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1

Efetividade no Ensino Superior Brasileiro: Aplicacao de Modelos Multin´õvel ` A Analise dos Resultados do Exame Nacional de Cursos  

Microsoft Academic Search

Este estudo tem por objetivo analisar o impacto de caracter´õsticas institucionais sobre o desempenho dos alunos no Exame Nacional de Cursos (Provao). Uma amostra de mais de 74.000 alunos dasareas de Administracao, Direito e Engenharia Civil que realizaram os exames no ano de 2000 foi analisada. Foram estimados modelos multin´õvel, pois estes dados apresentam uma n´õtida estrutura hierarquica. Relativamente aos

Maria Dolores Montoya Diaz

2007-01-01

2

Breast Exam  

MedlinePLUS

... self-exams Clinical breast exams by your doctor Mammography Used together, these screening methods can increase your ... breast cancer persists in the era of screening mammography. Journal of the American College of Surgeons. 2010; ...

3

Exam Professor  

NSDL National Science Digital Library

The average professor or lecturer in today's educational environment might be on the lookout for a helpful way to facilitate exams, and this application is just that type of application. With Exam Professor, users can create exams quickly, publish them online, and even mix up the questions. On their website, visitors can learn about all of the features of the program, and take a look at a demonstration exam. This version allows users to create one exam at no charge, and is compatible with computers running Windows 2000, XP and Mac OS X 10.4 and newer.

2006-01-01

4

Exam fairness  

Microsoft Academic Search

It is widely agreed that exams must be fair; yet what this exactly means is not made clear. One may mean fairness of treatment, but this merely propagates the fairness or unfairness of pre-existing rules. Fairness of opportunity on the other hand necessarily leads to identical grades for everyone, which clearly makes it inapplicable. Neither view is helpful to make

Mathieu Bouville

2008-01-01

5

NeuroExam  

NSDL National Science Digital Library

This website outlines the main components of a neurological exam performed by clinicians and the basics of neuroanatomy. The website provides short video clips demonstrating the various neurological exams that a doctor may perform with a patient.

2011-08-01

6

The Neurological Exam  

NSDL National Science Digital Library

This website features a complete neurological exam with the following elements: 1) cranial nerves, 2) motor exam, 3) sensory exam, 4) stance & gait. Video demonstrations are used for each part of the exam. Text describes the examination technique, expected normal findings and common abnormal findings. A helpful glossary of terms is available in a separate frame at the bottom of the page for reference. A high bandwidth is recommended and a QuickTime player is necessary.Annotated: false

Hohol, Marika

2010-06-28

7

Exams: The Secret Ingredients  

ERIC Educational Resources Information Center

This year, many high-school teachers in the district where the author teaches experienced exam anxiety because midterms--as they had come to know and love them--were no more. For a variety of reasons, the semester exam schedule looked very different. More to the point is the new philosophy about exam content and format that underpinned the…

DiJulio, Betsy

2012-01-01

8

Examining Exam Reviews: A Comparison of Exam Scores and Attitudes  

ERIC Educational Resources Information Center

|Instructors commonly use exam reviews to help students prepare for exams and to increase student success. The current study compared the effects of traditional, trivia, and practice test-based exam reviews on actual exam scores, as well as students' attitudes toward each review. Findings suggested that students' exam scores were significantly…

Hackathorn, Jana; Cornell, Kathryn; Garczynski, Amy M.; Solomon, Erin D.; Blankmeyer, Katheryn E.; Tennial, Rachel E.

2012-01-01

9

Quizzes, Tests, and Exams  

NSDL National Science Digital Library

This website features information on strategies for testing, including choosing appropriate testing methodologies and developing a test that assesses students as accurately and fairly as possible. Topics include different types of tests, construction of effective exams and alternative testing methods.

Davis, Barbara G.; Honolulu, University O.

