and teacher factors. These factors

Mojgan Afshari; Kamariah Abu Bakar; Wong Su Luan; Bahaman Abu Samah; Foo Say Fooi

2009-01-01

288

Environmental Factors Affecting Inflammatory Bowel Disease: Have We Made Progress?  

Microsoft Academic Search

The pathogenesis of inflammatory bowel disease (IBD) is only partially understood; various environmental and host (e.g. genetic, epithelial, immune, and nonimmune) factors are involved. The critical role for environmental factors is strongly supported by recent worldwide trends in IBD epidemiology. One important environmental factor is smoking. A meta-analysis partially confirms previous findings that smoking was found to be protective against

Peter Laszlo Lakatos

2009-01-01

289

Calcite and Picocyanobacteria in Lakes: Factors Affecting Their Interaction  

NASA Astrophysics Data System (ADS)

Calcites build large deposits which have been observed in the rock record throughout geological time at various localities around the globe. Carbonate deposits have affected atmospheric carbon dioxide concentration. As it has been generally accepted, inorganic precipitation represents a source of carbon dioxide on short geological time scales and a sink of inorganic carbon at long time scales from millions to thousands of millions years. However, recent research indicates that calcite deposits may result from microbial calcification instead of inorganic precipitation. In this case the process may reduce atmospheric carbon dioxide on geologically short time scales. Thus the effect of carbonate sediment deposition on global carbon cycling depends on the origin of carbonate. Thus it is essential to understand the cause and the key parameters affecting calcite precipitation. The role of algae and bacteria in calcite formation in lakes has not been evaluated in detail. Some evidence, however, exists supporting precipitation of calcium carbonate by microbes as the origin of whiting. Several field studies on lakes have also produced puzzling results: The peaks of algal blooms were often not found at the same time as precipitation events of calcite. We suspect that parts of the discrepancies in the interpretation of field observations are due to the activity of autotrophic picoplankton. The unicellular autotrophic picoplankton (APP) is a ubiquitous component of pelagic ecosystems. But it has often been overlooked due to its small cell size of 0.2 - 2 ? m in diameter. Coccoid picocyanobacteria of the Synechococcus-type dominate the picoplankton community in most oligotrophic systems. Recently, laboratory experiments and field observations suggested that APP may play an important role in calcite precipitation. The aim of this study was to examine the influence of environmental factors such as saturation state, concentration of different dissolved ions and characteristics of the surface of cells on interaction between calcite and picocyanobacteria under both laboratory and field conditions. Laboratory experiments were performed with a picocyanobacteria strain Synechococcus-type. Using ion selective electrodes we monitored calcite precipitation induced by bacteria in the solutions of a different composition (calcium 0.7 - 48 mM, inorganic carbonate 6 - 35 ? M). Electron and atomic force microscopy measurements provided insight into the cell-mineral interface. Furthermore, quantitative investigations of the types and densities of proton binding sites on a bacterial surface will be reported from the acid-base titrations on bacteria. Results of these initial experiments are encouraging and demonstrate by direct measurements the potential of picocyanobacteria to precipitate calcite. The amount of the precipitated calcite varied in experiments with a different ratio of dissolved inorganic carbon and calcium. The microscopic observations provide some evidence that the cell walls of cyanobacteria act as a substrate of nucleation of calcite. Temporal and spatial correlations of cyanobacteria and calcite, as well as images of bacterial shape particles indicated that picoplankton plays an important role in calcite precipitation in Lake Lucerne. This class of phytoplankton has to be considered in studying the biogeochemical cycling of oligotrophic hardwater lakes.

Dittrich, M.; Obst, M.; Mavrocordatos, D.

2003-12-01

290

Factors affecting the quality of antenatal care provided to remote dwelling Aboriginal women in northern Australia.  

PubMed

Objective: there is a significant gap in pregnancy and birth outcomes for Australian Aboriginal and Torres Strait Islander women compared with other Australian women. The provision of appropriate and high quality antenatal care is one way of reducing these disparities. The aim of this study was to assess adherence to antenatal guidelines by clinicians and identify factors affecting the quality of antenatal care delivery to remote dwelling Aboriginal women. Setting and design: a mixed method study drew data from 27 semi-structured interviews with clinicians and a retrospective cohort study of Aboriginal women from two remote communities in Northern Australia, who gave birth from 2004-2006 (n=412). Medical records from remote health centres and the regional hospital were audited. Measurements and findings: the majority of women attended antenatal care and adherence to some routine antenatal screening guidelines was high. There was poor adherence to local guidelines for follow-up of highly prevalent problems including anaemia, smoking, urinary tract infections and sexually transmitted infections. Multiple factors influenced the quality of antenatal care. Key conclusions and implications for practice: the resourcing and organisation of health services and the beliefs, attitudes and practices of clinicians were the major factors affecting the quality of care. There is an urgent need to address the identified issues in order to achieve equity in women's access to high quality antenatal care with the aim of closing the gap in maternal and neonatal health outcomes. PMID:23809580

Bar-Zeev, Sarah; Barclay, Lesley; Kruske, Sue; Kildea, Sue

2014-03-01

291

Factors Affecting Plant Absorption, Transport and Fate of Plutonium.  

National Technical Information Service (NTIS)

This study determined the extent to which several agricultural plants control plutonium (Pu) uptake and provides a general understanding of the fate and behavior of Pu in plants after absorption. Investigations were directed toward variables affecting the...

T. R. Garland, D. A. Cataldo, K. M. McFadden, R. E. Wildung

1984-01-01

292

Utility & Regulatory Factors Affecting Cogeneration & Independent Power Plant Design & Operation  

E-print Network

considerations which could significantly affect the plant definition and, as a result, its attendant business and financing structure. Finally, suggestions are also made for facilitating the process of integration with the electric utility. INTRODUCTION... be seen from the recently encountered examples in Table I, many utility or regulatory preferences can have a significant affect on both conceptual and detailed plant design. In some instances, -they can even change the entire basic definition...

Felak, R. P.

293

Factors affecting the toxicity of methylmercury injected into eggs.  

PubMed

We developed a standardized protocol for comparing the sensitivities of the embryos of different bird species to methylmercury when methylmercury was injected into their eggs. During the course of developing this protocol, we investigated the effects of various factors on the toxicity of the injected methylmercury. Most of our experiments were done with chicken (Gallus domesticus), mallard (Anas platyrhynchos), and ring-necked pheasant (Phasianus colchicus) eggs, all of which were purchased in large numbers from game farms. A smaller amount of work was done with double-crested cormorant (Phalacrocorax auritus) eggs collected from the wild. Several solvents were tested, and corn oil at a rate of 1 microl/g egg contents was selected for the final standardized protocol because it had minimal toxicity to embryos and because methylmercury dissolved in corn oil yielded a dose-response curve in a range of egg concentrations that was similar to the range that causes reproductive impairment when the mother deposits methylmercury into her own eggs. The embryonic stage at which eggs were injected with corn oil altered mercury toxicity; at early stages, the corn oil itself was toxic. Therefore, in the final protocol we standardized the time of injection to occur when each species reached the morphologic equivalent of a 3-day-old chicken embryo. Although solvents can be injected directly into the albumen of an egg, high embryo mortality can occur in the solvent controls because of the formation of air bubbles in the albumen. Our final protocol used corn oil injections into the air cell, which are easier and safer than albumen injections. Most of the methylmercury, when dissolved in corn oil, injected into the air cell passes through the inner shell membrane and into the egg albumen. Most commercial incubators incubate eggs in trays with the air cell end of the egg pointing upward, but we discovered that mercury-induced mortality was too great when eggs were held in this orientation. In addition, some species of bird eggs require incubation on their sides with the eggs being rolled 180 degrees for them to develop normally. Therefore, we adopted a procedure of incubating the eggs of all species on their sides and rolling them 180 degrees every hour. Little has been published about the conditions of temperature, humidity, and the movements to which eggs of wild birds need to be subjected for them to hatch optimally under artificial incubation. Not unexpectedly, hatching success in an artificial incubator is generally less than what natural incubation by the parents can achieve. However, the survival of control embryos of most wild bird species was good (generally > or = 80%) up to within 1 or 2 days of hatching when we incubated the eggs at 37.5 degrees C (or 37.6 degrees C for gallinaceous species) at a relative humidity that resulted in an approximate 15% to 16% loss in egg weight by the end of incubation and by incubating the eggs on their sides and rolling them 180 degrees /h. To improve statistical comparisons, we used survival through 90% of incubation as our measurement to compare survival of controls with survival of eggs injected with graded concentrations of mercury. PMID:16307214

Heinz, G H; Hoffman, D J; Kondrad, S L; Erwin, C A

2006-02-01

294

Cognitive Factors Affecting Student Understanding of Geologic Time.  

ERIC Educational Resources Information Center

Presents a model that describes how students reconstruct geological transformations over time. Defines the critical factors influencing reconstructive thinking: (1) the transformation scheme, which influences the other diachronic schemes; (2) knowledge of geological processes; and (3) extracognitive factors. (Author/KHR)

Dodick, Jeff; Orion, Nir

2003-01-01

295

Factors Affecting Survival of Bacteriophage on Tomato Leaf Surfaces  

Microsoft Academic Search

The ability of bacteriophage to persist in the phyllosphere for extended periods is limited by many factors, including sunlight irradiation, especially in the UV zone, temperature, desiccation, and exposure to copper bactericides. The effects of these factors on persistence of phage and formulated phage (phage mixed with skim milk) were evaluated. In field studies, copper caused significant phage reduction if

F. B. Iriarte; B. Balogh; M. T. Momol; L. M. Smith; M. Wilson; J. B. Jones

2007-01-01

296

Dietary factors that affect the bioavailability of carotenoids  

Microsoft Academic Search

Carotenoids are thought to contribute to the beneficial effects of increased vegetable consumption. Various dietary factors have an effect on the bioavailability of carotenoids. The type of food matrix in which carotenoids are located is a major factor. The bioavailability of ß-carotene from vegetables in particular has been shown to be low (14?rom mixed vegetables) compared with that of purified

Hof van het K. H; C. E. West; J. A. Weststrate; J. G. A. J. Hautvast

2000-01-01

297

The impact of selected educational factors on the academic achievement of secondary students  

NASA Astrophysics Data System (ADS)

The purpose of this study was to examine the impact of related educational factors on the mathematics and science achievement of secondary students. The researcher compared the variables of instructional design, economic status and retention against the exit level scores on the mathematics and science Texas Assessment of Knowledge and Skills (TAKS) test of 11th grade students. The technique used for this investigation was a Three-Way Analysis of Variance (ANOVA). Three hundred thirty five students from an urban school district in a metropolitan area in southeast Texas participated in this study. Ex-post facto data obtained from the district's student information system was utilized. Based on the results, the following conclusions were drawn. (1) Instructional design does impact mathematics and science achievement of students at the secondary level. (2) Retention during a student's ninth grade year does impact mathematics and science achievement. (3) The interaction of instructional design and retention does impact the mathematics and science achievement of students at the secondary level. (4) Economic status as a main effect or as an interaction effect does not impact mathematics and science achievement of students at the secondary level. For those seeking to explore this topic in greater depth, recommendations for further investigations might consider the study of teacher perceptions and attitudes toward students who attend school in the alternative setting. Additionally, future investigations might look into the level of experience and the reasons teachers choose to teach in the alternative setting.

Epps, Bernethia Mechelle

298

Factors Affecting Participation in Traditional and Inquiry-based Laboratories.  

ERIC Educational Resources Information Center

Reports on a study of participation, achievement, and attitude in cookbook and inquiry-based introductory biology laboratories through observations, interviews, and attitude/knowledge surveys. Participation differences between men and women disappeared in the inquiry-based laboratory. (Author/MM)

Russell, Connie P.; French, Donald P.

2002-01-01

299

Factors Affecting High School Students' Academic Motivation in Taiwan  

ERIC Educational Resources Information Center

The purpose of this research is to investigate predictive relationships among student characteristics that influence motivation for learning and achievement. A non-Western sample was chosen to test the generalisability of findings outside the Western cultural and social models. The participants were 6,539 students from 14 public high schools…

Hardre, Patricia L.; Chen, Ching-Huei; Huang, Su-Hua; Chiang, Chen-Ting; Jen, Fen-Lan; Warden, Leslie

2006-01-01

300

Urban Youth with Disabilities: Factors Affecting Transition Employment  

ERIC Educational Resources Information Center

Although postsecondary employment outcomes for transition-age youth with disabilities have improved over the past decade, minority youth with disabilities continue to lag behind their peers in achieving a job. This study of predominantly minority youth participating in the Marriott Foundation's Bridges From School to Work Program from 2000 to 2005…

Fabian, Ellen S.

2007-01-01

301

Factors Affecting High School Students' Academic Motivation in Taiwan  

Microsoft Academic Search

The purpose of this research is to investigate predictive relationships among student characteristics that influence motivation for learning and achievement. A non-Western sample was chosen to test the generalisability of findings outside the Western cultural and social models. The participants were 6,539 students from 14 public high schools distributed across the western half of Taiwan. They were from three grade

Patricia L. Hardré; Ching-Huei Chen; Su-Hua Huang; Chen-Ting Chiang; Fen-Lan Jen; Leslie Warden

2006-01-01

302

Linguistic Factors Affecting Correct Responses to Word Problems in Mathematics  

ERIC Educational Resources Information Center

Student underachievement on standardized math achievement tests is a major concern in American public schools. One of the speculated reasons for student underachievement is the inability to solve math word problems. Word problems are the most challenging problems in math because word problem solving requires the use of skills in language,…

Vincent, Juliet

2009-01-01

303

A Nested Analysis of Factors Affecting Bachelor's Degree Completion.  

ERIC Educational Resources Information Center

Examined three stages of University of Iowa students' progress to graduation: dropout versus persistence in the first year, graduation versus failure to graduate among first-year persisters, and graduation in 4 years or less versus graduation in 5 years or more. Found that college academic performance, pre-matriculation academic achievement, and…

DesJardins, Stephen L.; Kim, Dong-Ok; Rzonca, Chester S.

2003-01-01

304

Factors That Affect Academic Performance Among Pharmacy Students  

PubMed Central

Objective The objective of this study was to examine factors such as academic competence, test competence, time management, strategic studying, and test anxiety, and identify whether these factors could distinguish differences among students, based on academic performance and enrollment in the experiential program. Methods A cross-sectional study design utilizing questionnaires measuring previously validated constructs was used to evaluate the effect of these factors on students with low and high cumulative grade point averages (GPAs). Pharmacy students (N = 198) enrolled at the University of Houston participated in the study. Results Academic performance was significantly associated with factors such as academic competence and test competence. Students with a cumulative GPA of 3.0 or greater significantly differed in their level of test competence than those with a GPA of less than 3.0. Students enrolled in their experiential year differed from students enrolled in their second year of curriculum on factors such as test anxiety, academic competence, test competence, and time management skills. Conclusion Test competence was an important factor to distinguish students with low vs. high academic performance. Factors such as academic competence, test competence, test anxiety and time management improve as students' progress in their experiential year. PMID:17149433

Sansgiry, Sujit S.; Bhosle, Monali; Sail, Kavita

2006-01-01

305

Early career development in the sport industry: factors affecting employment  

E-print Network

The purpose of this study is to identify the processes and factors contributing to employment in the sport industry. In order to completely address the sport industry as a whole, sport management has been pragmatically divided into five sub...

Hutchinson, Michael Daniel

2009-05-15

306

Factors affecting minority population proximity to hazardous facilities  

SciTech Connect

Disproportionate exposure of minority groups to environmental hazards has been attributed to ``environmental racism`` by some authors, without systematic investigation of the factors underlying this exposure pattern. This study examines regional differences in the proximity of African-Americans, Hispanics, Asians, and non-Hispanic Whites to a broad range of facility types and explores the effects of urban and income factors. A statistically significant inverse relationship is found between the percentage of non-Hispanic Whites and virtually all facility categories in all regions. Except for Hispanics in the South, all such associations for minority groups show a direct relationship, though some are nonsignificant. The geographic concentration of facilities is more closely tied to urbanization than to economic factors. Controlling for both urban and economic factors, minority population concentration is still a significant explanatory variable for some facility types in some regions. This finding is most consistent for African-Americans.