10

AAPT Physics Bowl Exam Review  

NSDL National Science Digital Library

The AAPT Physics Bowl is an annual contest sponsored by the American Association of Physics Teachers to generate interest in physics and to recognize outstanding high school physics students and their teachers. The exam consists of multiple choice questions and has a time limit of forty-five minutes. Copies of the 1994-2000 Physics Bowl exams have been provided here by the AAPT in the form of Adobe Acrobat .PDF files. The answers are provided at the end of each exam. The current exam may no longer be given in the format of the exams listed below. The CD available from the AAPT Store has questions and answers from 2001 through 2006. 1994 AAPT/Metrologic Physics Bowl Exam 1995 AAPT/Metrologic Physics Bowl Exam 1996 AAPT/Metrologic Physics Bowl Exam 1997 AAPT/Metrologic Physics Bowl Exam 1998 AAPT/Metrologic Physics Bowl Exam 1999 AAPT/Metrologic Physics Bowl Exam 2000 AAPT/Metrologic Physics Bowl Exam

2003-10-16

11

The prostate exam  

Microsoft Academic Search

Objective: To help students, residents, and general practitioners to improve the technique, skills, and reproducibility of their prostate examination.Methods: We developed a comprehensive guideline outlining prostate anatomy, indications, patient preparation, positioning, technique, findings, and limitations of this ancient art of urological evaluation.Results: The prostate exam was the first diagnostic test used for prostate cancer screening and other urological conditions. Although

Frederico R Romero; Antonio W Romero; Thadeu Brenny Filho; David Kulysz; Fernando C Oliveira; Renato Tambara Filho

2012-01-01

12

Exam Question Exchange.  

ERIC Educational Resources Information Center

|Describes a take-home exam story problem based on stoichiometry. Requires the student to determine the percentage of phosphoric acid in a large container of nitric acid if a man fell into it. Provides assumptions, clues, and an acceptable solution. (MVL)|

Ramette, R. W.

1988-01-01

13

Exam Question Exchange.  

ERIC Educational Resources Information Center

|Two exam questions are presented. One suitable for advanced undergraduate or beginning graduate courses in organic chemistry, is on equivalent expressions for the description of several pericyclic reactions. The second, for general chemistry students, asks for an estimation of the rate of decay of a million-year-old Uranium-238 sample. (BB)|

Alexander, John J., Ed.

1978-01-01

14

Final exam scheduler - FES  

Microsoft Academic Search

Timetabling problems are constraint optimization problems proven to be NP complete. Furthermore, evaluation of violations is costly, and there is no common data format for representing timetabling problem instances. In this paper, a framework for designing memetic algorithms (MAs) to solve timetabling problems is described and a tool, named Final Exam Scheduler (FES) is introduced. FES is the first tool

Ender Özcan; Ersan Ersoy

2005-01-01

15

Digital rectal exam  

MedlinePLUS

... physical examination in both men and women. In men, the test is used to examine the prostate, looking for abnormal enlargement or other signs of prostate cancer . In women, a digital rectal exam may be performed during a routine gynecologic examination. ...

16

Automating preparation of exam questions: Exam Question Classification System (EQCS)  

Microsoft Academic Search

Currently, there is no any available computerized mechanism to classify the exam questions prepared by the instructors. Everything is done manually by the instructors according to their own style. Written exam question has always been a method for educators to assess the level of understanding of students. A good exam question should consist of different levels of difficulties in order

Nor Diana Ahmad; Wan Adilah Wan Adnan; Maslina Abdul Aziz; Mohd Yusaimir Yusof

2011-01-01

17

The Lost Exam (A)  

Microsoft Academic Search

This case series (see also the B [UVA-E-0116] and C [UVA-E-0117] cases) provides examples of how a teacher treats commitment to his or her word as a complex situation unfolds. The ambiguity of a connected series of decision-making situations is highlighted as the potential to exploit a subtle form of cheating arises. The A case begins with a midterm exam

R. Freeman; Gordon Sollars

18

Supporting digital exams: riding class V rapids through exam policy, tech policy, and exam support  

Microsoft Academic Search

At NYU School of Law, all of our exams are administered using technology. By using the words 'exam' and 'technology' in the same sentence, you add challenges. This paper explores our user support strategy developed and refined over the past 6 years to address these challenges for in-class, take-home, and remotely administered exams. We will discuss our coordination and collaboration

Lisa Barnett; Darin Phelps

2010-01-01

19

Normal - Mental Status Exam - Attention Sub-exam - Patient 1  

NSDL National Science Digital Library

In this demonstration video, a patient is given a mental status exam. The patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-01-02

20

Normal - Mental Status Exam - Orientation Sub-exam - Patient 1  

NSDL National Science Digital Library

This video demonstrates a 'normal' mental status exam of a patient. The patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-01-02