Nieves, L.A. [Argonne National Lab., IL (United States); Nieves, A.L. [Wheaton Coll., IL (United States)]|[Argonne National Lab., IL (United States)

1995-04-01

307

Factors Affecting Science Teaching Efficacy of Preservice Elementary Teachers  

Microsoft Academic Search

Preservice elementary teachers entering the specialized coursework designed to prepare them for science teaching responsibilities have a broad range of efficacy beliefs about their success as future science teachers. As they progress through science methods and practicum courses, and on to complete their student teaching, their efficacy beliefs may change. Knowing the variables that affect the development of positive efficacy

Pamela Cantrell; Suzanne Young; Alan Moore

2003-01-01

308

Social cognition in schizophrenia: Cognitive and affective factors  

Microsoft Academic Search

Introduction. Social cognition refers to how people conceive, perceive, and draw inferences about mental and emotional states of others in the social world. Previous studies suggest that the concept of social cognition involves several abilities, including those related to affect and cognition. The present study analyses the deficits of individuals with schizophrenia in two areas of social cognition: Theory of

Ido Ziv; David Leiser; Joseph Levine

2011-01-01

309

Factors affecting employee knowledge acquisition and application capabilities  

Microsoft Academic Search

Purpose – The paper aims to analyze the influences of organizational context and information technology (IT) applications on employees' perceptions of knowledge acquisition and application capabilities in five public and five private sector organizations in South Korea. Design\\/methodology\\/approach – The paper analyzes how employees' perceptions of organizational context and IT affect employee knowledge acquisition and application capabilities in five public

Soonhee Kim; Hyangsoo Lee

2010-01-01

310

Beyond Random AssignmentFactors Affecting Evaluation Integrity  

Microsoft Academic Search

This article draws on the experience gained from conducting a true experiment in the criminal justice field to discuss practical problems in maintaining the integrity of evaluation studies. Issues revolving around budgeting, randomization, data collectors, interview payments, and evaluation of black box treatments are addressed. While these nontechnical aspects of evaluation can significantly affect the validity and meaningfulness of research

Eva Lantos Rezmovic; Thomas J. Cook; L. Douglas Dobson

1981-01-01

311

Factors affecting fruit and seed production in Dactylorhiza maculata (Orchidaceae)  

Microsoft Academic Search

It has been argued that some of resources needed for fruit and seed production in terrestrial orchids originate from storage in underground biomass. Resources for female reproductive traits may also originate from current photosynthesis. Orchid mycorrhiza may also influence fruit and seed production. The extent to which current photosynthetic activity and nutrient uptake via mycorrhizal fungi affect fruit and seed

ELISA VALLIUS

2001-01-01

312

Factors Affecting Sea Lamprey Egg Survival STEPHEN J. SMITH  

E-print Network

is a nuisance parasitic fish in Lake Champlain that negatively affects important sport fish populations lamprey abundance (Marsden et al. 2003). Lake Champlain is 193 km long, has a maximum width of 19 km nontarget mortality in regularly treated tributaries. A population model of sea lampreys in Lake Champlain

Marsden, Ellen

313

Factors affecting quality of life in postmenopausal women, Isfahan, 2011  

PubMed Central

Context: Various studies have shown that quality of life in women after menopause undergoes radical changes. Several factors such as psycho-social factors are associated with the quality of life during menopausal period. Aims: The present study surveyed the factors associated with quality of life of postmenopausal women in Isfahan, based on Behavioral Analysis Phase of PRECEDE model. Settings and Design: This cross-sectional study was conducted through stratified random sampling among 200 healthy postmenopausal women in Isfahan in 2011. Subjects and Methods: Data were collected by two valid and reliable questionnaires (one to assess the quality of life and the other to survey the factors associated with the Behavioral Analysis Phase of PRECEDE model). Data analysis was performed using SPSS software (version 18) and analytical and descriptive statistics. Results: Pearson correlation indicated a positive and significant correlation between the quality of life and attitude toward menopause, perceived self-efficacy, and enabling and reinforcing factors, but there was no significant relationship between the quality of life and knowledge about menopause. Also, the quality of life in postmenopausal women had significant correlation with their age, education level, marital status, and employment status. Conclusion: Based on the present study, attitude, perceived self-efficacy, perceived social support, and enabling factors are associated with the quality of life in postmenopausal women. So, attention to these issues is essential for better health planning of women. PMID:24520556

Norozi, Ensiyeh; Mostafavi, Firoozeh; Hasanzadeh, Akbar; Moodi, Mitra; Sharifirad, Gholamreza

2013-01-01

314

Multiscale Factors Affecting Human Attitudes toward Snow Leopards and Wolves.  

PubMed

The threat posed by large carnivores to livestock and humans makes peaceful coexistence between them difficult. Effective implementation of conservation laws and policies depends on the attitudes of local residents toward the target species. There are many known correlates of human attitudes toward carnivores, but they have only been assessed at the scale of the individual. Because human societies are organized hierarchically, attitudes are presumably influenced by different factors at different scales of social organization, but this scale dependence has not been examined. We used structured interview surveys to quantitatively assess the attitudes of a Buddhist pastoral community toward snow leopards (Panthera uncia) and wolves (Canis lupus). We interviewed 381 individuals from 24 villages within 6 study sites across the high-elevation Spiti Valley in the Indian Trans-Himalaya. We gathered information on key explanatory variables that together captured variation in individual and village-level socioeconomic factors. We used hierarchical linear models to examine how the effect of these factors on human attitudes changed with the scale of analysis from the individual to the community. Factors significant at the individual level were gender, education, and age of the respondent (for wolves and snow leopards), number of income sources in the family (wolves), agricultural production, and large-bodied livestock holdings (snow leopards). At the community level, the significant factors included the number of smaller-bodied herded livestock killed by wolves and mean agricultural production (wolves) and village size and large livestock holdings (snow leopards). Our results show that scaling up from the individual to higher levels of social organization can highlight important factors that influence attitudes of people toward wildlife and toward formal conservation efforts in general. Such scale-specific information can help managers apply conservation measures at appropriate scales. Our results reiterate the need for conflict management programs to be multipronged. Factores Multi-Escala que Afectan las Actitudes Humanas hacia Leopardos de las Nieves y Lobos. PMID:25039397

Suryawanshi, Kulbhushansingh R; Bhatia, Saloni; Bhatnagar, Yash Veer; Redpath, Stephen; Mishra, Charudutt

2014-12-01

315

Factors affecting gene delivery by particle bombardment of Dendrobium orchids  

Microsoft Academic Search

Summary  Five parameters were examined for their effect on transformation ofDendrobium tissues by microprojectile bombardment. The superpromoter in pBI426 produced at least 1.5 times as many transient transformants\\u000a as the single cauliflower mosaic virus 35S promoter in pBI121 (37 to 69% vs. 0 to 44%) with dark and frequent GUS (?-glucuronidase) staining. Tissue, genotype, and type of microparticle significantly affected transient

Guo-Ling Nan; Adelheid R. Kuehnle

1995-01-01

316

Metallurgical factors affecting fracture toughness of aluminum alloys  

Microsoft Academic Search

Crack extension in commercial aluminum alloys proceeds by the “ductile” or fibrous mode. The process involves the large, ~1\\u000a ?m to ~10?m, Fe-, Si-, and Cu-bearing inclusions which break easily, and the growth of voids at the cracked particles. The\\u000a linking-up of the voids is accomplished by the rupture of the intervening ligaments, and this is affected by the fine,

G. T. Hahn; A. R. Rosenfield

1975-01-01

317

Investigation on latent factors affecting route diversion intentions  

SciTech Connect

Advanced Traveler Information Systems (ATIS) have the potential to mitigate freeway congestion. The success of ATIS depends to a great extent on understanding drivers` route switching behavior. This route diversion behavior is a complex process that depends on situational constraints, socioeconomic characteristics of motorists, and latent individual characteristics. Three latent factors, namely risk acceptance, trust in traffic information provided, and expectation level of quality of information provided, were identified in this study. These latent factors, as well as socioeconomic characteristics and situational constraints, were incorporated in a binary logit model of stated route diversion intentions. It is observed that the latent factors were statistically significant explanatory variables of the drivers` stated route diversion intentions.

Pal, R. [Purdue Univ., West Lafayette, IN (United States). School of Civil Engineering

1998-07-01

318

The factors affecting effectiveness of treatment in phages therapy  

PubMed Central

In recent years, the use of lytic bacteriophages as antimicrobial agents controlling pathogenic bacteria has appeared as a promising new alternative strategy in the face of growing antibiotic resistance which has caused problems in many fields including medicine, veterinary medicine, and aquaculture. The use of bacteriophages has numerous advantages over traditional antimicrobials. The effectiveness of phage applications in fighting against pathogenic bacteria depends on several factors such as the bacteriophages/target bacteria ratio, the mode and moment of treatment, environmental conditions (pH, temperature...), the neutralization of phage and accessibility to target bacteria, amongst others. This report presents these factors and the challenges involved in developing phage therapy applications. PMID:24600439

Ly-Chatain, Mai Huong

2014-01-01

319

Factors affecting effectiveness of vaccination against hepatitis B virus in hemodialysis patients.  

PubMed

Hepatitis B virus (HBV) is a major global health problem. Despite the success of the general measures against blood transmitted infections in hemodialysis (HD) units, the prevalence of HBV infection among the HD patients is still high. Thus vaccination against HBV is indicating in this population. However, compared with the general population the seroprotection achieved in HD patients remains relatively low, at about 70%. In this review patient, HD procedure and vaccine-associated factors that affect the efficacy of HBV vaccination are analyzed. Also alternative routes of HBV vaccine administration as well as new and more immunogenic vaccine formulations are discussed. However, besides scientific progress, vigilance of HD physicians and staff regarding the general measures against the transmission of blood borne infections and the vaccination against HBV is also required for reducing the prevalence of this viral infection. PMID:25232238

Eleftheriadis, Theodoros; Pissas, Georgios; Antoniadi, Georgia; Liakopoulos, Vassilios; Stefanidis, Ioannis

2014-09-14

320

Gender differences in extreme mathematical achievement: an international perspective on biological and social factors.  

PubMed

Genetic and other biological explanations have reemerged in recent scholarship on the underrepresentation of women in mathematics and the sciences. This study engages this debate by using international data-including math achievement scores from the Third International Mathematics and Sciences Study and country-level data from the World Bank, the United Nations, the International Labour Organization, the World Values Survey, and the International Social Survey Programme-to demonstrate the importance of social factors and to estimate an upper bound for the impact of genetic factors. The author argues that international variation provides a valuable opportunity to present simple and powerful arguments for the continued importance of social factors. In addition, where previous research has, by and large, focused on differences in population means, this work examines gender differences throughout the distribution. The article shows that there is considerable variation in gender differences internationally, a finding not easily explained by strictly biological theories. Modeling the cross-national variation in gender differences with country-level predictors reveals that differences among high achievers are related to gender inequality in the labor market and differences in the overall status of men and women. PMID:19569403

Penner, Andrew M

2008-01-01

321

Factors Affecting Student Progression and Achievement: Prediction and Intervention. A Two-Year Study  

ERIC Educational Resources Information Center

First-year student dropout in the university sector can reach 20% or higher. Over a two-year period, a simple instrument was developed to identify potential student low performance and withdrawal. It was based on a measure of students' early expectation of higher education, matched subsequently with their actual experience. The instrument design…

Lowis, Mike; Castley, Andrew

2008-01-01

322

Factors affecting livestock predation by lions in Cameroon  

Microsoft Academic Search

Interviews were carried out in six villages south-west of Waza National Park, Cameroon, to investigate the impact of factors related to the occurrence of livestock raiding by lions. Data were analysed at the village and individual level. Livestock losses (cattle, sheep and\\/or goats) caused by lions differed between villages, ranging from eight to 232 animals per village per year, or

L. Van Bommel; M. D. Bij de Vaate; W. F. De Boer; H. H. De Iongh

2007-01-01

323

A Quantitative Assessment of Factors Affecting College Sports' Team Unity  

ERIC Educational Resources Information Center

The competitiveness of National Collegiate Association (NCAA) schools increases in intensity each year. With the increased pressure on college sport staffs to be undefeated season after season, coaches have to find ways to keep players happy; to do this, they have to find factors that contribute to unify the players. It is nearly impossible to…

Aghazadeh, Seyed-Mahmoud; Kyei, Kwasi

2009-01-01

324

School-Related Factors Affecting High School Seniors' Methamphetamine Use  

ERIC Educational Resources Information Center

Data from the 2005 Monitoring the Future survey were used to examine relationships between school-related factors and high school seniors' lifetime methamphetamine use. The study applied logistic regression techniques to evaluate effects of social bonding variables and social learning variables on likelihood of lifetime methamphetamine use. The…

Stanley, Jarrod M.; Lo, Celia C.

2009-01-01

325

Factors Affecting Habitat Use by Appalachian Ruffed Grouse  

Microsoft Academic Search

A goal of many resource selection studies is to identify those habitats selected by a species. However, favorability of a particular habitat feature is likely contingent on such factors as landscape composition, predation risk, and an individual's resource needs. Thus, habitat selection may vary depending on context, and identifying causes of variability in habitat use could increase our understanding of

DARROCH M. WHITAKER; DEAN F. STAUFFER; GARY W. NORMAN; PATRICK K. DEVERS; THOMAS J. ALLEN; STEVE BITTNER; DAVID BUEHLER; JOHN EDWARDS; SCOTT FRIEDHOFF; WILLIAM M. GIULIANO; CRAIG A. HARPER; BRIAN TEFFT

2006-01-01

326

Guiding Teacher Development towards STL Teaching: Identifying Factors Affecting Change.  

ERIC Educational Resources Information Center

Describes the effectiveness of an intervention training and draws attention to the most important factors to be considered in developing inservice programs for the promotion of Science and Technological Literacy (STL) teaching skills. Concludes that teachers who acknowledged the need for teaching social skills in conjunction with science concepts…

Ranniknae, Miia

2001-01-01

327

Factors Affecting the Future Enrollment of Students in Vocational Agriculture.  

ERIC Educational Resources Information Center

A study was conducted to determine how to reverse the downward trend in high school vocational agriculture enrollments in Iowa. The study sought to describe student perception of the agriculture program and what factors are involved in this perception; the length and names of the curriculum offerings within the agriculture department and how they…

Doese, Ellen Kae; Miller, W. Wade

328

Factors Affecting Social Workers' Inclusion of Animals in Practice  

ERIC Educational Resources Information Center

Experts suggest that social work practitioners can improve their client service with a more thorough understanding of the impact of other animals on individuals and families. Studies indicate that some social work practitioners are including animals in their practices through assessment and interventions. Little is known about what factors

Risley-Curtiss, Christina; Rogge, Mary E.; Kawam, Elisa

2013-01-01

329

Factors Affecting Recreation Preferences and Expectations of Disabled Adult Learners  

ERIC Educational Resources Information Center

Generalizing recreation services, one of the essential well-being sources of disabled persons who experience deprivation in many dimensions of life and which fulfill their learning needs, is a social responsibility. The present study aims to determine factors effective on recreation preferences and expectations of the disabled individuals who…

Arslan, Sibel

2014-01-01

330

Factors Affecting Horseshoe Crab Limulus polyphemus Trawl Survey Design  

Microsoft Academic Search

There is currently a lack of abundance information for effectively managing horseshoe crabs Limulus polyphemus. A trawl survey program that specifically targets horseshoe crabs would provide that information. We conducted a study to examine the factors that would influence the trawl survey design. Depth, topography, and time of day were examined as potential survey design influences. Horseshoe crab catches were

David Hata; Jim Berkson

2004-01-01

331

FACTORS AFFECTING THE ADOPTION OF SUSTAINABLE AGRICULTURAL PRACTICES  

Microsoft Academic Search

The extent to which individual factors influence the adoption of sustainable agricultural practices is estimated using a logit model and data from a 1990 survey of West Virginia producers. The results are, as expected, different than those for conventional agricultural technologies. For example, the effects of human capital characteristics are significant, while those for structural and institutional characteristics are not.

Gerard E. DSouza; Douglas Cyphers; Tim T. Phipps

1993-01-01

332

Factors That Affect Initial Enrollment of Working Adult, Graduate Students  

ERIC Educational Resources Information Center

What factors lead working adults to initially enroll in graduate programs? Is the undergraduate degree no longer enough to sustain a rewarding career? Little is known as to why this segment of graduate students are building careers and pursuing advanced degrees simultaneously. Traditional institutions of higher learning have primarily focused on…

Adrignola, Matt Nolan

2010-01-01

333

Investigating Factors that Affect Dissolved Oxygen Concentration in Water  

ERIC Educational Resources Information Center

Describes activities that demonstrate the effects of factors such as wind velocity, water temperature, convection currents, intensity of light, rate of photosynthesis, atmospheric pressure, humidity, numbers of decomposers, presence of oxidizable ions, and respiration by plants and animals on the dissolved oxygen concentration in water. (MA)

Jantzen, Paul G.

1978-01-01

334

Factors Affecting the Success of Hmong College Students in America  

ERIC Educational Resources Information Center

This study explores barriers and success factors of Hmong students in American colleges by interviewing five Hmong graduate students from refugee families in the US. Emerging themes revolve around academic, cultural and financial barriers. Professors, advisors, classmates, academic support programmes, family, financial aid and their own…

Xiong, Soua; Lam, Sarah K. Y.

2013-01-01

335

Factors Affecting Growth and Pigmentation of Penicillium caseifulvum  

Microsoft Academic Search

Color formation, metabolite production and growth of Penicillium caseifulvum were studied in order to elu- cidate factors contributing to yellow discoloration of Blue Cheese caused by the mold. A screening experi- ment was set up to study the effect of pH, concentration of salt (NaCl), P, K, N, S, Mg and the trace metals Fe, Cu, Zn, Mn on yellow

K. I. Suhr; I. Haasum; L. D. Steenstrup; T. O. Larsen

2002-01-01

336

Whether space weather factors affect the occurrence of aviation accidents  

NASA Astrophysics Data System (ADS)

Based on a statistical analysis of the database of the US National Transportation Safety Board, we show that space weather factors have no effect on aviation occurrences. We consider typical logical and methodological errors arising in this type of studies and bring facts to show the futility of further research regarding this problem.

Lyakhov, A. N.; Kozlov, S. L.

2012-02-01

337

FACTORS AFFECTING PREDATION AT SONGBIRD NESTS IN OLD FIELDS  

Microsoft Academic Search

We determined the effects of microhabitat, year, weather, time of season, stage of the nesting cycle, and brood parasitism on nest predation from a 7-year dataset on field sparrows (Spizella pusilla) and indigo buntings (Passerina cyanea) in-central Missouri, USA. Year, site, and the interaction of species and 2-week interval of the sea- son were important factors explaining nest predation. The

DIRK E. BURHANS; DONALD DEARBORN; FRANK R. THOMPSON; JOHN FAABORG

338

Factors Affecting the Misperception of Friendliness Cues in Initial Interactions.  

ERIC Educational Resources Information Center

Some researchers have found men to attribute more sexual meaning to heterosexual interactions than do women. This study was conducted to examine factors which may enhance or diminish this gender difference on perceptions of sexual intent by considering the three variables of physical attractiveness of target, similarity of target's personality to…

Harnish, Richard J.; And Others

339

Factors that Affect Nontraditional Vocational Enrollment among Women.  

ERIC Educational Resources Information Center

Vocational training program females (N=470) completed a questionnaire assessing the role of personality and social support factors in nontraditional training enrollment. Results revealed differences in the amount of support and encouragement received from others, with nontraditional students receiving more support from female friends, family…

Houser, Betsy Bosak; Garvey, Chris

1985-01-01

340

Historic Factors Affecting Educational Administration in Korean Higher Education.  

ERIC Educational Resources Information Center

An official of the Korean Education Department Institute analyzes the effect of historic factors on current educational administration in Korea. He suggests that Confucianism, Shinto-Confucianism, Christianity, and Western ideas mainly dominate current Korean educational administration's organizational structure, culture, and leadership, while…

Lee, Jeong-Kyu

1999-01-01

341

FACTORS AFFECTING SENSITIVITY OF CHEMICAL AND ECOLOGICAL RESPONSES OF MARINE EMBAYMEMTS TO NITROGEN LOADING  

EPA Science Inventory

This paper summarizes an ongoing examination of the primary factors that affect sensitivity of marine embayment responses to nitrogen loading. Included is a discussion of two methods for using these factors: classification of embayments into discrete sensitivity classes and norma...

342

Environmental factors that can affect sleep and breathing: allergies.  

PubMed

Allergic rhinitis and associated symptomatic nasal obstruction negatively affect sleep through a variety of mechanisms and may contribute to persistent symptoms and poor adherence with medical device therapy for sleep apnea. A history of sinonasal symptoms, particularly those that occur at night or in the supine position, is the cornerstone of the medical evaluation. Further research into the relationship between allergic rhinitis and sleep disturbance would benefit from improved anatomic and pathophysiologic phenotyping as well as more advanced outcome measures such as spectral electroencephalogram analysis or other polysomnography variables beyond the apnea-hypopnea index. PMID:25156773

Kent, David T; Soose, Ryan J

2014-09-01

343

Animal factors affecting the meat quality of Australian lamb meat.  

PubMed

This paper integrates the key industry findings from the twelve preceding papers in this special edition of Meat science. In so doing, various animal factors important for the quality of Australian lamb meat are highlighted for sensory, visual appeal and human health attributes. Intramuscular fat concentration (IMF) was found to be a key element of eating quality that interacts both positively and negatively with a range of other factors. Shear force, IMF, colour stability and docosahexaenoic acid (DHA) will likely respond to genetic selection whilst other omega-3 fatty acids require nutritional intervention. Australian lamb meat can generally be regarded as a good source of the minerals iron and zinc; and a source of omega 3 fatty acids when finished on green pasture. Breeding priorities for meat quality will likely depend on breed type with improvement of meat colour stability more important for the wool focused Merino breed and improvement of sensory quality for the terminal sire breeds. PMID:24268675

Jacob, R H; Pethick, D W

2014-02-01

344

Factors affecting retention in science-based curriculums at HBCUs  

SciTech Connect

A systematic and comprehensive study of the retention of minority students enrolled in college-level engineering was conducted. The majority of prior work in this area focused on institutional retention factors for students in non-specified majors and considered students dropouts'' whenever there was a break in enrollment. This study looked only at students whose beginning major was engineering, enrolled primarily at historically black colleges and universities (HBCUs), including a comparison sample from a predominantly white institution (PWI). Science persisters were defined as those students who continuously enrolled in post-secondary institutions full- and part-time -- whether or not they transferred between institutions. The critical factor was their continued enrollment in engineering. Study participants provided four types of information: (1) a measure of academic motivation, (2) an objective measure of science interest, (3) a measure of nine aspects of normal personality functioning, and (4) an assessment of selected demographic variables. 64 refs.

Pelham, J.

1991-01-01

345

Factors affecting retention in science-based curriculums at HBCUs  

SciTech Connect

A systematic and comprehensive study of the retention of minority students enrolled in college-level engineering was conducted. The majority of prior work in this area focused on institutional retention factors for students in non-specified majors and considered students ``dropouts`` whenever there was a break in enrollment. This study looked only at students whose beginning major was engineering, enrolled primarily at historically black colleges and universities (HBCUs), including a comparison sample from a predominantly white institution (PWI). Science persisters were defined as those students who continuously enrolled in post-secondary institutions full- and part-time -- whether or not they transferred between institutions. The critical factor was their continued enrollment in engineering. Study participants provided four types of information: (1) a measure of academic motivation, (2) an objective measure of science interest, (3) a measure of nine aspects of normal personality functioning, and (4) an assessment of selected demographic variables. 64 refs.

Pelham, J.

1991-12-31

346

What Factors Affect Macroinvertebrate Life in Big Darby Creek?  

NSDL National Science Digital Library

The Darby Creek watershed encompasses an area of approximately 550 square miles in central Ohio. The Big and Little Darby Creeks are well known for their vast diversity and abundance of aquatic and terrestrial plants and animals. They are home to eighty-six species of fish, five of which are endangered. Forty-one species of freshwater mollusks live in these waters, eight of which are on the Ohio endangered list. In this lesson, students will identify trends and make predictions about the possible influence of climatic factors and vegetative growth on macroinvertebrates. Using three different sets of scientific data from an internet database (Live Access Server), they will generate and interpret line graphs. They will compare the graphs to identify correlations among factors investigated and make a prediction based on patterns in the data.

347

SOCIOECONOMIC, CULTURAL, AND BEHAVIORAL FACTORS AFFECTING HISPANIC HEALTH OUTCOMES  

PubMed Central

Evidence suggests that social and economic factors are important determinants of health. Yet, despite higher poverty rates, less education, and worse access to health care, health outcomes of many Hispanics living in the United States today are equal to, or better than, those of non-Hispanic whites. This paradox is described in the literature as the epidemiological paradox or Hispanic health paradox. In this paper, the authors selectively review data and research supporting the existence of the epidemiological paradox. They find substantial support for the existence of the epidemiological paradox, particularly among Mexican Americans. Census undercounts of Hispanics, misclassification of Hispanic deaths, and emigration of Hispanics do not fully account for the epidemiological paradox. Identifying protective factors underlying the epidemiological paradox, while improving access to care and the economic conditions among Hispanics, are important research and policy implications of this review. PMID:12407964

MORALES, LEO S.; LARA, MARIELENA; KINGTON, RAYNARD S.; VALDEZ, ROBERT O.; ESCARCE, JOSE J.

2006-01-01

348

Factors Affecting Greenhouse Gas Emissions From Rice Agriculture  

NASA Astrophysics Data System (ADS)

Experiments have shown that a few factors control the emissions of methane from rice fields. Among the most significant factors are water management and soil amendments. Continuous flooding and organic fertilizers result in the highest emissions of methane while intermittent flooding and use of nitrogen fertilizers produce more nitrous oxide. We measured fluxes of methane and nitrous oxide from tubs planted with rice grown in a greenhouse at Portland State University. We used classical factorial experimental design to calculate interactions between water management, nitrogen fertilizer application, and organic matter (chopped rice straw) for emission of methane and nitrous oxide. We will discuss the results of three years of experiments. This research was supported by the Office of Science (BER), US Department of Energy, Grant No. DE-FG02- 04ER63913.

Shearer, M. J.; Xiong, Z.; Khalil, M. K.

2007-12-01

349

Factors affecting nurses’ decision to get the flu vaccine  

Microsoft Academic Search

The objective of this study was to identify factors that influence the decision whether or not to get the influenza (flu)\\u000a vaccine among nurses in Israel by using the health belief model (HBM). A questionnaire distributed among 299 nurses in Israel\\u000a in winter 2005\\/2006 included (1) socio-demographic information; (2) variables based on the HBM, including susceptibility,\\u000a seriousness, benefits, barriers and

Shosh Shahrabani; Uri Benzion; Gregory Yom Din

2009-01-01

350

Factors affecting the species composition of arable field boundary vegetation  

Microsoft Academic Search

1. In recent decades the botanical diversity of arable field boundaries has declined drastically. To determine the most important factors related to the species composition of arable field boundaries, the vegetation composition of 105 herbaceous boundaries, 1-m wide, in the central and eastern Netherlands was surveyed. Biomass samples of the boundary were taken at 0-33, 34-66 and 67-100 cm from

David Kleijn; Marein Verbeek

2000-01-01

351

Factors Affecting the Toxicity of Methylmercury Injected into Eggs  

Microsoft Academic Search

We developed a standardized protocol for comparing the sensitivities of the embryos of different bird species to methylmercury\\u000a when methylmercury was injected into their eggs. During the course of developing this protocol, we investigated the effects\\u000a of various factors on the toxicity of the injected methylmercury. Most of our experiments were done with chicken (Gallus domesticus), mallard (Anas platyrhynchos), and

G. H. Heinz; D. J. Hoffman; S. L. Kondrad; C. A. Erwin

2006-01-01

352

Agricultural factors affecting Verticillium wilt in olive orchards in Spain  

Microsoft Academic Search

In recent years, the spread of Verticillium wilt in olive orchards, caused by the soil-borne pathogen Verticillium dahliae, is often related to intensive modern farming of highly productive cultivars, planted at high densities, usually irrigated,\\u000a and under a mechanised system. The effects of agricultural factors associated with olive orchards were investigated in an\\u000a important olive-growing area in southern Spain, as

E. Rodríguez; J. M. García-garrido; P. A. García; M. Campos

2008-01-01

353

Looking good: factors affecting the likelihood of having cosmetic surgery  

Microsoft Academic Search

The present study examined various factors associated with the likelihood of having cosmetic surgery in a community sample\\u000a of Austrian participants. One-hundred and sixty-eight women and 151 men completed a questionnaire measuring how likely they\\u000a were to consider common cosmetic procedures. The results showed that women were more likely than men to consider most cosmetic\\u000a procedures. Path analysis revealed that

Viren Swami; Adriane Arteche; Tomas Chamorro-Premuzic; Adrian Furnham; Stefan Stieger; Tanja Haubner; Martin Voracek

2008-01-01

354

Environmental factors affecting song control and song perception in songbirds  

Microsoft Academic Search

In songbirds, the differentiation of song and the song control system in the brain is mediated by the action of gonadal steroid\\u000a hormones that are influenced by environmental factors such as day length, food availability, and social relationships. In\\u000a particular, the Canary (Serinus canaria) and the Zebra Finch (Taeniopygia guttata) have become widely used animal models to study these brain

Stefan Leitner

2007-01-01

355

Israeli women entrepreneurs: An examination of factors affecting performance  

Microsoft Academic Search

This article examines individual factors influencing performance of 200 Israeli women-owned businesses. Whereas research on women entrepreneurs is extensive in developed countries, especially in the United States and Europe, there are comparatively few studies of performance of women-owned businesses in non-OECD countries. There is evidence that social structures (work, family, and organized social life) vary among developed and developing countries

Robert Hisrich; Candida Brush

1997-01-01

356

Work-family programs: factors affecting employee knowledge and accuracy  

Microsoft Academic Search

Purpose – This paper aims to analyze the factors contributing to employee professed knowledge of work-family practices offered by employers and the accuracy of their knowledge. Designed\\/methodology\\/approach – Survey data from four studies (ns=276, 2,877, 2,810, and 310) were used to relate employee demographics to their professed knowledge regarding the availability from their employing organizations of work-family practices. For a

David J. Prottas; Cynthia A. Thompson; Richard E. Kopelman; Eileen W. Jahn

2007-01-01

357

Faculty self-actualization: Factors affecting career success  

Microsoft Academic Search

This study determined the degree of relationship between four personal factors related to faculty growth and development, two environmental indices, and career success and satisfaction. Maslow's notion of self-actualization guided the construction of the personal indices of self-democraticness, support, tolerance, and trust; McGregor and Likert provided the theoretical bases for the environmental indices. The data came from the American Council

Robert C. Cares; Robert T. Blackburn

1978-01-01

358

Factors affecting attitudinal patterns toward education in the Dominican Republic  

E-print Network

The general objective of this thesis was to determine the attitude toward education of people in the Dominican Republic. Subsequent objectives included establishing the effect the following factors might have in relation to attitude toward education: age.... Narrowing the focus even further led to the problem centered around how the Dominican people think, feel, and react toward education, in other words, attitude toward education. There were 380 interviews conducted by trained interviewers in the northern...

Carpenter, Edwin Hugh

2012-06-07

359

Factors affecting statistical power in the detection of genetic association  

PubMed Central

The mapping of disease genes to specific loci has received a great deal of attention in the last decade, and many advances in therapeutics have resulted. Here we review family-based and population-based methods for association analysis. We define the factors that determine statistical power and show how study design and analysis should be designed to maximize the probability of localizing disease genes. PMID:15931375

Gordon, Derek; Finch, Stephen J.

2005-01-01

360

Factors Affecting Antigen Uptake by Human Intestinal Epithelial Cell Lines  

Microsoft Academic Search

We assessed the role of size, solubility, and prophagocytic cytokines interferon-? (IFN-?), and granulocyte-macrophage colony stimulatory factor (GM-CSF) in antigen uptake and kinetics by intestinal epithelial cells using keyhole limpet hemocyanin and ovalbumin. Both fluoresceinated keyhole limpet hemocyanin (3000–7500 kDa) and fluoresceinated ovalbumin (45 kDa) were internalized by human colonic epithelial cell lines, with kinetics similar to those of fluoresceinated

AgnesLaiping So; Gillian Small; Kirk Sperber; Kai Becker; Erwin Oei; Max Tyorkin; Lloyd Mayer

2000-01-01

361

Factors affecting weaning weights of Santa Gertrudis calves  

E-print Network

for diverse breed types. Age of dam correction factors specifically for Santa Gertrudis cattle were developed and have been generally accepted for use within the breed. However, no subsequent studies have been made to examine the appropriateness... there was evidence of disproportionate representation of sires brought about by biased matings of certain sires to specific age of dam groups. 21 TABLE 3. EFFECTS AND LEVELS CONSIDERED IN THE LEAST-SQUARES ANALYSIS FOR BULLS Effect 1966 1967 1968 1969 Total...

Farris, James Willis

2012-06-07

362

Factors affecting intellectual outcome in pediatric brain tumor patients  

SciTech Connect

A prospective study utilizing repeated intellectual testing was undertaken in 73 children with brain tumors consecutively admitted to Childrens Hospital of Los Angeles over a 3-year period to determine the effect of tumor location, extent of surgical resection, hydrocephalus, age of the child, radiation therapy, and chemotherapy on cognitive outcome. Forty-three patients were followed for at least two sequential intellectual assessments and provide the data for this study. Children with hemispheric tumors had the most general cognitive impairment. The degree of tumor resection, adequately treated hydrocephalus, and chemotherapy had no bearing on intellectual outcome. Age of the child affected outcome mainly as it related to radiation. Whole brain radiation therapy was associated with cognitive decline. This was especially true in children below 7 years of age, who experienced a very significant loss of function after whole brain radiation therapy.

Ellenberg, L.; McComb, J.G.; Siegel, S.E.; Stowe, S.

1987-11-01

363

Hydrostatic factors affect the gravity responses of algae and roots  

NASA Technical Reports Server (NTRS)

The hypothesis of Wayne et al. (1990) that plant cells perceive gravity by sensing a pressure differential between the top and the bottom of the cell was tested by subjecting rice roots and cells of Caracean algae to external solutions of various densities. It was found that increasing the density of the external medium had a profound effect on the polar ratio (PR, the ratio between velocities of the downwardly and upwardly streaming cytoplasm) of the Caracean algae cells. When these cells were placed in solutions of denser compound, the PR decreased to less than 1, as the density of the external medium became higher than that of the cell; thus, the normal gravity-induced polarity was reversed, indicating that the osmotic pressure of the medium affects the cell's ability to respond to gravity. In rice roots, an increase of the density of the solution inhibited the rate of gravitropism. These results agree with predictions of a hydrostatic model for graviperception.