21

Normal - Mental Status Exam - Memory Sub-exam - Patient 1  

NSDL National Science Digital Library

This video shows an example of a 'normal' mental status exam of a patient. Patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-04-07

22

EDILE : EXAM DISTANCE LEARNING ENVIRONMENT  

Microsoft Academic Search

Evaluation is an important stage in the learning process, however when dealing with distance learning the evaluation becomes complicated. Hence, our research objective is to design and implement an exam distance learning environment (EDILE). The EDILE covers all stages of the assessment process, beginning from the edition of the exam until the correction of the student answers and the display

R. Mrabet; M. D. Ech-Cherif

23

EXPOSURE ANALYSIS MODELING SYSTEM (EXAMS)  

EPA Science Inventory

The Exposure Analysis Modeling System (EXAMS), first published in 1982 (EPA-600/3-82-023), provides interactive computer software for formulating aquatic ecosystem models and rapidly evaluating the fate, transport, and exposure concentrations of synthetic organic chemicals--pesti...

24

Developing On-line Exams.  

ERIC Educational Resources Information Center

|Discusses advantages and limitations of online exams, describes available software tools for creating computer-based tests (CGI, JavaScript, commercial programs, course authoring tools), and offers suggestions for implementation. (JOW)|

Hartsell, Taralynn S.; Yuen, Steve Chi-Yin

2003-01-01

25

Developing On-line Exams.  

ERIC Educational Resources Information Center

Discusses advantages and limitations of online exams, describes available software tools for creating computer-based tests (CGI, JavaScript, commercial programs, course authoring tools), and offers suggestions for implementation. (JOW)

Hartsell, Taralynn S.; Yuen, Steve Chi-Yin

2003-01-01

26

Exam timetabling using genetic algorithm  

Microsoft Academic Search

In this paper we present a case study concerning the exam timetabling problem we faced, and its genetic algorithm based solution. Several variations of the algorithm as well as the influence of algorithm parameters are analyzed.

M. Cuupic; Marin Golub; Domagoj Jakobovic

2009-01-01

27

Are Online Exams an Invitation to Cheat?  

ERIC Educational Resources Information Center

|In this study, the authors use data from two online courses in principles of economics to estimate a model that predicts exam scores from independent variables of student characteristics. In one course, the final exam was proctored, and in the other course, the final exam was not proctored. In both courses, the first three exams were unproctored.…

Harmon, Oskar R.; Lambrinos, James; Kennedy, Peter, Ed.

2008-01-01

28

Are Online Exams an Invitation to Cheat?  

ERIC Educational Resources Information Center

In this study, the authors use data from two online courses in principles of economics to estimate a model that predicts exam scores from independent variables of student characteristics. In one course, the final exam was proctored, and in the other course, the final exam was not proctored. In both courses, the first three exams were unproctored.…

Harmon, Oskar R.; Lambrinos, James; Kennedy, Peter, Ed.

2008-01-01

29

Exam Schools Versus Magnet Schools.  

ERIC Educational Resources Information Center

Provides background information to two opposing viewpoints, presented in other articles in this issue, on the relative merits and problems of exam schools and magnet schools. The articles were prompted by events in the Boston public school system's elite schools. (LHW)

Equity and Excellence, 1986

1986-01-01

30

Exam Schools Versus Magnet Schools.  

ERIC Educational Resources Information Center

|Provides background information to two opposing viewpoints, presented in other articles in this issue, on the relative merits and problems of exam schools and magnet schools. The articles were prompted by events in the Boston public school system's elite schools. (LHW)|

Equity and Excellence, 1986

1986-01-01

31

Neuropathy - Coordination Exam - Lower Extremities Sub-exam - Patient 7  

NSDL National Science Digital Library

This video demonstrates a coordination exam of the lower extremities. This 61-year-old man has had slowly progressive gait disturbance and weakness of his legs for 14 years. He has developed a limp in both legs, and his feet trip on objects and on uneven floor surfaces resulting in falls. Weakness and numbness of the legs is limiting his ability to walk. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-01-02

32

Take home mid-term exam  

NSDL National Science Digital Library

Qian Yu, University of Massachusetts-Amherst Summary This is the 2nd midterm exam for an introductory level GIS course at 2/3 of the semester. It is an open book take-home exam. This exam is held after student ...