Staves, Mark P.; Wayne, Randy; Leopold, A. C.

1991-01-01

364

Factors affecting computer-mediated instruction in medical education.  

PubMed

Although computer technology has progressed rapidly in the last decade, the use of computer mediated instruction as an adjunct to medical education has made only limited progress. This paper will attempt to analyze some of the major factors bearing on this limitation will review those areas where computer based instruction is potentially of greatest use, and will suggest means by which medical education can make greater use of the rapidly evolving information technologies. The Medical PLATO project at the University of Illinois will be used as an example to illustrate many of the points relating to the development of this field. PMID:2695775

Levy, A H

1989-11-01

365

Factors Affecting Price Differences of Cattle in the Southwest.  

E-print Network

determined. The estimates shr be useful as basic information for other rese---l .. extension projects. Regression equations were utilized to esti extent to which selected factors contribute to the , variation of feeder and slaughter cattle in the Sc... difference due to grades '0: slaughter cattle was about $1.50 per 100 pounds r' Choice over Good steers and about $1.30 for Choice 1 ' ' r7:r Good heifers. Price difference due to vary- -: neights for the same grade was small; for example, -:Ice...

James, J. B.; Farris, D. E.

1971-01-01

366

Factors affecting the retirement of commercial transport jet aircraft  

NASA Technical Reports Server (NTRS)

The historical background of the technology and economics of aircraft replacement and retirement in the prejet era is reviewed in order to determine whether useful insights can be obtained applicable to the jet era. Significant differences between the two periods are noted. New factors are identified and examined. Topics discussed include concern over current policies regarding deregulation, regulatory reform, and retroactive noise regulations; financing and compliance legislation; aging; economic environment and inflation; technological progress; fuel efficiency and cost; and a financial perspective of replacement decisions.

Spencer, F. A.

1979-01-01

367

Factors affecting proppant flowback with resin coated proppants  

SciTech Connect

Resin coated proppants (RCPs) have been used to prevent proppant flowback for several years in the hydraulic fracturing of oil and gas wells. Proppant flowback problems, however, still exist with the commercially available RCPs and several operators report failures around the world under a variety of well conditions. To date, a clear explanation of the RCP failure mechanisms and the conditions under which failure occurs has not been presented in the industry. A correlation between the unconfined compressive strength (UCS) of RCP materials and the proppant flowback potential has been previously presented by Vreeburg, et al. This paper will present the results of a study on a variety of factors which effect the proppant flowback of a number of commercially available RCP materials. These factors include (1) the effect of fluid pH (7 to 12) and fluid type (KCL, seawater and a HPG/Borate fracturing fluid), (2) the effect of fluid/proppant slurry shear, (3) the effect of closure pressure during RCP curing, (4) the effect of stress cycling and (5) the effect of downhole flow conditions on proppant flowback.

Almond, S.W.; Penny, G.S.; Conway, M.W. [Stim-Lab, Inc., Duncan, OK (United States)

1995-12-31

368

Factors affecting outcome of depressive symptoms in alcoholics.  

PubMed

Eighty-eight patients consecutively admitted to an alcohol treatment program were studied to determine the amount of depressive symptoms on entry to the program and after 4 weeks of treatment. The degree of symptoms was in turn related to various aspects of their drinking behavior. Twenty-two of the patients were classified as having moderate to marked depressive symptoms, 40 had mild symptoms, and 26 had no significant symptoms at the time of entry into the program. Factors in drinking behavior that best characterized those with moderate to marked symptoms were addiction, sleep disturbance, hangover incapacitation, loss of control, neurological signs, and organicity/toxicity. At the end of treatment, only four patients could actually be diagnosed as depressed, while 12 had mild residual symptoms and 72 no longer had significant symptoms. The one factor that clearly distinguished those patients with residual depressive symptoms was the use of drinking for social facilitation. For such individuals, bars and drinking were the focus of social life. The favorable course of depressive symptoms in alcoholics soon after they stop drinking suggests that they are more likely the consequence of drinking than the cause of it. The fact that patients who drink primarily to facilitate social aspects of their lives were the most likely to have residual symptoms suggests that treatment of such individuals should involve development of alternative mechanisms of social interaction. PMID:6346922

Nakamura, M M; Overall, J E; Hollister, L E; Radcliffe, E

1983-01-01

369

Factors affecting formation and rupture of intracranial saccular aneurysms.  

PubMed

Unruptured intracranial aneurysms represent a decisional challenge. Treatment risks have to be balanced against an unknown probability of rupture. A better understanding of the physiopathology is the basis for a better prediction of the natural history of an individual patient. Knowledge about the possible determining factors arises from a careful comparison between ruptured versus unruptured aneurysms and from the prospective observation and analysis of unbiased series with untreated, unruptured aneurysms. The key point is the correct identification of the determining variables for the fate of a specific aneurysm in a given individual. Thus, the increased knowledge of mechanisms of formation and eventual rupture of aneurysms should provide significant clues to the identification of rupture-prone aneurysms. Factors like structural vessel wall defects, local hemodynamic stress determined also by peculiar geometric configurations, and inflammation as trigger of a wall remodeling are crucial. In this sense the study of genetic modifiers of inflammatory responses together with the computational study of the vessel tree might contribute to identify aneurysms prone to rupture. The aim of this article is to underline the value of a unifying hypothesis that merges the role of geometry, with that of hemodynamics and of genetics as concerns vessel wall structure and inflammatory pathways. PMID:24306170

Bacigaluppi, S; Piccinelli, M; Antiga, L; Veneziani, A; Passerini, T; Rampini, P; Zavanone, M; Severi, P; Tredici, G; Zona, G; Krings, T; Boccardi, E; Penco, S; Fontanella, M

2014-01-01

370

FACTORS AFFECTING MACROPHYTE AND FISH DISTRIBUTION IN COASTAL WETLANDS OF GEORGIAN BAY  

E-print Network

FACTORS AFFECTING MACROPHYTE AND FISH DISTRIBUTION IN COASTAL WETLANDS OF GEORGIAN BAY #12;FACTORS AFFECTING MACROPHYTE AND FISH DISTRIBUTION IN COASTAL WETLANDS OF GEORGIAN BAY By MAJA CVETKOVIC, B and fish distribution in coastal wetlands of Georgian Bay AUTHOR: Maja Cvetkovic, B.Sc. (Mc

McMaster University

371

Factors Affecting the Production of Vietnamese Tones: A Study of American Learners  

ERIC Educational Resources Information Center

This study investigates factors that affect the accuracy of tone production by American students of Vietnamese as a second language (L2). Nine hypotheses are examined, each of which isolates a factor expected to affect production accuracy: (a) task type, (b) the position of a tone in a clause, (c) discourse distance between a model provided by a…

Nguyen, Hanh thi; Macken, Marlys A.

2008-01-01

372

Factors affecting colony attendance by Ancient Murrelets (Synthliboramphus antiquus) IANL. JONES'  

E-print Network

Factors affecting colony attendance by Ancient Murrelets (Synthliboramphus antiquus) IANL. JONES., and FALLS,J. B. 1990. Factors affecting colony attendance by Ancient Murrelets (Synthliboram- phus antiquus- phus antiquus). Can. J. Zool. 68 : 433-441. Nous avons CtudiC les facteurs de variation de I

Jones, Ian L.

373

Factors affecting the Distribution of Community Reinvestment Act (CRA) Loans across Household Income Groups  

Microsoft Academic Search

The purpose of the paper is to understand the soci-economic factors affecting the distribution of community reinvestment act loans across four income groups using county level information from 1996-2004 for the delta region. The specific objectives of the paper 1) Estimate an seemingly unrelated regression (SUR) to examine the factors affecting the distribution of loan across income groups 2) Prior

Rachael M. Carter; Saleem Shaik; Alan Barefield

2008-01-01

374

Factors That Affect the Academic Success of Foreign Students at Cardinal Stritch University  

ERIC Educational Resources Information Center

There are limited studies in the literature on the factors that affect the academic success of foreign students in the United States. This ex post facto mixed method study investigated the factors that affect the academic success of foreign students at Cardinal Stitch University (CSU), a medium size, private university located in the Midwestern…

Annor, Peter

2010-01-01

375

Factors Affecting Diurnal Activity of Fishers in North-Central British Columbia  

Microsoft Academic Search

Mustelids, with their long, thin bodies and poor fat storage capabilities, perform an energetic balancing act when making decisions about energy expenditure. Activity rates provide vital insights into the factors that may affect these energy balances. Using radiotelemetry, we examined factors that affected the likelihood of diurnal activity of fishers (Martes pennanti) in north-central British Columbia, Canada. We assessed the

Richard D. Weir; Fraser B. Corbould

2007-01-01

376

Factors that affect women's attitudes toward domestic violence in Turkey.  

PubMed

This article examines the attitudes of Turkish women toward justification of intimate partner violence. The data were gathered from the 2003 Turkey Demographic and Health Survey. A random sample of 8,075, aged 15-49, participated in the survey. The findings underline the importance of patriarchal beliefs and the associated practice of brides-money in addition to rural residence, large household, illiteracy, lack of wealth, and younger age at marriage as the sources of acceptance of violence among women. The study provides a theoretical explanation for how patriarchal ideology is translated into an accepting attitude toward violence and also discusses the factors that serve as mechanisms that help women resist patriarchal hegemony and not justify domestic violence against women. The final section of the article addresses policy implications. PMID:20514820

Marshall, Gul Aldikacti; Furr, L Allen

2010-01-01

377

Factors affecting successful endoscopic sclerotherapy for oesophageal varices.  

PubMed Central

Forty patients with bleeding oesophageal varices were studied during treatment by endoscopic sclerotherapy to discover what factors determine successful outcome. Large varices required more injections than small varices for obliteration, and rebleeding during treatment occurred only in patients with large varices. Radiological studies with sclerosant contrast mixture showed that in two groups of varices of comparable size, intravenous sclerosant was significantly more effective, leading to thrombosis in 8/10 as opposed to only 3/10 after paravasal injection (p less than 0.05). Intravenous contrast was rapidly cleared upwards, whereas paravasal contrast formed a rounded opacity alongside the vein that persisted for approximately 90 minutes, responsible for the complications of oesophageal ulceration and stenosis. PMID:6352422

Rose, J D; Crane, M D; Smith, P M

1983-01-01

378

Factors affecting plasma aluminum concentrations in nonexposed workers  

SciTech Connect

In this study, the distribution and determinants of plasma aluminum concentrations were examined in 71 office employees not occupationally exposed to aluminum. The samples were analyzed by Zeeman graphite furnace atomic absorption spectroscopy and were found to be log normally distributed. After using the International Federation of Clinical Chemistry (IFCC) recommended procedure for removal of likely aberrant values, the 95th percentile value was 198 nmol/L (90% CI:165-238); when those using antacids were also excluded, the 95th percentile value fell to 175 nmol/L (90% CI:147-208). Multiple regression analysis indicated that the factors most predictive of log plasma aluminum were the batch in which the sample was analyzed and the use of antacids containing aluminum. The statistical significance of the batch variable likely indicates the well-recognized problem of contamination in sampling and analyzing aluminum.35 references.

House, R.A. (Department of Occupational and Environmental Health, St Michael's Hospital, University of Toronto, Ontario (Canada))

1992-10-01

379

Factors affecting the formulation of sustained release potassium chloride tablets.  

PubMed

In this study, influence of several formulation factors on the release kinetics of potassium chloride from directly compressed matrices are investigated. Formulations containing hydrophilic (methylcellulose, carbomer), plastic (polyvinyl chloride), and wax (glycerol palmitostearate) matrix materials at concentrations of 10, 15 and 20%, incorporated with potassium chloride as active ingredient and insoluble excipients were prepared and studied in vitro using the USP XXI/NF XVI rotating paddle method. Hardness had no markedly effect on the release characteristics of formulations except for wax matrix material formulation. Results of goodness of fit analysis applied to release data had shown that the release mechanism was described by the Higuchi diffusion controlled model. Positive deviations from Higuchi equation might be due to the erosion of gel layer. Analysis of in vitro release mechanisms indicated that the most suitable results were obtained by methylcellulose and glycerol palmitostearate. PMID:1811230

Senel, S; Capan, Y; Hincal, A A

1991-11-01

380

Factors affecting skin tannin extractability in ripening grapes.  

PubMed

The acetone-extractable (70% v/v) skin tannin content of Vitis vinifera L. cv. Cabernet Sauvignon grapes was found to increase during late-stage ripening. Conversely, skin tannin content determined following ethanol extraction (10, 20, and 50% v/v) did not consistently reflect this trend. The results indicated that a fraction of tannin became less extractable in aqueous ethanol during ripening. Skin cell walls were observed to become more porous during ripening, which may facilitate the sequestering of tannin as an adsorbed fraction within cell walls. For ethanol extracts, tannin molecular mass increased with advancing ripeness, even when extractable tannin content was constant, but this effect was negligible in acetone extracts. Reconstitution experiments with isolated skin tannin and cell wall material indicated that the selectivity of tannin adsorption by cell walls changed as tannin concentration increased. Tannin concentration, tannin molecular mass, and cell wall porosity are discussed as factors that may influence skin tannin extractability. PMID:24432763

Bindon, Keren A; Madani, S Hadi; Pendleton, Phillip; Smith, Paul A; Kennedy, James A

2014-02-01

381

LPN perspectives of factors that affect nurse mobility in Canada.  

PubMed

Although the licensed practical nurse (LPN) workforce represents an ever-growing and valuable human resource, very little is known about reasons for practical nurse mobility. The purpose of this study was to describe LPN perspectives regarding motives for inter-provincial/territorial (P/T) movement in Canada. Participants included 200 LPNs from nine P/T, and data were analyzed using a qualitative descriptive approach. Three primary themes were identified regarding motivators for LPN migration, including (a) scope of practice, (b) education and advancement opportunities and (c) professional respect and recognition. Although current economic forces have a strong influence on nurse mobility, these findings emphasize that there are other equally important factors influencing LPNs to move between jurisdictions. As such, policy makers, administrators and researchers should further explore and address these themes in order to strengthen Canada's nursing workforce. PMID:24863722

Harris, Alexandra; Hall, Linda McGillis; Price, Sheri; Lalonde, Michelle; Andrews, Gavin; MacDonald-Rencz, Sandra

2013-04-01

382

Factors affecting PEG-mediated stable transformation of maize protoplasts.  

PubMed

Factors influencing the frequency of stable transformation and co-transformation of maize protoplasts utilizing a polyethylene glycol (PEG) mediated DNA uptake procedure have been investigated. Protoplast plating conditions, pre-treatment buffer composition, PEG concentration, and DNA concentration were all found to be important. Carrier DNA was not beneficial when transforming with circular plasmid DNA. The effect of linearizing plasmid DNA was inconsistent across experiments, and may be dependent on the presence of carrier DNA. Functional co-transformation of an unlinked marker gene (hygromycin phosphotransferase) was increased by increasing the ratio of nonselected:selected DNA, and varied from 39% at a 1?1 ratio to 65% at a 100?1 ratio. Under optimum conditions, up to 300 transformed calli were recovered per million input protoplasts. The protocol is simple, inexpensive, and effective, and is useful for studies in maize requiring large numbers of stably transformed or co-transformed cell lines. PMID:24226946

Armstrong, C L; Petersen, W L; Buchholz, W G; Bowen, B A; Sulc, S L

1990-10-01

383

Factors Affecting Junior High School Students' Interest in Physics  

NASA Astrophysics Data System (ADS)

We report the results of a study on students' interest in physics at the end of their compulsory schooling in Israel carried out in the framework of the ROSE Project. Factors studied were their opinions about science classes, their out-of-school experiences in physics, and their attitudes toward science and technology. Students' overall interest in physics was "neutral" (neither positive nor negative), with boys showing a higher interest than girls. We found a strong correlation between students' "neutral" interest in physics and their negative opinions about science classes. These findings raise serious questions about the implementation of changes made in the Israeli science curriculum in primary and junior high school, especially if the goal is to prepare the young generation for life in a scientific-technological era. A more in-depth analysis of the results led us to formulate curricular, behavioral, and organizational changes needed to reach this goal.

Trumper, Ricardo

2006-03-01

384

Factors affecting floral herbivory in a limestone grassland  

NASA Astrophysics Data System (ADS)

The amount of herbivore damage to the petals of 41 species of herbaceous plant was surveyed from April to September in a limestone grassland in central England. Damage was recorded as the percentage of the petal area removed. Most damage was caused by invertebrates, particularly slugs. The amount of invertebrate damage differed significantly between plant species and with time of year. The mean damage across all species was only 2 %, ranging from an average of 0 % in Galium sterneri to 8 % in Primula vulgaris. In most species, less than a quarter of flowers received any damage, so those that were damaged were often severely affected. Species flowering early or late in the season received more damage, possibly because of greater slug activity. Hypotheses to explain the inter-specific variation in the amount of herbivory were examined by testing for correlations with a range of plant variables. No correlations with flower-stem length, flower-stem thickness or the longevity of flowers were apparent. The amount of petal damage correlated strongly with flower size and petal thickness. This appeared to result from the prevalence of large-flowered species early and late in the season rather than from a preference for flower size and petal thickness per se. The evolutionary significance of floral herbivory is discussed.

Breadmore, Karen N.; Kirk, William D. J.

1998-12-01

385

Factors that affect social cue recognition in schizophrenia.  

PubMed

Earlier research (Corrigan and Green, Am. J. Psychiatry, 150 (1993) 589-594) showed fairly symptomatic persons with schizophrenia give more false-positive responses when answering questions about abstract cues in a social situation (i.e. affect, rules, and goals inferred about an interpersonal situation) than concrete cues (i.e. actions and dialogue observed in a situation). It is unclear, however, whether differential cue recognition is due to schizophrenia per se, or some aspect of the illness commensurate with significant symptoms and in-patient care. Moreover, the abstract and concrete dimension in the earlier study had not been independently validated. In this study, the 288 items of the Social Cue Recognition Test (SCRT) were divided into three sets based on abstraction ratings provided by 38 college students. The SCRT was then completed by 48 participants with DSM-III-R diagnoses of schizophrenia or schizoaffective disorder. Participants with schizophrenia were divided into low and high symptom groups using scores from the Brief Psychiatric Rating Scale. Results showed both low symptom and high symptom groups exhibited a differential deficit in cue recognition. False positives were greater for items rated as more abstract. Implications for understanding the social cognitive deficits of persons with schizophrenia are discussed. PMID:9657423

Corrigan, P W; Nelson, D R

1998-05-01

386

Factors affecting mechanical properties of biomass pellet from compost.  

PubMed

Effectiveness of a densification process to create strong and durable bonding in pellets can be determined by testing the mechanical properties such as compressive strength (CS) and durability. Mechanical properties of pellet from composted municipal solid waste were determined at different raw material and densification conditions. Ground compost samples were compressed with three levels of moisture content (35%, 40% and 45% (wb)), piston compaction speed (2, 6 and 10 mm/s), die length (8, 10 and 12mm) and raw material particle size (0.3, 0.9 and 1.5mm) into cylindrical pellets utilizing opened-end dies under axial stress from a vertical piston applied by a hydraulic press. The effects of independent variables on mechanical properties were determined using response surface methodology based on Box-Behnken design (BBD). All independent variables affected the durability significantly. However, different piston speed and die length not produce any significant difference on CS of pellets. Also in this research the electron photography method was used to identify the binding mechanism of compost particles. PMID:24600888

Zafari, A; Kianmehr, M H

2014-01-01

387

Temperature can interact with landscape factors to affect songbird productivity.  

PubMed

Increased temperatures and more extreme weather patterns associated with global climate change can interact with other factors that regulate animal populations, but many climate change studies do not incorporate other threats to wildlife in their analyses. We used 20 years of nest-monitoring data from study sites across a gradient of habitat fragmentation in Missouri, USA, to investigate the relative influence of weather variables (temperature and precipitation) and landscape factors (forest cover and edge density) on the number of young produced per nest attempt (i.e., productivity) for three species of songbirds. We detected a strong forest cover × temperature interaction for the Acadian Flycatcher (Empidonax virescens) on productivity. Greater forest cover resulted in greater productivity because of reduced brood parasitism and increased nest survival, whereas greater temperatures reduced productivity in highly forested landscapes because of increased nest predation but had no effect in less forested landscapes. The Indigo Bunting (Passerina cyanea) exhibited a similar pattern, albeit with a marginal forest cover × temperature interaction. By contrast, productivity of the Northern Cardinal (Cardinalis cardinalis) was not influenced by landscape effects or temperature. Our results highlight a potential difficulty of managing wildlife in response to global change such as habitat fragmentation and climate warming, as the habitat associated with the greatest productivity for flycatchers was also that most negatively influenced by high temperatures. The influence of high temperatures on nest predation (and therefore, nest predators) underscores the need to acknowledge the potential complexity of species' responses to climate change by incorporating a more thorough consideration of community ecology in the development of models of climate impacts on wildlife. PMID:23504884

Cox, W Andrew; Thompson, Frank R; Reidy, Jennifer L; Faaborg, John

2013-04-01

388

Natural and anthropogenic factors affecting the groundwater quality in Serbia.  

PubMed

Various chemometric techniques were used to analyze the quality of groundwater data sets. Seventeen water quality parameters: the cations Na, K, Ca, Mg, the anions Cl, SO4, NO3, HCO3 and nine trace elements Pb, As, Mn, Ni, Cu, Cd, Fe, Zn and Cr were measured at 66 different key sampling sites in ten representative areas (low land-Northern Autonomous Province of Serbia, Vojvodina and central Serbia) for the summer period of 2009. HCA grouped the sample sites into four clusters based on the similarities of the characteristics of the groundwater quality. DA showed two parameters, HCO3 and Zn, affording more than 90% correct assignments in the spatial analysis of four/three different regions in Serbia. Factor analysis was applied on the log-transformed data sets and allowed the identification of a reduced number of factors with hydrochemical meaning. The results showed severe pollution with Mn, As, NO3, Ni, Pb whereby anthropogenic origin of these contaminants was indicated. The pollution comes from both scattered point sources (industrial and urban effluent) and diffuse source agricultural activity. These samples may not be suitable for human consumption; the water quality belongs to class III/IV (contaminated). The Fe anomalies (7.1mg/L) in the water from the Vetrnica site can be attributed to natural sources, such as the dissolution of rock masses and rock fragments. The serious groundwater contamination with As (25.7-137.8 ?g/L) in the area of Banat (Northern Autonomous Province of Serbia, Vojvodina) and a sample No. 9 at the Great Morava River requires urgent attention. PMID:24080418

Devic, Gordana; Djordjevic, Dragana; Sakan, Sanja

2014-01-15

389

Socioeconomic Factors Affecting Local Support for Black Bear Recovery Strategies  

NASA Astrophysics Data System (ADS)

There is global interest in recovering locally extirpated carnivore species. Successful efforts to recover Louisiana black bear in Louisiana have prompted interest in recovery throughout the species’ historical range. We evaluated support for three potential black bear recovery strategies prior to public release of a black bear conservation and management plan for eastern Texas, United States. Data were collected from 1,006 residents living in proximity to potential recovery locations, particularly Big Thicket National Preserve. In addition to traditional logistic regression analysis, we used conditional probability analysis to statistically and visually evaluate probabilities of public support for potential black bear recovery strategies based on socioeconomic characteristics. Allowing black bears to repopulate the region on their own (i.e., without active reintroduction) was the recovery strategy with the greatest probability of acceptance. Recovery strategy acceptance was influenced by many socioeconomic factors. Older and long-time local residents were most likely to want to exclude black bears from the area. Concern about the problems that black bears may cause was the only variable significantly related to support or non-support across all strategies. Lack of personal knowledge about black bears was the most frequent reason for uncertainty about preferred strategy. In order to reduce local uncertainty about possible recovery strategies, we suggest that wildlife managers focus outreach efforts on providing local residents with general information about black bears, as well as information pertinent to minimizing the potential for human-black bear conflict.

Morzillo, Anita T.; Mertig, Angela G.; Hollister, Jeffrey W.; Garner, Nathan; Liu, Jianguo

2010-06-01

390

"Receptivity": an important factor affecting supportive care provision.  

PubMed

The research on psychosocial need provides the foundation informing the drive for the provision of supportive care services for patients and their families. The work on patient access, barriers to participation, and service evaluation are providing some insights that can help guide practitioners in their efforts to ensure that services designed to meet psychosocial need reach and involve the appropriate individuals. However, this direction is presently in its infancy leaving many questions unanswered. This article makes a contribution to advancing and strengthening this line of research through a fresh perspective on the topic provided by consumer research with individuals diagnosed with a hematological malignancy. The research was initiated and funded by the Leukaemia Foundation of Queensland (LFQ) with the aim of exploring the experience of survivorship for individuals diagnosed with a hematological malignancy to inform supportive care service provision and development. The findings from the research posit the notion of "receptivity" as an important new concept that can contribute to the deepening of our understanding of the myriad of factors associated with effectively engaging with individuals in supportive care service provision. PMID:23311970

McGrath, Pamela

2013-01-01

391

Organisational factors affecting the quality of hospital clinical coding.  

PubMed

The influence of organisational factors on the quality of hospital coding using the International Statistical Classification of Diseases and Health Related Problems, 10th Revision, Australian Modification (ICD-10-AM) was investigated using a mixed quantitative-qualitative approach. The organisational variables studied were: hospital specialty; geographical locality; structural characteristics of the coding unit; education, training and resource supports for Clinical Coders; and quality control mechanisms. Baseline data on the hospitals' coding quality, measured by the Performance Indicators for Coding Quality tool, were used as an independent index measure. No differences were found in error rates between rural and metropolitan hospitals, or general and specialist hospitals. Clinical Coder allocation to "general" rather than "specialist" unit coding resulted in fewer errors. Coding Managers reported that coding quality can be improved by: Coders engaging in a variety of role behaviours; improved Coder career opportunities; higher staffing levels; reduced throughput; fewer time constraints on coding outputs and associated work; and increased Coder interactions with medical staff. PMID:18245862

Santos, Suong; Murphy, Gregory; Baxter, Kathryn; Robinson, Kerin M

2008-01-01

392

Experimental and environmental factors affect spurious detection of ecological thresholds  

USGS Publications Warehouse

Threshold detection methods are increasingly popular for assessing nonlinear responses to environmental change, but their statistical performance remains poorly understood. We simulated linear change in stream benthic macroinvertebrate communities and evaluated the performance of commonly used threshold detection methods based on model fitting (piecewise quantile regression [PQR]), data partitioning (nonparametric change point analysis [NCPA]), and a hybrid approach (significant zero crossings [SiZer]). We demonstrated that false detection of ecological thresholds (type I errors) and inferences on threshold locations are influenced by sample size, rate of linear change, and frequency of observations across the environmental gradient (i.e., sample-environment distribution, SED). However, the relative importance of these factors varied among statistical methods and between inference types. False detection rates were influenced primarily by user-selected parameters for PQR (?) and SiZer (bandwidth) and secondarily by sample size (for PQR) and SED (for SiZer). In contrast, the location of reported thresholds was influenced primarily by SED. Bootstrapped confidence intervals for NCPA threshold locations revealed strong correspondence to SED. We conclude that the choice of statistical methods for threshold detection should be matched to experimental and environmental constraints to minimize false detection rates and avoid spurious inferences regarding threshold location.

Daily, Jonathan P.; Hitt, Nathaniel P.; Smith, David R.; Snyder, Craig D.

2012-01-01

393

Upper extremity physical factors affecting tennis serve velocity.  

PubMed

Forty tournament-level tennis players with expert serve technique volunteered to have their serve evaluated to determine relationships between anthropometric data, extremity strength, and functional serve velocity. All players underwent a complete physical examination, a video taped serve analysis, a radar measurement of serve velocity, and a series of upper extremity strength measurements. Statistical analysis was performed to determine which factors were related to serve velocity. Statistically significant relationships were found between serve velocity and several flexibility measurements including increased dominant wrist flexion (P < 0.05), increased dominant shoulder flexion (P < 0.05), and increased dominant shoulder internal rotation at 0 degrees of abduction (P < 0.05). Several strength measurements were also related to serve velocity including elbow extension torque production (P < 0.01) and the ratios of internal to external rotational torque production for both low- and high-speed measurements (P < 0.01 concentrically and P < 0.05 eccentrically). These findings relate strength and flexibility to serve velocity, suggesting that it may be possible to increase a tennis player's serve velocity through specifically directed muscular strengthening or stretching regimens. However, prospective studies must be undertaken to demonstrate these possibilities. PMID:7856797

Cohen, D B; Mont, M A; Campbell, K R; Vogelstein, B N; Loewy, J W

1994-01-01

394

Oxytocin and Psychological Factors Affecting Type 2 Diabetes Mellitus  

PubMed Central

Background. The aim of this study was to investigate the association of oxytocin with trait and state psychological factors in type 2 diabetic patients. Methods. OXT and psychological variables were analyzed from 86 controlled diabetic patients (glycosylated haemoglobin A1c (HbA1c) < 7%) from 45 uncontrolled diabetic patients (HbA1c ? 7). Psychological characteristics were assessed with the Eysenck Personality Questionnaire (EPQ), while state psychological characteristics were measured with the Symptom Checklist 90-R (SCL 90-R). Blood samples were taken for measuring oxytocin in both subgroups during the initial phase of the study. One year later, the uncontrolled diabetic patients were reevaluated with the use of the same psychometric instruments. Results. During the first evaluation of the uncontrolled diabetic patients, a statistically significant positive relationship between the levels of OXT and psychoticism in EPQ rating scale (P < 0.013) was observed. For controlled diabetic patients, a statistically significant negative relationship between oxytocin and somatization (P < 0.030), as well as obsessive-compulsive scores (P < 0.047) in SCL-90 rating scale, was observed. During the second assessment, the values of OXT decreased when the patients managed to control their metabolic profile. Conclusions. The OXT is in association with psychoticism, somatization, and obsessionality may be implicated in T2DM. PMID:22997507

Kontoangelos, K.; Raptis, A. E.; Papageorgiou, C. C.; Tsiotra, P. C.; Papadimitriou, G. N.; Rabavilas, A. D.; Dimitriadis, G.; Raptis, S. A.

2012-01-01

395

Factors affecting social workers' inclusion of animals in practice.  

PubMed

Experts suggest that social work practitioners can improve their client service with a more thorough understanding of the impact of other animals on individuals and families. Studies indicate that some social work practitioners are including animals in their practices through assessment and interventions. Little is known about what factors contribute to this inclusion, especially because there is a lack of attention in social work education and research to animal-human relationships. This study used logistical regression to examine the impact of certain demographic, knowledge, and practice variables on the inclusion of animals in social work practice. Findings include that knowing other social workers who include animals in practice and primary client population served were significant for inclusion of animals in assessment, animal-assisted intervention, and treating clients for animal abuse or loss of an animal. Although practitioners' having a companion animal was positively related to including animals in interventions and treating clients for loss of an animal, contributing to animal welfare through volunteering at shelters or financially contributing to animal groups did not have an effect on inclusion of animals in practice. Implications for these and other findings are discussed, and recommendations for social work research, education, and practice are offered. PMID:23724578

Risley-Curtiss, Christina; Rogge, Mary E; Kawam, Elisa

2013-04-01

396

Factors Affecting Timely Completion of a PhD: A Complex Systems Approach  

ERIC Educational Resources Information Center

Completing a PhD on time is a complex process, influenced by many interacting factors. In this paper we take a Bayesian Network approach to analyzing the factors perceived to be important in achieving this aim. Focusing on a single research group in Mathematical Sciences, we develop a conceptual model to describe the factors considered to be…

Pitchforth, Jegar; Beames, Stephanie; Thomas, Aleysha; Falk, Matthew; Farr, Charisse; Gasson, Susan; Thamrin, Sri Astuti; Mengersen, Kerrie

2012-01-01

397

Factors affecting UV/H2O2 inactivation of Bacillus atrophaeus spores in drinking water.  

PubMed

This study aims at estimating the performance of the Bacillus atrophaeus spores inactivation by the UV treatment with addition of H2O2. The effect of factors affecting the inactivation was investigated, including initial H2O2 dose, UV irradiance, initial cell density, initial solution pH and various inorganic anions. Under the experimental conditions, the B. atrophaeus spores inactivation followed both the modified Hom Model and the Chick's Model. The results revealed that the H2O2 played dual roles in the reactions, while the optimum reduction of 5.88lg was received at 0.5mM H2O2 for 10min. The inactivation effect was affected by the UV irradiance, while better inactivation effect was achieved at higher irradiance. An increase in the initial cell density slowed down the inactivation process. A slight acid condition at pH 5 was considered as the optimal pH value. The inactivation effect within 10min followed the order of pH 5>pH 7>pH 9>pH 3>pH 11. The effects of three added inorganic anions were investigated and compared, including sulfate (SO4(2)(-)), nitrate (NO3(-)) and carbonate (CO3(2)(-)). The sequence of inactivation effect within 10min followed the order of control group>SO4(2)(-)>NO3(-)>CO3(2)(-). PMID:24792469

Zhang, Yongji; Zhang, Yiqing; Zhou, Lingling; Tan, Chaoqun

2014-05-01

398

Factors Influencing Persistence/Achievement in the Sciences and Health Professions by Black High School and College Women. Final Report.  