Yu, Qian

33

Turning exams into a learning experience  

Microsoft Academic Search

Most students see exams as a stressful experience, having crammed as much as they possibly can and hoping that the material they have studied would indeed be on the exams, and the material that they did not have the time to study for, nor understand, would be overlooked by their professors. At the same time, instructors see exams as formal

Benjamin Yu; George Tsiknis; Meghan Allen

2010-01-01

34

CompTIA A+ Certifications and Exams  

NSDL National Science Digital Library

A+ certification is one of the most widely recognized computer technician certification programs. Certification is granted by a non-profit trade organization CompTIA and is vendor neutral. This webpage (from CompTIA website) provides links to A+ certification exam preparation material). Links are given to sample test questions and pages providing information on exam objectives; finding training materials & providers; test taking tips; financial aid; and registering for the exam. Information, including a name and email address, are required.

2007-02-26

35

Effect of a Practice Placement Exam on Placement Exam Scores and Success in Calculus 1.  

National Technical Information Service (NTIS)

Most colleges administer mathematics placement exams to place students into their first mathematics course. According to Hassett, Downs, and Jenkins (1992), the importance of these placement exams is not communicated to the students. As a consequence, stu...

M. A. Revak S. Frickenstein D. W. Cribb

1997-01-01

36

Acing the Bar Exam : A Checklist Approach to Taking the Bar Exam  

Microsoft Academic Search

This study aid provides candidates with a complete guide to the bar exam - from pre-planning considerations through bar review and sitting for the exam. Every aspect of the process is explained in detail and by example. The bar exam is deconstructed, section by section, where candidates are led through the steps they need to follow to succeed. Approaches for

Suzanne Darrow-Kleinhaus

2008-01-01

37

From Exam Factories to Communities of Discovery  

ERIC Educational Resources Information Center

|The British current model of education has turned schools into exam factories and further education colleges and universities into skills factories for British industry. In their book, "From Exam Factories to Communities of Discovery: the Democratic Route," the authors offer an alternative way of thinking and talking about education, as well as…

Coffield, Frank; Williamson, Bill

2011-01-01

38

Using Competency Exams for Evaluating Training.  

ERIC Educational Resources Information Center

A competency exam can help determine whether a training program has been effective only if it can pass the test of content validity. Seven steps for ensuring validity are developing learning objectives, outlining content, establishing format, constructing test items, evaluating validity, administering the exam, and analyzing results. (JOW)

Smith, Jack E.; Merchant, Sharon

1990-01-01

39

Making Exam Preparation An Enjoyable Experience  

ERIC Educational Resources Information Center

During oral exams at the German distance learning university, we noticed that students fear that they will be faced with questions that they have not anticipated. In our opinion, this is mainly because students have no chance to train and thereby gather positive experiences with exam situations as they are distributed all over Germany and thus it…

Lukosch, Stephan; Schummer, Till

2006-01-01

40

Exam Frequency Comparison in Introductory Soil Science  

NSDL National Science Digital Library

This article describes a study in which the number of exams administered in a semester was examined to determine its impact on students' grades and on course evaluations regarding their recommendation of the course and the instructor to other students. The course was an introductory soil science course in which, over 3 semesters, 5 exams were given per semester. For the next 5 semesters, the number of exams was increased to 10 per semester. For the most recent semesters, students responded that they preferred more frequent exams. Grouping of the semesters into those with either 5 or 10 tests showed a higher overall class grade-point average for the semesters with more tests, and a Chi-square test showed that the higher grades were due to an increase in the proportion of A's. This grouping also showed that giving more exams did not significantly affect the students' response concerning recommendations of the course or the instructor to other students.

Barbarick, K.

41

Do Proctored Exams Matter In Online Classes?  

Microsoft Academic Search

Does the format of assessment (proctored or un-proctored exams) affect test scores in online principles of economics classes? This study uses data from two courses of principles of economics taught by the same instructor to gain some insight into this issue. When final exam scores are regressed against human capital factors, the R-squared statistic is 61.6% for the proctored format

Oskar R. Harmon; James Lambrinos

2006-01-01

42

The effect of hypnotherapy on exam anxiety and exam performance: a pilot randomised controlled trial  

Microsoft Academic Search

Background: Hypnotherapy is used to treat a range of anxiety disorders. A systematic review in 2009 by Baker, Ainsworth, Torgerson and Torgerson showed that hypnotherapy is effective in reducing exam anxiety; however it was only able to locate five small randomised controlled trials. A full?scale randomised trial is therefore needed to assess whether hypnosis is effective in both reducing exam

Hannah R. Ainsworth; David J. Torgerson; Carole J. Torgerson; Janos Bene; Celia Grant; Sue Ford; Ian Watt

2010-01-01

43

Normal - Cranial Nerves Exam - Oculomotor, Trochlear, Abducens (CN III, IV, VI) Nerves Sub-exam  

NSDL National Science Digital Library

This video depicts a 'normal' cranial nerves exam. Patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-09-21

44

INSTA-EXAM: A Card-Based Exam Preparation System that Eliminates Repeated Typing and Proofreading.  

ERIC Educational Resources Information Center

|A system that rivals today's computer-based exam preparation systems is described. The INSTA-EXAM system is 10 times faster than the more traditional, labor-intensive method of typing directly on stencil masters. Its ability to quickly and efficiently change, update, and delete information makes it especially useful. (RM)|

Tauber, Robert T.

1984-01-01

45

Normal - Station and Gait Exam - Station Sub-exam - Patient 1  

NSDL National Science Digital Library

This video demonstrates a normal patient station and gait exam. The patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-01-02

46

A Memetic Algorithm for University Exam Timetabling  

Microsoft Academic Search

Abstract: The scheduling of exams in institutions of higher education is knownto be a highly constrained problem. The advent of modularity in many institutionsin the UK has resulted in a significant increase in its complexity, imposing evenmore difficulties on university administrators who must find a solution, oftenwithout any computer aid.

Edmund K. Burke; James P. Newall; Rupert F. Weare

1995-01-01

47

English-Spanish Verbatim Translation Exam.  

ERIC Educational Resources Information Center

|The development and validation of the English-Spanish Verbatim Translation Exam (ESVTE) is described. The test is for use by the Federal Bureau of Investigation (FBI) in the selection of applicants for the positions of Language Specialist or Contract Linguist. The report is divided into eight sections. Section 1 describes the need for the test,…

Stansfield, Charles W.; And Others

48

Expedition 32 Final Soyuz Qualification Exams  

NASA Video Gallery

Expedition 32 Flight Engineers Suni Williams, Yuri Malenchenko and Aki Hoshide take their final Soyuz systems qualification exams at the Gagarin Cosmonaut Training Center in Star City, Russia. The trio is scheduled to launch to the International Space Station on July 14.

Russell Todd D

2012-06-20

49

Expedition 36 Final Exams and Training  

NASA Video Gallery

The Expedition 36 crew members conduct final training at the Gagarin Cosmonaut Training Center before their May 28 launch to the International Space Station. Flight Engineers Karen Nyberg, Fyodor Yurchikhin, Luca Parmitano are in Star City, Russia, conducting Russian Soyuz and Russian segment qualification exams and simulations.

Russell Todd D

2013-04-30

50

Learning during a collaborative final exam  

Microsoft Academic Search

Collaborative testing has been suggested to serve as a good learning activity, for example, compared to individual testing. The aim of the present study was to measure learning at different levels of knowledge during a collaborative final exam in a course in basic methods and statistical procedures. Results on pre- and post-tests taken individually (N = 30) before and after the collaborative

Örjan Dahlström

2012-01-01

51

Redesigning the MCAT exam: balancing multiple perspectives.  

PubMed

The authors of this commentary discuss the recently completed review of the current Medical College Admission Test (MCAT), which has been used since 1991, and describe the blueprint for the new test that will be introduced in 2015. The design of the MCAT exam reflects changes in medical education, medical science, health care delivery, and the needs of the populations served by graduates of U.S. and Canadian medical schools. The authors describe how balancing the ambitious goals for the new exam and the varying priorities of the testing program's many stakeholders made blueprint design complex. They discuss the tensions and trade-offs that characterized the design process as well as the deliberations and data that shaped the blueprint.The blueprint for the MCAT exam balances the assessment of a broad range of competencies in the natural, social, and behavioral sciences and critical analysis and reasoning skills that are essential to entering students' success in medical school. The exam will include four sections: Biological and Biochemical Foundations of Living Systems; Chemical and Physical Foundations of Biological Systems; Psychological, Social, and Biological Foundations of Behavior; and Critical Analysis and Reasoning Skills.The authors also offer recommendations for admission committees, advising them to review applicants' test scores, course work, and other academic, personal, and experiential credentials as part of a holistic admission process and in relation to their institutions' educational, scientific, clinical, and service-oriented goals. PMID:23524933