ERIC Educational Resources Information Center

This paper reports on a study which investigated socioeconomic, academic, and psychosocial factors that might affect enrollment and persistence rates of black women in science and health careers. An overview is presented of women in science, black women's status in science, role models and support groups, other factors affecting persistence, and…

Turner, Henrie M.; And Others

399

The development of gender differences in affective expression and in the relationship between mood and achievement-related self-judgments  

Microsoft Academic Search

In this study, 434 children and adolescents completed the Control-,Agency-, and Means-ends beliefs Interview (CAMI). Moreover,\\u000a we asked for current mood-state and achievement-related affect after success and failure at school. There was no gender difference\\u000a in achievement-related affective expression in children (9 and 10 years old), but there was a substantial difference in adolescents\\u000a (15 and 16 years old), boys

Rolf Reber; August Flammer

2002-01-01

400

Meteorological factors affecting ozone profiles over the North Atlantic ocean  

SciTech Connect

Ozone measurements taken by an instrumented aircraft over the western North Atlantic in the summer of 1992 revealed numerous profiles that consisted of two principal layers with different, nearly constant mixing ratios in each layer. The lower layer was characterized by relatively small mixing ratios (<25-30 ppb), while the upper layer had values a factor of two or more higher. The depth of the lower layer frequently corresponded to the depth of the mixed layer over the ocean as estimated from potential temperature observations. The upper layer with relatively uniform ozone distribution extended at least to the maximum sampling height of the aircraft on these flights, approximately 2.5 km. A three-dimensional mesoscale model is used to simulate the meteorology over the area for a representative case study day. Trajectory analysis shows that the air in the sampling region originated over relatively pristine areas of northern and eastern Canada, followed a path that avoided major anthropogenic sources of ozone precursors over land, and eventually moved out over the ocean. Because of inhomogeneities in the sea surface temperatures in the observation area, the spatial and temporal evolution of the boundary layer over the ocean differed significantly over distances of only a few hundred kilometers. These differences are identified as mechanisms responsible for the development of the characteristic shapes of ozone and potential temperature profiles. These findings indicate the critical role played by meteorological processes irrespective of the details of the photochemical reactions. The results also imply that a failure to incorporate detailed descriptions of meteorology in photochemical models may lead to erroneous interpretations of the data.

Doran, J.C.; Zhong, S.; Berkowitz, C.M. [Pacific Northwest Lab., Richland, WA (United States)

1996-12-31

401

AC 2009-1266: THE WAYS IN WHICH K-8 STUDENTS' PARTICIPATION IN A GK-12 PROGRAM AFFECTS ACHIEVEMENT IN AND BELIEFS ABOUT  

E-print Network

AC 2009-1266: THE WAYS IN WHICH K-8 STUDENTS' PARTICIPATION IN A GK-12 PROGRAM AFFECTS ACHIEVEMENT was conducted comparing the standardized achievement test scores of program participants to similar non- participants. Results indicate that significant gains occur when students participate in the program for two

402

Factors Affecting Teachers' Perceived Readiness for Online Collaborative Learning: A Case Study in Malaysia  

Microsoft Academic Search

This paper investigates factors affecting the perceived readiness for online collaborative learning (OCL) of a sample of 86 mathematics teachers from 12 secondary schools. Descriptive analysis, factor analysis, confirmatory factor analysis and structure equation modeling were used to analyze the data. A moderately fit model was generated and able to inform that time constraint and insufficient access to technology such

Ah-choo Koo

2008-01-01

403

A MULTI-YEAR STUDY OF FACTORS AFFECTING FRUIT PRODUCTION IN ARISTOLOCHIA PAUCINERVIS  

E-print Network

A MULTI-YEAR STUDY OF FACTORS AFFECTING FRUIT PRODUCTION IN ARISTOLOCHIA PAUCINERVIS-pollination seems to be a decisive factor in fruit production because the number of germinated pollen and the fruit can be the first factor limiting fruit production (Schemske, 1980; Howell and Roth, 1981; Arista et al

Herrera, Carlos M.

404

How psychopathological factors affect both the onset of and recovery from Transient Global Amnesia  

E-print Network

1 How psychopathological factors affect both the onset of and recovery from Transient Global Amnesia Short title: Role of psychopathological factors in TGA Audrey Noël, Peggy Quinette, Bérengère measures of psychopathological factors (anxiety and depression), in 38 patients (28 included in our

Paris-Sud XI, Université de

405

Factors Affecting Placement Failure: An Analysis Of Sacramento County Juvenile Offenders  

Microsoft Academic Search

This paper is an analysis of factors that affect failure probabilities for juvenile offenders sentenced to placement programs in Sacramento County, California. The application of regression analysis facilitates the examination of the relationship between placemen t failure and the theorized explanatory factors: criminal history, conduct and personality, family background, substance abuse, and personal characteristics. The identification of statistically significant factors

Catherine J. Burnette

406

The academic achievement of African American students during early adolescence: an examination of multiple risk, promotive, and protective factors.  

PubMed

This study examined the effects of multiple risk, promotive, and protective factors on three achievement-related measures (i.e., grade point average, number of absences, and math achievement test scores) for African American 7th-grade students (n = 837). There were 3 main findings. First, adolescents had lower grade point averages, more absences, and lower achievement test scores as their exposure to risk factors increased. Second, different promotive and protective factors emerged as significant contributors depending on the nature of the achievement-related outcome that was being assessed. Third, protective factors were identified whose effects were magnified in the presence of multiple risks. Results were discussed in light of the developmental tasks facing adolescents and the contexts in which youth exposed to multiple risks and their families live. PMID:12054035

Gutman, Leslie Morrison; Sameroff, Arnold J; Eccles, Jacquelynne S

2002-06-01

407

Elementary Math Achievement for Rural Development: Effects of Contextual Factors Intrinsic to the Modern World. Working Paper.  

ERIC Educational Resources Information Center

Rural development is often presumed to rest on educational improvement, and high levels of mathematics achievement might seem essential to improving the quality of rural life and the viability of rural communities. Efforts to promote math achievement growth are usually limited to curricular and instructional innovations, while contextual factors

Bickel, Robert; Howley, Caitlin

408

Social Risk and Protective Factors for African American Children's Academic Achievement and Adjustment During the Transition to Middle School  

Microsoft Academic Search

The transition to middle school is often marked by decreased academic achievement and increased emotional stress, and African American children exposed to social risk may be especially vulnerable during this transition. To identify mediators and protective factors, the authors related severity and timing of risk exposure to academic achievement and adjustment between 4th and 6th grade in 74 African American

Margaret R. Burchinal; Joanne E. Roberts; Susan A. Zeisel; Stephanie J. Rowley

2008-01-01

409

Factors Affecting the Reactvity of Granular Iron in contact with Chlorinated Solvents  

E-print Network

This study investigates, at various scales, the factors that affect the reactivity of granular iron (GI) toward chlorinated solvents and link these scale-specific processes with each other. The Kinetic Iron Model (KIM), ...

Firdous, Rubina

2013-12-31

410

Factors affecting the permanence of livestock projects undertaken by Heifer International-Mexico  

E-print Network

in the state of Durango, Mexico. This study identified and analyzed the factors affecting the permanence of hog and dairy cow projects in four communities in the state of Durango, Mexico. The researcher interviewed seven project managers and 35 beneficiaries...

Arispe, Sergio Adrian

2012-06-07

411

Bioaccumulation of Organic Contaminants by Diporeia spp.: Kinetics and Factors Affecting Bioavailability  

E-print Network

Bioaccumulation of Organic Contaminants by Diporeia spp.: Kinetics and Factors Affecting (PAH) by Diporeia , a major benthic food web component in the Great Lakes, suggests of sediment, water, sediment-trap material and Diporeia were collected monthly from two stations

412

Genetic and environmental factors affecting growth characters of Charolais cattle in Southeastern Brazil  

E-print Network

G=NETIC AND ENVIRONMENTAL FACTORS AFFECTING GROWTH CHARACTERS OF CHAROLAIS CATTLE IN SOUTHEASTERN BRAZIL A Thesis by PEDRO FRANKLIN BARBOSA Submitted to the Graduate College of Texas ASM University in partial fulfillment of the requirement... for the degree of MASTER OF SCIENCE December 1982 Major Subject: Animal Breeding GENETIC AND ENVIRONMENTAL FACTORS AFFECTING GROWTH CHARACTERS OF CHAROLAIS CATTLE IN SOUTHEASTERN BRAZIL A Thesis by PEDRO FRANKLIN BARBOSA Approved as to style and content...

Barbosa, Pedro Franklin

2012-06-07

413

Genetic and environmental factors affecting growth and reproduction characters of Morada Nova sheep in Northeastern Brazil  

E-print Network

GENETIC AND ENVIRONMENTAL FACTORS AFFECTING GROWTH AND REPRODUCTION CHARACTERS OF MORADA NOVA SHEEP IN NORTHEASTERN BRAZIL A Thesis by ANTONIO AMAURV ORIA FERNANDES Submitted to the Graduate College of Texas A&M University in partial... fulfillment of the requirements for the degree of MASTER OF SCIENCE May 1985 Major Subject: Animal Breeding GENETIC AND ENVIRONMENTAL FACTORS AFFECTING GROWTH AND REPRODUCTION CHARACTERS OF MORADA NOVA SHEEP IN NORTHEASTERN BRAZIL A Thesis by ANTONIO...

Fernandes, Antonio Amaury Oria

2012-06-07

414

Factors Affecting Texas Farm Commodity Prices and Index Computation Methods, 1910-58.  

E-print Network

Factors Affecting Texas Farm Commodity Prices and Index Computation Methods, 1910-58 I. A. Kincannon and G. B. strong* RICE RELATIONSHIPS GREATLY CONCERN THE shown graphically. Figures 1 through 3 illustrate P farmer. Each farmer produces a product... Factors Affecting Texas Farm Commodity Prices and Index Computation Methods, 1910-58 I. A. Kincannon and G. B. strong* RICE RELATIONSHIPS GREATLY CONCERN THE shown graphically. Figures 1 through 3 illustrate P farmer. Each farmer produces a product...

Strong, G. B.; Kincannon, J. A.

1959-01-01

415

Factors affecting birth weight, gestation length and dystocia in Charolais cattle  

E-print Network

FACTORS AFFECTING BIRTH WEIGHT, GESTATION LENGTH AND DYSTOCIA IN CHAROLAIS CATTLE A Thesis by CHARLES SCHROEDER Submitted to the Graduate College of Texas A!N University in partial fulfillment of the requirement of the degree of MASTER... OF SCIENCE May 1979 Major Subject: Animal Science FACTORS AFFECTING BIRTH 4IFIGHT, GESTATION LENGTH Al'JD OYSTOCIA IN CHAPOLAIS CATTLE A Thesis by CHARLES SCHROEDER Approved as to style and content by: ( ( (Chairman of Committe (Head of Departm t...

Schroeder, Charles

2012-06-07

416

Factors affecting the coagulation properties of skimmilk and characteristics of cultured buttermilk  

E-print Network

ACKNOWLEDGMENTS. LIST OF TABLES LIST OF FIGURES. INTRODUCTION REVIEW OF LITERATURE Effect of Mastitis on Milk. Composition. Properties . Dairy products Factors Affecting Milk Coagulation. Heat treatment . Homogenization Starter culture. Added solids...-not-fat Protein. Calcium chloride Mastitis Minerals I'age V V111 2 2 3 3 4 5 6 6 7 8 9 Factors Affecting Properties of Cultured Pasteurization . Milk solids. Homogenization Starter culture. Ripening temperature . Aci di ty. Treatment...

Bollinger, Dean Herman

2012-06-07

417

Factors affecting calf and dam weights and their effects on breeding programs  

E-print Network

FACTORS AFFECTING CALF AND DAM WEIGHTS AND THEIR EFFECTS ON BREEDING PROGRAMS A Thesis By LAMRENCE ALLEN MADDOX, JR. Submitted to the Graduate College of the Texas A&M University in partial fulf illment of the requirements for the degree... of MASTER OF SCIENCE May, 1964 Major Subject: Animal Breeding FACTORS AFFECTING CALF AND DAM WEIGHTS AND THEIR EFFECTS ON BREEDING PROGRAMS A Thesis By IAWRENCE ALLEN MADDOX, JR Approved as to style and content by: (Chairman of Commit ee) (Head...

Maddox, Lawrence Allen

2012-06-07

418

Pearl millet: parboiling methods and factors affecting the process and cooked product  

E-print Network

PEARL MILLET: PARBOILING METHODS AND FACTORS AFFECTING THE PROCESS AND COOKED PRODUCT A Thesis by CHALLY JOEL CLEGG Submitted to the Office of Graduate Studies Texas A8 M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE August 1991 Major Subject: Food Science and Technology PEARL MILLET: PARBOILING METHODS AND FACTORS AFFECTING THE PROCESS AND COOKED PRODUCT A Thesis by CHALLY JOEL CLEGG Approved as to style and content by: LI d W. Roon...

Clegg, Chally Joel

2012-06-07

419

Factors affecting persistent pinkness and premature browning of ground beef patties  

E-print Network

FACTORS AFFECTING PERSISTENT PINKNESS AND PREMATURE BROWNING OF GROUND BEEF PATTIES A Thesis by ERIN ANN CUREINGTON Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE May 2000 Major Subject: Animal Science FACTORS AFFECTING PERSISTENT PINKNESS AND PREMATURE BROWNING OF GROUND BEEF PATTIES A Thesis by ERIN ANN CUREINGTON Submitted to Texas A&M University in partial fulfillment...

Cureington, Erin Ann

2012-06-07

420

Factors affecting the within-river spawning migration of Atlantic salmon, with emphasis on human impacts  

Microsoft Academic Search

We review factors affecting the within-river spawning migration of Atlantic salmon. With populations declining across the\\u000a entire distribution range, it is important that spawners survive in the last phase of the spawning migration. Knowledge on\\u000a the factors affecting migration is essential for the protection of populations, and to increase the success of reintroduction\\u000a programmes. A number of studies have documented

Eva B. Thorstad; Finn Økland; Kim Aarestrup; Tor G. Heggberget

2008-01-01

421

Factors affecting the cooking and extrusion properties of sorghum for noodle production  

E-print Network

FACTORS AFFECTING THE COOKING AND EXTRUSION PROPERTIES OF SORGHUM FOR NOODLE PRODUCTION A Thesis by ROSEMARY IKALAFENG LEKALAKE Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE August 1993 Major Subject: Food Science and Technology FACTORS AFFECTING THE COOKING AND EXTRUSION PROPERTIES OF SORGHUM FOR NOODLE PRODUCTION A Thesis by ROSEMARy IKALAFENG LEKALAKE Approved as to style and content by...

Lekalake, Rosemary Ikalafeng

2012-06-07

422

FACTORS AFFECTING BUSINESS SUCCESS AMONG SMES: EMPIRICAL EVIDENCES FROM INDONESIA1  

Microsoft Academic Search

Abstract InIndonesia, despite the fact that some SMEs have been declining or stagnant, some others have been successful and growing. What factors affect business success among SMEs? The recent study aims toanswer this main question. Based onsurvey to 100 SMEs, the study discloses that marketing, technology and capital access affect the business success in a positive way significantly, while legality

Nurul Indarti; Marja Langenberg

423

Factors That Differentiate Underachieving Gifted Students From High-Achieving Gifted Students  

Microsoft Academic Search

The purpose of this study was to examine whether gifted achievers and gifted underachievers differ in their general academic self-perceptions, attitudes toward school, attitudes toward teachers, motivation and self-regulation, and goal valuation. The sample consisted of 56 gifted underachievers and 122 gifted achievers from 28 high schools nationwide. Gifted achievers and gifted underachievers differed in their attitudes toward school, attitudes

D. Betsy McCoach; Del Siegle

2003-01-01

424

Factors affecting the production of nanostructure lipid carriers of valproic acid.  

PubMed

The objective of this study was to optimize a nano-lipid carrier (NLCs) of valproic acid for nasal delivery using statistical methods. NLCs were prepared by solvent diffusion method followed by ultrasonication. After a preliminary screening study using Taguchi design, the Box-Behnken statistical model using desirability function was applied to evaluate variables affecting key specifications (minimum particle size, maximum drug loading and optimum release) of nano-lipid carriers of valproic acid. Each variable was assessed at three levels of surfactant concentration, acetone/ethanol volume ratio and organic/aqueous phase volume ratio. The best predicted model for particle size and drug release was quadratic model, while for drug loading, 2 factor interaction model fitted better. The measured results for the optimized formulation were a mean size of 154 nm, 47% payload and 75% of drug content released within 21 days. The optimum formulation was obtained using 1% of Poloxamer-188 as surfactant, organic/aqueous phase volume ratio of 1/5 and acetone/ethanol volume ratio of 3/1. Overall, the results show that entrapment of valproic acid in nano-lipid carriers was achieved. Such carriers might be a promising delivery system in the treatment of seizures via the nasal route of administration. PMID:23627046

Varshosaz, Jaleh; Eskandari, Sharareh; Kennedy, Ross; Tabbakhian, Majid; Minaiyan, Mohsen

2013-02-01

425

Perceptions of intragroup rejection and coping strategies: malleable factors affecting Hispanic adolescents’ emotional and academic outcomes.  