Schwartzstein, Richard M; Rosenfeld, Gary C; Hilborn, Robert; Oyewole, Saundra Herndon; Mitchell, Karen

2013-05-01

52

History of New York State Regents Exams  

ERIC Educational Resources Information Center

|This paper is a brief history of the Regents subject-matter examinations and New York State's efforts to move towards educational equity. New York State was a leader in integrated curriculum and outcomes assessment in high schools for over a century. The first academic exit exam was administered in 1878 and it evolved into the controversial…

Johnson, Carol Siri

2009-01-01

53

Automatic Assessment of 3D Modeling Exams  

ERIC Educational Resources Information Center

|Computer-based assessment of exams provides teachers and students with two main benefits: fairness and effectiveness in the evaluation process. This paper proposes a fully automatic evaluation tool for the Graphic and Virtual Design (GVD) curriculum at the First School of Architecture of the Politecnico di Torino, Italy. In particular, the tool…

Sanna, A.; Lamberti, F.; Paravati, G.; Demartini, C.

2012-01-01

54

Digital Rectal Exam (DRE): What to Expect  

MedlinePLUS

A digital rectal exam (DRE) is a screening test that allows a doctor to check the prostate gland in men or the lower colon/rectum in men and women for cancer or other abnormalities. In addition, in association with a vaginal examination, a DRE can check for cancer of ...

55

Performance of Breast Self-Exam  

Microsoft Academic Search

Breast cancer is a significant health threat for women and is currently the second-leading cause of cancer-related deaths in women. When breast cancer is diagnosed early in the disease process, the probability of survival is quite high, but when diagnosis is made at a later stage, mortality increases dramatically. Thus, early detection is crucial, and monthly breast self-exam (BSE) is

Angela D. Bryan

2001-01-01

56

Expedition 35/36 Final Exams  

NASA Video Gallery

Three Expedition 35/36 crew members prepare for their final exams in their Sokol launch and entry suits at the Gagarin Cosmonaut Training Center in Star City, Russia. NASA astronaut Chris Cassidy and Roscosmos cosmonauts Pavel Vinogradov and Alexander Misurkin are scheduled to launch to the International Space Station on March 28, U.S. time (March 29, Kazakhstan time) in the Soyuz TMA-08M spacecraft.

Mark Garcia

2013-03-05

57

Sample Exams And Transfer In Introductory Mechanics  

NSDL National Science Digital Library

Why do novices use examples so extensively, no matter which subject area? Examples are often helpful because they reveal how to get from problem descriptions to theoretical re-formulations. Moreover, problem solving in semantically rich domains, like physics, requires one to translate a given problem description into theoretical concepts. We address some of the important issues of knowledge transfer, in the context of introductory mechanics, using data from an on-going sample-exam study conducted at Worcester Polytechnic Institute.

Koleci, Carolann

2010-01-18

58

[Microbiological exams and screenings during pregnancy].  

PubMed

Infections due to bacteria, virus or parasites are frequent during pregnancy and can have severe consequences. Moreover, the vaginal carriage of commensal bacteria or dramatic changes in the equilibrium of the vaginal flora can induce complications and cause fetal contaminations. With the help of the guidelines set up by the French Agency of Accreditation and Evaluation in Health (Anaes), the authors detail the microbiological exams and screening which take part in the management of different situations at risk. PMID:16243574

Judlin, P; Thiébaugeorges, O

2005-10-21

59

EXPOSURE ANALYSIS MODELING SYSTEM: REFERENCE MANUAL FOR EXAMS 2  

EPA Science Inventory

The Exposure Analysis Modeling System (EXAMS), published in 1982 (EPA-600/3-82-023), provides rapid evaluations of the behavior of synthetic organic chemicals in aquatic ecosystems. EXAMS combines laboratory data describing reactivity and thermodynamic properties of chemicals wit...

60

X-Ray Exam: Lower Leg (Tibia and Fibula)  

MedlinePLUS

X-Ray Exam: Lower Leg (Tibia and Fibula) KidsHealth > Parents > Doctors & Hospitals > Medical Tests & Exams > X-Ray Exam: Lower Leg (Tibia and Fibula) Print A ... If You Have Questions What It Is An X-ray of the tibia and fibula is a safe ...

61

Relationship Between Perceived Clothing Comfort and Exam Performance  

Microsoft Academic Search

Recent controlled laboratory studies have shown an effect of clothing comfort on cognitive performance. To test this relationship under naturalistic conditions, student scores on statistics exams were compared with comfort ratings. Prior to the exam, students rated their confidence in taking the exam, number of hours studied, comfort level, type of clothes being worn, and other relevant variables. To maintain

Rick Bell; Armand V. Cardello; Howard G. Schutz

2005-01-01

62

Effect of Paper Color and Question Order on Exam Performance  

ERIC Educational Resources Information Center

To deter cheating, teachers commonly use exams printed on differently colored paper or with varied question orders. Previous studies, however, reported that paper color and question order affect exam performance and suggested that teachers should adjust students' scores accordingly and discontinue the use of alternate exam forms. We conducted 2…

Tal, Ilanit R.; Akers, Katherine G.; Hodge, Gordon K.

2008-01-01

63

What Students Learn When Studying Physics Practice Exam Problems  

ERIC Educational Resources Information Center

|We developed a web-based tool to provide students with access to old exam problems and solutions. By controlling the order in which students saw the problems, as well as their access to solutions, we obtained data about student learning by studying old exam problems. Our data suggest that in general students learn from doing old exam problems,…

Fakcharoenphol, Witat; Potter, Eric; Stelzer, Timothy

2011-01-01

64

Profile of State College Entrance Exam Policies. Delaware  

ERIC Educational Resources Information Center

|This individual profile provides information on Delaware's college entrance exam standards and polices. Some of the categories presented include: (1) College entrance exam policy; (2) Purpose; (3) Major changes in college entrance exam policy since the 2009-10 school year for financial reasons; (4) Preparation state offers to students taking…

Center on Education Policy, 2011

2011-01-01

65

The Effect of Announced Quizzes on Exam Performance: II  

ERIC Educational Resources Information Center

|I administered announced, multiple-choice quizzes to 1 of 2 sections of a Psychology of Learning class in each of 2 consecutive fall semesters. The quizzes were administered between the first and second exams which were also multiple-choice. Quizzes were discontinued after the second exam. After the second exam, students completed a questionnaire…

Azorlosa, Julian L.

2011-01-01

66

Enhanced Security for Online Exams Using Group Cryptography  

Microsoft Academic Search

While development of the Internet has contributed to the spread of online education, online exams have not been widely adopted. An online exam is defined here as one that takes place over the insecure Internet, and where no proctor is in the same location as the examinees. This paper proposes an enhanced secure online exam management environment mediated by group

Im Young Jung; Heon Young Yeom

2009-01-01

67

Profile of State College Entrance Exam Policies. Kentucky  

ERIC Educational Resources Information Center

This individual profile provides information on Kentucky's college entrance exam standards and polices. Some of the categories presented include: (1) College entrance exam policy; (2) Purpose; (3) Major changes in college entrance exam policy since the 2009-10 school year for financial reasons; (4) Preparation state offers to students taking…

Center on Education Policy, 2011

2011-01-01

68

Comparing the Lexical Difficulty of French Reading Comprehension Exam Texts  

ERIC Educational Resources Information Center

|There is an acknowledged difficulty in demonstrating that the standard of school exams remains constant over the years. It is a source of debate every summer when exam results come out. There is some evidence that foreign language exams, and French in particular, have declined in standard since the 1980s, but empirical measures to demonstrate…

Milton, James

2004-01-01

69

Teachers' Opinion Concerning Common Exams Administered in Elementary Schools  

ERIC Educational Resources Information Center

|The common exams that have been administered in elementary school since 2007-2008 academic year are inter-classes mid-term evaluations. With these exams, measuring the teachers' performance as well as revealing the differences among the classes are aimed at. Therefore, evaluating these exams in terms of teachers' opinions is essentially important…

Caliskan, Huseyin

2011-01-01

70

Virginia's athletic exam form: results and revisions.  