PubMed

Understanding psychosocial factors that affect the academic achievement of Hispanic adolescents remains a nationwide priority in the United States. Extending previous studies of the stressful effects of perceived discrimination, this year-long longitudinal study examined the correlates of perceived ethnic in-group rejection, coping strategies and fatalistic beliefs, on depressive symptoms, grades, and college aspirations of 2,214 Hispanic adolescents (54% female) in Southern California. Based on the transactional model of stress and coping and on self-perception theory, structural equation models revealed that high perceived intragroup rejection (10th grade) and low levels of active coping (11th grade) were associated with depressive symptoms in 11th grade. Also, depressive symptoms partially mediated the link between intragroup rejection and both academic outcomes. Avoidant coping strategies (e.g., watching TV) also predicted depressive symptoms and were positively related to fatalism. In addition, fatalism was negatively related to grades and aspiration to attend college. The findings suggest the need to help adolescents find adequate outlets for communication and to create awareness about the potential effects of intragroup rejection. PMID:24234042

Basáñez, Tatiana; Warren, Michael T; Crano, William D; Unger, Jennifer B

2014-08-01

426

Engendered Analysis of the Socioeconomic Factors Affecting Smallholder Dairy Productivity: Experience from Kenya  

Microsoft Academic Search

The existing gap between potential and actual milk yield in Kenyan dairy farming and the need to bridge it led to the formulation of this study. The objective was to determine the socioeconomic factors including the gender variable affecting smallholder dairy productivity. The aim of incorporating gender was to capture in detail the factors peculiar to male and female smallholder

J. M. Chengole; L. N. Kimenye; S. G. Mbogoh

2003-01-01

427

Factors Affecting the Vocational Choice of Women of Different Ages Selecting Clerical and Secretarial Occupations.  

ERIC Educational Resources Information Center

An attempt was made to examine the factors affecting women of different ages in their selection of clerical and secretarial occupations. The factors considered were: health, intelligence, interests, previous work experience, stated reasons for present occupational choice, knowledge of employment opportunities and job requirements, influence of…

Willmarth, John Gary

428

Factors affecting postharvest preservation of safou (Dacryodes edulis (G. Don) H.J. Lam) fruits  

Microsoft Academic Search

The effect of five factors including fruit size, ripeness stage, picking mode, packaging mode, and storage temperature on safou softening was investigated. Temperature, packaging mode, and fruit size were the only factors that significantly affected safou softening during storage. Low temperature (18 °C) associated with storage without packaging or with perforated packaging improved safou postharvest shelf life. Under these conditions,

Bayi Reine Dossou; Crépin Ella Missang; Alain Baron; Catherine M. G. C. Renard; Thomas Silou

2012-01-01

429

Factors Affecting the Full Use of Library and Information Management Systems by Library Personnel  

ERIC Educational Resources Information Center

Purpose: To provide a general list of factors that affects and determines the full use of library information management systems (LIMS) by library staff. Design/methodology/approach: The factors, which were identified mainly during participation in the implementation of automation projects in Greece, are listed and briefly analysed in categories…

Skretas, Georgios

2005-01-01

430

Factors affecting pouring ready mix concrete production rate using tower cranes in Egypt  

Microsoft Academic Search

Poor productivity of construction industry is one of the causes of cost and time overruns in construction projects. The first stage to control this problem is to identify factors affecting productivity and analyse them in order to control their effect in productivity. In Egypt, construction productivity is influenced by several factors that vary from project to project as well as

Emad El-Maghraby; Jan Frick; Christopher Irgens

2011-01-01

431

The study of influenced factors affecting to quality of cylindrical grinding harden AISI 4140 steel  

Microsoft Academic Search

The objective of this research was to study factors, which were affected on surface roughness and roundness in cylindrical grinding of harden AISI 4140 steel. Specimen used in the experiment was AISI 4140 steel that hardening at 51±3 HRC. Studied factors were consisted of revolution speed of workpiece, feed rate, and depth of cut. Full factorial experimental design was conducted

Komson Jirapatarasilp; Sittichai Kaewkuekool; P. Klahan

2010-01-01

432

Environmental and genetic factors affecting udder characters and milk production in Chios sheep  

E-print Network

Environmental and genetic factors affecting udder characters and milk production in Chios sheep A environmental and genetic factors influencing udder characteristics and milk production in Chios sheep. All. Seasonal effects were significant for udder circumference, test-day milk and total milk production

Paris-Sud XI, Université de

433

A Review of Foreign Researches on Influential Factors Affecting Students' Engagement in English Classroom  

ERIC Educational Resources Information Center

Students' active engagement constitutes the core of the process of learning and teaching in the student-oriented classroom. The paper centers on a review of foreign researches on influential factors affecting students' engagement in English classroom. It is expected to figure out the relevant factors in order to promote students' active engagement.

Zhou, Chun-hong

2010-01-01

434

Bacillus cereus Spores in Raw Milk: Factors Affecting the Contamination of Milk During the Grazing Period  

Microsoft Academic Search

Psychrotrophic Bacillus cereus is a limiting factor for the shelf-life of pasteurized milk, particularly dur- ing the grazing season. Potential sources of contami- nation and factors that might affect the spore content of milk were studied in detail for a group of eight cows during three 2-wk study periods from June to September over 2 yr. The spore content of

A. Christiansson; J. Bertilsson; B. Svensson

1999-01-01

435

Factors that Affect Synergies in Mergers, at Banking Sector: Simulation with a Dynamic Model  

NASA Astrophysics Data System (ADS)

This article examines the factors that affect the intended synergy following an M&A, as they have emerged from the study of the M&A's that have taken place as yet in the Bank Sector of an EU country. On the basis of quality research, dynamic simulation models have been created for two out of the five factors.

Yiannis, Triantafyllopoulos; Sakas, Damianos P.; Konstantopoulos, Nikolaos

2007-12-01

436

Risk factors affecting metaphyseal irregularities in the radius and ulna of growing Newfoundland dogs 1  

Microsoft Academic Search

The main objective of this study was to study risk factors affecting metaphyseal irregularities (MI) in the distal radius and ulna of growing Newfound- land dogs. Risk factors studied included the genetic effects, effects of litters, BW, circumferences of the dis- tal radius and ulna (CDRU), and total serum alkaline phosphatase (ALP) concentrations. The study included 118 Newfoundland dogs (60

C. Trangerud; T. Meuwissen; E. Ropstad; A. Indrebø; J. Grøndalen; L. Moe

2010-01-01

437

Factors Affecting Change in the Clothing Patterns of the Adolescent Girls  

Microsoft Academic Search

It is always imperative to determine and explain the factors responsible for the change in clothing patterns of the adolescent girls, that are yet not clearly defined but are unignorable. In order to find out the affect of various factors like social status, education, mass media and peer pressure on the clothing patterns of young girls, a survey was conducted

ASMA KIRAN; AYESHA RIAZ; NIAZ HUSSAIN MALIK

438

Factors Affecting the Supply of Recent College Graduates in New England. Policy Brief 09-1  

ERIC Educational Resources Information Center

This policy brief investigates factors affecting New England's supply of recent college graduates and how those factors have changed over time, and suggests steps that states might take to expand this source of skilled labor. (Contains 3 figures.) [This brief summarizes analysis in NEPPC research report 08-1: "The Future of the Skilled Labor Force…

Sasser, Alicia

2009-01-01

439

FACTORS AFFECTING PERFORMANCE OF ADULTS IN ADULT AND CONTINUING EDUCATION IN NKULUMANE-EMGANWINI AREA  

Microsoft Academic Search

The purpose of this study was to determine the correlation of the factors affecting academic performance with the performance levels of adults in adult and continuing education in Nkulumane-Emganwini area. These factors were arbitrarily selected from the literature review. The research design selected was the empirical approach .A sample of 40 students was randomly selected from a population of 420

Precious Ndlovu; Wisdom Moyo

2013-01-01

440

Factors affecting criticality for spent fuel materials in a geologic setting  

SciTech Connect

Following closure of a geologic repository for spent fuel, geologic process may change geometries and spacings, and water may enter the repository. In this study the conditions required for the criticality of spent fuel constituents are determined. Many factors affect criticality, and the effects of various possible post-closure changes are investigated. Factors having the greatest effect on criticality are identified to provide guidance for research programs and for design and evaluation studies. Section II describes the calculational methods and computer codes used to determine critical conditions. Section III of this document addresses effects of the fissile content of spent fuel on criticality. Calculations have been performed to determine the minimum critical mass of spent fuel actinides as a function of the duration of in-reactor fuel exposure for a variety of possible conditions. Section IV addresses the conditions required for criticality under a scenario believed to be highly unlikely but having a unique possibility. Pu quantities and concentrations required for criticality without water were determined for various conditions of Pu separation, rock moderation and reflection, rock impurities and isotopic content of the Pu. Section V addresses the possibility of geochemical processes separating Pu from other spent fuel constituents. Solubilities of U and Pu are calculated for groundwaters characteristic of basalt, tuff, granite, bedded and dome salt. Maximum concentrations which could be adsorbed on geologic media in contact with these groundwaters are then calculated. Comparison of these maximum adsorbed concentrations with the results presented in Section IV yields the conclusion that criticality cannot occur in sorbed deposits of Pu in geologic media due to the low Pu concentrations achievable. The possibility of selective Pu precipitation, however, is not ruled out by these arguments.

Gore, B.F.; Jenquin, U.P.; Serne, R.J.

1981-04-01

441

Hydrologic, diel and lunar factors affecting fishes on artificial reefs off Panama City, Florida  

E-print Network

noon (ATFN) and moon phase were tested. via multiple regression to determine which factor(s) affected fish community abundance and abundance of common taxa. In addition, seasonal trends of fishes present on these reefs were reported. Water.... Seasonal trends reinforced regres- sion findings, as most common taxa's abundance declined during winter-spring. lnN and abundance of several common taxa increased with increasing visibility. Moon phase was an important factor in community index...

Sanders, Richard Morgan

2012-06-07

442

76 FR 30195 - Brazil: Competitive Factors in Brazil Affecting U.S. and Brazilian Agricultural Sales in Selected...  

Federal Register 2010, 2011, 2012, 2013

...TRADE COMMISSION [Investigation No. 332-524] Brazil: Competitive Factors in Brazil Affecting U.S. and Brazilian Agricultural Sales...Commission) instituted investigation No. 332-524, Brazil: Competitive Factors in Brazil Affecting...

2011-05-24

443

77 FR 18862 - Brazil: Competitive Factors Affecting U.S. and Brazilian Agricultural Sales in Selected Third...  

Federal Register 2010, 2011, 2012, 2013

...TRADE COMMISSION [Investigation No. 332-524] Brazil: Competitive Factors Affecting U.S. and Brazilian...the Committee in investigation No. 332-524, Brazil: Competitive Factors In Brazil Affecting U.S. and Brazilian Agricultural...

2012-03-28

444

A Multiple Regression Analysis of Factors Concerning Superintendent Longevity and Continuity Relative to Student Achievement  

ERIC Educational Resources Information Center

The purpose of this quantitative study was to examine the relationship between the length of superintendent tenure, longevity, and continuity relative to student achievement as evidenced by the 2008-2009 3rd Grade New Jersey Assessment of Skills and Knowledge (NJASK) in language arts. Achievement in the study was defined as those students who…

Plotts, Timothy

2011-01-01

445

Gender Differences in Cognitive and Noncognitive Factors Related to Achievement in Organic Chemistry.  

ERIC Educational Resources Information Center

Examines the relationships between organic chemistry achievement and a number of cognitive and noncognitive variables, and explores whether gender differences existed for any of these relationships. Concludes that general chemistry grade, ACT-math score, and motivation are significant predictors of organic chemistry achievement. Indicates gender…

Turner, Ronna C.; Lindsay, Harriet A.

2003-01-01

446

Factors Related to Third Grade Achievement: Self-Perception, Classroom Composition, Sex and Race.  

ERIC Educational Resources Information Center

Race, sex, IQ, self-perception, and student's perceptions of their teacher's perceptions were examined as sources of variance in academic achievement. Self-perceptions account for more variance in academic achievement for students who are of the same sex and race as the teacher than for those who are not. (Author/RD)

Abbott, Ann A.

1981-01-01

447

Perceived Structure and Achievement Goals as Predictors of Students' Self-Regulated Learning and Affect and the Mediating Role of Competence Need Satisfaction  

ERIC Educational Resources Information Center

We investigated the extent to which perceived structure and personal achievement goals could explain students' effective learning strategies and affect-related experiences in a sample of Greek adolescent students (N = 606; 45.4% males; mean age: M = 15.05, SD = 1.43). Having controlled for students' social desirability responses, we used…

Mouratidis, Athanasios; Vansteenkiste, Maarten; Michou, Aikaterini; Lens, Willy

2013-01-01

448

How Goal Orientations, Perceived Competence, and Strategy Training Affect College Students' Use of Self-Regulated Learning Strategies and Achievement in Learning Foreign Languages  

Microsoft Academic Search

The purpose of this study was to examine how goal orientations, perceived competence, and strategy training affect college students’ use of self-regulated learning strategies and achievement in learning foreign languages. One hundred seventeen undergraduates participated in the study. The students came from 8 introductory Arabic, Chinese, German, and Japanese classes, with 2 classes from each language. Students were categorized as

Ling Xiao

2005-01-01

449

Nurses' Experiences of Nonpatient Factors That Affect Nursing Workload: A Study of the PAONCIL Instrument's Nonpatient Factors.  

PubMed

In the RAFAELA patient classification system, the professional assessment of optimal nursing care intensity level (PAONCIL) instrument is used to assess the optimal nursing intensity level per unit. The PAONCIL instrument contains an overall assessment of the actual nursing intensity level and an additional list of central nonpatient factors that may increase or decrease the total nursing workload (NWL). The aim of this cross-sectional study was to assess and determine which nonpatient factors affect nurses' experiences of their total NWL in both outpatient settings and hospitals, as captured through the PAONCIL instrument. The data material consisted of PAONCIL questionnaires from 38 units and 37 outpatient clinics at 11 strategically selected hospitals in Finland, and included nurses' answers (n = 1307) to the question of which factors, other than nursing intensity, affect total NWL. The methods for data analyses were qualitative content analyses. The nonpatient factors that affected nurses' experiences of total NWL are "organization of work," "working conditions," "self-control," and "cooperation." The actual list of nonpatient factors in the PAONCIL instrument is to a reasonable extent relevant, but the list should be improved to include nurses' actual working conditions and self-control. PMID:25050179

Fagerström, Lisbeth; Vainikainen, Paula

2014-01-01

450

Girls' and Boys' Mathematics Achievement, Affect, and Experiences: Findings from ECLS-K  

ERIC Educational Resources Information Center

Amid debates about the continued salience of gender in mathematics, this report summarizes an IES-funded investigation of gender-related patterns in the Early Childhood Longitudinal Study-Kindergarten Class of 1998-99 (ECLS-K). Girls' and boys' mathematics achievement, confidence, and interest were examined, along with experiences at…

Lubienski, Sarah T.; Robinson, Joseph P.; Crane, Corinna C.; Ganley, Colleen M.

2013-01-01

451

When Parents' Affection Depends on Child's Achievement: Parental Conditional Positive Regard, Self-Aggrandizement, Shame and Coping in Adolescents  

ERIC Educational Resources Information Center

We examined the idea that adolescents' perceptions of their mothers as using parental conditional positive regard (PCPR) to promote academic achievement are associated with maladaptive self feelings and coping. A study of 153 adolescents supported the hypothesis that PCPR predicts self-aggrandizement following success and self devaluation and…

Assor, Avi; Tal, Karen

2012-01-01

452

International Journal of Artificial Intelligence in Education (1999), 10, 278-291 Achieving Affective Impact: Visual Emotive Communication  

E-print Network

International Journal of Artificial Intelligence in Education (1999), 10, 278-291 278 Achieving,version1-14Dec2007 Author manuscript, published in "International Journal of Artificial Intelligence-solving activities. INTRODUCTION Recent years have witnessed significant advances in intelligent multimedia

Paris-Sud XI, Université de

453

Factors affecting users' choice of words in speech-based interaction with public technology  

Microsoft Academic Search

This paper contains three studies of factors which affect the choice of words in simple speech-based interactions. It is shown\\u000a that choice of words is affected by the level of constraint imposed on users, such that variability is much higher when no\\u000a constraint is applied than when some form of constraint is used and that variability can be reduced by

C. Baber; G. I. Johnson; D. Cleaver

1997-01-01

454

[Research progress in seegrass seed dormancy, germination, and seedling growth and related affecting factors].  

PubMed

Seagrass bed is the main primary producer in coastal areas, having highly ecological and economical values, and being one of the most important shallow-marine ecosystems. This paper reviewed the research progress in the seed dormancy, germination, and seedling growth of seagrass and related affecting factors, summarized the seed dormancy modes and durations and their affecting factors, and discussed the effects of water salinity, temperature, transparency, hormone, dissolved oxygen, and population structure on the seed germination and the seedling survival and growth. Some issues in related researches and several research directions in the future were prospected. PMID:22303688

Zhang, Pei-Dong; Sun, Yan; Niu, Shu-Na; Zhang, Xiu-Mei

2011-11-01

455

Human factors with nonhumans - Factors that affect computer-task performance  

NASA Technical Reports Server (NTRS)

There are two general strategies that may be employed for 'doing human factors research with nonhuman animals'. First, one may use the methods of traditional human factors investigations to examine the nonhuman animal-to-machine interface. Alternatively, one might use performance by nonhuman animals as a surrogate for or model of performance by a human operator. Each of these approaches is illustrated with data in the present review. Chronic ambient noise was found to have a significant but inconsequential effect on computer-task performance by rhesus monkeys (Macaca mulatta). Additional data supported the generality of findings such as these to humans, showing that rhesus monkeys are appropriate models of human psychomotor performance. It is argued that ultimately the interface between comparative psychology and technology will depend on the coordinated use of both strategies of investigation.

Washburn, David A.

1992-01-01

456

Factors that affect reliability of nondestructive detection of flaws in structural ceramics  

SciTech Connect

The factors that affect reliability of nondestructive detection of flaws in structural ceramics by microfocus radiography and scanning laser acoustic microscopy (SLAM) were investigated. Reliability of void detection in silicon nitride and silicon carbide by microfocus X-rays was affected by photon energy level, material chemistry in the immediate vicinity of the void, and the presence of loose powder aggregates inside the void cavity. The sensitivity of SLAM to voids was affected by material microstructure, the level of porosity, and the condition of the specimen surfaces. Statistical results are presented in the form of probability of detection as a function of void diameter for green compacts and sintered materials.

Klima, S.J.; Baaklini, G.Y.; Roth, D.J.

1986-01-01

457

Teacher Discourse and Sixth Graders' Reported Affect and Achievement Behaviors in Two High-Mastery/High-Performance Mathematics Classrooms.  

ERIC Educational Resources Information Center

Examined the relation between the nature of teacher discourse and sixth-grade students' reports of affect and behavior in mathematics classrooms students perceived as emphasizing both mastery and performance goals. Found that students in the classroom in which there was constant and explicit support for autonomy and intrinsic motivation, positive…

Turner, Julianne C.; Meyer, Debra K.; Midgley, Carol; Patrick, Helen

2003-01-01

458

SYSTEMIC ASSESSMENT AND ANALYSIS OF FACTORS AFFECT THE RELIABILITY OF A WIND TURBINE  

Microsoft Academic Search

Nowadays, the availability of wind turbines usually approaches the 98%. The objective is to increase the turbines availability, by improving the wind turbine reliability especially for offshore plants. The wind turbines reliability is a pivotal factor in the successfully function of a wind power plant. High reliability can be achieved by understanding and minimizing the failures of the system. Maintenance

Pantelis N. Botsaris; D. Pitsa

2012-01-01

459

When parents' affection depends on child's achievement: parental conditional positive regard, self-aggrandizement, shame and coping in adolescents.  

PubMed

We examined the idea that adolescents' perceptions of their mothers as using parental conditional positive regard (PCPR) to promote academic achievement are associated with maladaptive self feelings and coping. A study of 153 adolescents supported the hypothesis that PCPR predicts self-aggrandizement following success and self devaluation and shame following failure, which then predict compulsive over-investment. PCPR functioned as a unique predictor of maladaptive self feelings and coping also when the effects of perceived parental conditional negative regard or psychological control were controlled for. The findings suggest that the experience of one's mother as using conditional positive regard to promote achievement leads to a non-optimal self-esteem dynamics, in which people vacillate between feelings of grandiosity following success and self-derogation and shame following failure, which in turn promote a rigid and stressful mode of coping. Thus, the practice of PCPR, although seemingly benign, appears to carry significant emotional and coping costs for adolescents. PMID:22078668

Assor, Avi; Tal, Karen

2012-04-01

460

Characterization and evaluation of the factors affecting the geochemistry of groundwater in Neyveli, Tamil Nadu, India  

NASA Astrophysics Data System (ADS)

In order to achieve a better understanding of the nature of the factors influencing ground water composition as well as to specify them quantitatively, multivariate statistical analysis (factor analysis) were performed on the hydrochemical data of this area. R-mode factor analysis was carried out on the geochemical results of the 79-groundwater samples and the factor scores were transferred to areal maps. Fundamental chemical parameters of the groundwater have been compounded together for characterizing and interpreting a few empirical hydrogeochemical factors controlling the chemical nature of water. R-mode factor analysis reveals that the groundwater chemistry of the study area reflects the influence of anthropogenic activities, silicate weathering reactions, precipitation, dissolution and subsequent percolation into the groundwater. The data have been put into few major factors and the seasonal variation in the chemistry of water has been clearly brought out by these factors. Factor scores were transferred to contour diagrams and the factor score analysis has been used successfully to delineate the stations under study with various factors and the seasonal effect on the sample stations.

Jayaprakash, M.; Giridharan, L.; Venugopal, T.; Krishna Kumar, S. P.; Periakali, P.

2008-04-01

461

Risk factors affecting metaphyseal irregularities in the radius and ulna of  

Microsoft Academic Search

ABSTRACT: The main,objective of this study was to study,risk factors affecting metaphyseal,irregularities (MI) in the distal radius and ulna of growing,Newfound- land,dogs. Risk factors studied,included,the genetic effects, effects of litters, BW, circumferences of the dis- tal radius and ulna (CDRU), and total serum alkaline phosphatase,(ALP) concentrations.,The study included 118 Newfoundland dogs (60 females, 58 males), derived from 32 litters. Body

C. Trangerud; T. Meuwissen; E. Ropstad; A. Indrebø; J. Grøndalen; L. Moe

2009-01-01

462

Factors affecting the progression of renal disease in autosomal-dominant polycystic kidney disease  

Microsoft Academic Search

Factors affecting the progression of renal disease in autosomal-dominant polycystic kidney disease. Autosomal-dominant polycystic kidney disease results in renal failure at a varying age from childhood to old age. We postulated that factors other than the culprit gene alone contribute to the course of progression of the renal failure. We studied 580 subjects with autosomal-dominant polycystic kidney disease and 194

Patricia A Gabow; Ann M Johnson; William D Kaehny; William J Kimberling; Dennis C Lezotte; Irene T Duley; Richard H Jones

1992-01-01

463

Factors related to achievement in sophomore organic chemistry at the University of Arkansas  

NASA Astrophysics Data System (ADS)

The purpose of this study was to identify the significant cognitive and non-cognitive variables that related to achievement in the first semester of organic chemistry at the University of Arkansas. Cognitive variables included second semester general chemistry grade, ACT composite score, ACT English, mathematics, reading, and science reasoning subscores, and spatial ability. Non-cognitive variables included anxiety, confidence, effectance motivation, and usefulness. Using a correlation research design, the individual relationships between organic chemistry achievement and each of the cognitive variables and non-cognitive variables were assessed. In addition, the relationships between organic chemistry achievement and combinations of these independent variables were explored. Finally, gender- and instructor-related differences in the relationships between organic chemistry achievement and the independent variables were investigated. The samples consisted of volunteers from the Fall 1999 and Fall 2000 sections of Organic Chemistry I at the University of Arkansas. All students in each section were asked to participate. Data for spatial ability and non-cognitive independent variables were collected using the Purdue Visualization of Rotations test and the modified Fennema-Sherman Attitude Scales. Data for other independent variables, including ACT scores and second semester general chemistry grades, were obtained from the Office of Institutional Research. The dependent variable, organic chemistry achievement, was measured by each student's accumulated points in the course and consisted of scores on quizzes and exams in the lecture section only. These totals were obtained from the lecture instructor at the end of each semester. Pearson correlation and stepwise multiple regression analyses were used to measure the relationships between organic chemistry achievement and the independent variables. Prior performance in chemistry as measured by second semester general chemistry grade was the best indicator of performance in organic chemistry. The importance of other independent variables in explaining organic chemistry achievement varied between instructors. In addition, gender differences were found in the explanations of organic chemistry achievement variance provided by this study. In general, males exhibited stronger correlations between independent variables and organic chemistry achievement than females. The report contains 19 tables detailing the statistical analyses. Suggestions for improved practice and further research are also included

Lindsay, Harriet Arlene

464

Assessment of economic factors affecting the satellite power system. Volume 1: System cost factors  

NASA Technical Reports Server (NTRS)

The factors relevant to SPS costing and selection of preferred SPS satellite configurations were studied. The issues discussed are: (1) consideration of economic factors in the SPS system that relate to selection of SPS satellite configuration; (2) analysis of the proper rate of interest for use in SPS system definition studies; and (3) the impacts of differential inflation on SPS system definition costing procedures. A cost-risk comparison of the SPS satellite configurations showed a significant difference in the levelized cost of power from them. It is concluded, that this difference is the result more of differences in the procedures for assessing costs rather than in the satellite technologies required or of any advantages of one satellite configuration over the other. Analysis of the proper rate of interest for use in SPS system is 4 percent. The major item of differential inflation to be expected over this period of time is the real cost of labor. This cost is likely to double between today and the period of SPS construction.

Hazelrigg, G. A., Jr.

1978-01-01

465

Some Factors that Affect the Deposition Rates of Sulfur Dioxide and Similar Gases on Vegetation  

Microsoft Academic Search

The deposition of sulfur dioxide on growing vegetation is affected by diverse environmental factors, many of which undergo large diurnal and spatial variations. The aerodynamic resistance to vertical transfer in the surface boundary layer can be formulated in terms of the friction velocity, height of observation, vertical heat flux, and surface roughness. Also important are the resistance in the air

M. L. Wesely; B. B. Hicks

1977-01-01

466

Factors Affecting the Job Satisfaction and Retention of Nurses in Community/Migrant Health Centers.  

National Technical Information Service (NTIS)

The report describes the factors affecting the job satisfaction and retention of nurses at community and migrant health centers (C/MHCs), in light of the nursing shortage that existed at the time of the study. Literature reviews, the use of a questionnair...

D. C. Jones, N. P. Rizzo, C. Mullinix

1991-01-01

467

Grandchild, Grandparent, and Parent Coresidence from 1970 to 1990: Structural Factors Affecting State Patterns  

ERIC Educational Resources Information Center

This study analyzes structural forces affecting state patterns of parental presence within grandparent-grandchild coresidence by testing demographic, social change, policy environment, and social problems models. The project combines published state-level data with the 1970, 1980, and 1990 Census Public Use Microdata Samples. While factors

Hill, Twyla J.

2006-01-01

468

Critical Success Factors Affecting Knowledge Management Adoption: A Review of the Literature  

Microsoft Academic Search

Knowledge management and CSFs are important issues in today's organisational world. Knowledge is understood as one of the crucial driving forces for business success and competitiveness. This study points out a number of success factors that were determined to be critical and affect knowledge management in all organisations. This paper is particularly helpful for further research on knowledge management-related issues,

Khalid Al-Mabrouk

2006-01-01

469

FACTORS AFFECTING THE FORMATION OF ORGANIC BY-PRODUCTS DURING WATER CHLORINATION  

E-print Network

FACTORS AFFECTING THE FORMATION OF ORGANIC BY-PRODUCTS DURING WATER CHLORINATION: A BENCH conditions in water treatment plants is a critical issue that should take into account the influence, 2001; Christman et al., 1983; Water, Air, and Soil Pollution 159: 357­371, 2004. C 2004 Kluwer Academic

Arhonditsis, George B.

470

Identifying the key factors affecting warning message dissemination in VANET real urban scenarios.  

PubMed

In recent years, new architectures and technologies have been proposed for Vehicular Ad Hoc networks (VANETs). Due to the cost and complexity of deploying such networks, most of these proposals rely on simulation. However, we find that most of the experiments made to validate these proposals tend to overlook the most important and representative factors. Moreover, the scenarios simulated tend to be very simplistic (highways or Manhattan-based layouts), which could seriously affect the validity of the obtained results. In this paper, we present a statistical analysis based on the 2k factorial methodology to determine the most representative factors affecting traffic safety applications under real roadmaps. Our purpose is to determine which are the key factors affecting Warning Message Dissemination in order to concentrate research tests on such parameters, thus avoiding unnecessary simulations and reducing the amount of simulation time required. Simulation results show that the key factors affecting warning messages delivery are the density of vehicles and the roadmap used. Based on this statistical analysis, we consider that VANET researchers must evaluate the benefits of their proposals using different vehicle densities and city scenarios, to obtain a broad perspective on the effectiveness of their solution. Finally, since city maps can be quite heterogeneous, we propose a roadmap profile classification to further reduce the number of cities evaluated. PMID:23604026

Fogue, Manuel; Garrido, Piedad; Martinez, Francisco J; Cano, Juan-Carlos; Calafate, Carlos T; Manzoni, Pietro

2013-01-01

471

Affecting Factors and Outcome on Intermittent Internet Pulling Behavior in Taiwan's Undergraduate Students  

ERIC Educational Resources Information Center

Nowadays people's lives heavily rely on Internet facilities. Internet users generally have constant Internet connectivity and intermittently click on sites they want to access even amidst studying or working. In this study, we sought to examine the factors affecting intermittent Internet pulling behavior on undergraduate students. Furthermore, the…

Yang, Hui-Jen; Lay, Yun-Long

2011-01-01

472

Factors that Affect Treatment Expectations of Outpatients with Substance Use Problems  

ERIC Educational Resources Information Center

The study assessed treatment expectations (TE) of outpatients with substance use problems as well as factors that affect their TE. Participants were 200 outpatients presenting at three community based substance abuse treatment services. Results of general linear modelling analyses showed that outpatients with substance use problems have higher…

Raylu, Namrata; Kaur, Inderjit

2012-01-01

473

Factors Affecting the Identification of Hispanic English Language Learners in Special Education  

ERIC Educational Resources Information Center

This qualitative phenomenological study revealed factors affecting the overrepresentation of Hispanic English language learners (ELLs) in special education. An analysis of the lived experiences of school professionals indicate multiple causes that determine students to be disabled often in violation of state and federal guidelines. Child study…

Becker, Gail I.

2012-01-01

474

Factors Affecting Self-Referral to Counselling Services in the Workplace: A Qualitative Study  

ERIC Educational Resources Information Center

The benefits of psychological support in the workplace (also known as workplace counselling) are well documented. Most large organisations in the UK have staff counselling schemes. However, it is unclear what, if any, factors affect employee decisions to use such schemes. This study has used a qualitative methodology to explore the reasons that…

Athanasiades, Chrysostomos; Winthrop, Allan; Gough, Brendan

2008-01-01

475

UNCORRECTED 2 Large-scale stress factors affecting coral reefs: open ocean sea  

E-print Network

UNCORRECTED PROOF REPORT1 2 Large-scale stress factors affecting coral reefs: open ocean sea 3-Verlag 2011 8 Abstract One-third of the world's coral reefs have dis- 9 appeared over the last 30 years on coral reefs have been identified as changes 12 in sea surface temperature (SST) and changes in surface

Gupta, Alex Sen

476

FACTORS AFFECTING SUSCEPTIBILITY OF THE CORAL MONTASTRAEA FAVEOLATE TO BLACK-BAND DISEASE  

EPA Science Inventory

Black-band disease affects many species of tropical reef-building corals, but it is unclear what factors contribute to the disease-susceptibility of individual corals or how the disease is transmitted between colonies. Studies have suggested that the ability of black-band disease...

477

Who Should Mark What? A Study of Factors Affecting Marking Accuracy in a Biology Examination  

ERIC Educational Resources Information Center

Accurate marking is crucial to the reliability and validity of public examinations, in England and internationally. Factors contributing to accuracy have been conceptualised as affecting either marking task demands or markers' personal expertise. The aim of this empirical study was to develop this conceptualisation through investigating the…

Suto, Irenka; Nadas, Rita; Bell, John

2011-01-01

478

Factors that Affect Classification Performance in EEG based Brain-Computer Interfaces  

Microsoft Academic Search

In this paper, some of the factors that affect classification performance of EEG based Brain-Computer Interfaces (BCI) is studied. Study is specified on P300 speller system which is also an EEG based BCI system. P300 is a physiological signal that represents a response of brain to a given stimulus which occurs right 300 ms after the stimulus onset. When this

A. O. Argunsah; A. B. Curuklu; M. Cetin; A. Ercil

2007-01-01

479

FACTORS AFFECTING THE ACCEPTANCE OF FOREIGN DRONES INTO HONEY BEE (APIS MELLIFERA L.) COLONIES  

E-print Network

FACTORS AFFECTING THE ACCEPTANCE OF FOREIGN DRONES INTO HONEY BEE (APIS MELLIFERA L.) COLONIES R SUMMARY Studies on drone management could aid in honey bee breeding programs by improving the efficiency and quality of mating. In this study the effects of introducing foreign drones into honey bee colonies were

Boyer, Edmond

480

An Investigation of Factors Affecting Student Participation Level in an Online Discussion Forum  

ERIC Educational Resources Information Center

This study analyzed the factors that affect student participation in discussion forum under the two main purposes. The first purpose was to examine the relationship between the students' individual demographics and categories of students' participation level (inactive, moderate, and active) in discussion forum of an online course. The second…

Yukselturk, Erman

2010-01-01