PubMed

In followup of the expanded preparticipation physical exam form introduced by the Virginia High School League in 1989, the author finds substantial evidence of beneficial effects: 1) Perception by school administrators, parents, and students of distinctly improved physical evaluations. 2) Demonstration of previously unrecognized historical and physical findings of significance. 3) Newfound interest in the relationship of health, fitness, and sports among students, coaches, and physicians. 4) Recognition of Virginia's leadership in promoting safety among high school athletes. Suggestions from the medical community generated revisions in the form, which creates a more effective form and gives the physician more flexibility. PMID:1643120

Perriello, V A

1992-01-01

71

Normal - Cranial Nerves Exam - Facial Nerve (CN VII) Sub-exam - Patient 1  

NSDL National Science Digital Library

This video provides a demonstration of a patient's facial nerve examination. The patient is a female with no known neurological health problems who volunteered to act as a simulated patient in order to demonstrate 'normal' responses to exam techniques. Viewing the video requires installation of the free QuickTime Plug-in.

Pearson, John C.

2009-01-02

72

Engagement with Online Pre-Exam Formative Tests Improves Exam Performance and Feedback Satisfaction  

ERIC Educational Resources Information Center

The National Union of Students (NUS) National Student Experience Report identified examination feedback as an area where students had particular concerns. This finding was echoed in the authors' institution and triggered an action research project to investigate ways of improving students' perceptions of pre- and post-exam feedback. We report the…

Hope, Sheila A.; Polwart, Anthony

2012-01-01

73

Exit Exams Face Pinch in Common-Core Push  

ERIC Educational Resources Information Center

|With many states crafting assessments based on the common-core standards--and an increasing emphasis on college and career readiness--some are rethinking the kind of tests high school students must pass to graduate, or whether to use such exit exams at all. Twenty-five states, enrolling a total of 34.1 million students, make exit exams a…

Ujifusa, Andrew

2012-01-01

74

The Impact of Daily Extra Credit Quizzes on Exam Performance  

ERIC Educational Resources Information Center

|This study examined whether offering daily extra credit quizzes predicted exam performance in an advanced psychology course (n = 36). Results revealed that extra credit performance was a strong predictor of exam performance, above and beyond gender, college grade point average, and ACT scores. In addition, results suggested that nearly half of…

Padilla-Walker, Laura M.

2006-01-01

75

A One-Hour Practical Lab Exam for Organic Chemistry  

ERIC Educational Resources Information Center

|A lab practical exam for second-year organic chemistry is presented that tests multiple lab skills and theory that the students have acquired directly from laboratory experiences. This exam motivates students to learn lab skills and is an effective end-of-term test for many of those skills. (Contains 2 figures.)|

Neeland, Edward G.

2007-01-01

76

Some humor in an A.I. qualifying exam  

Microsoft Academic Search

George L. Sicherman has recently taken the Special Area Qualifying Exam in A.I. in my department. In addition to six bona fide q, he was asked to answer two light-hearted ones. I think his responses are funny enough to be published in this forum. It was a take-home exam which fact enable him to \\

Nicholas V. Findler

1981-01-01

77

Problematizing High School Certificate Exam in Pakistan: A Washback Perspective  

ERIC Educational Resources Information Center

This paper describes and evaluates the Higher-Secondary School Certificate (HSC) exam in Pakistan that has been in place in its present form for more than thirty years. The author recounts her experience as a teacher of English in a representative high school in Pakistan and, reflecting on the impact of high school public exam, she argues that the…

Jilani, Raana

2009-01-01

78

Commitment to Study as a Technique to Improve Exam Performance.  

ERIC Educational Resources Information Center

|Reports on a technique that could increase study time by reducing procrastination. Randomly selected college students (N=197) made written commitments to study for an exam. Students in the commitment condition reported significantly more study time than did students in a control group; they also performed significantly better on the exam. (RJM)|

Leeming, Frank C.

1997-01-01

79

DOS basics  

SciTech Connect

DOS is an acronym for Disk Operating System. It is actually a set of programs that allows you to control your personal computer. DOS offers the capabilities to create and manage files; organize and maintain information placed on disks; use application programs such as WordPerfect, Lotus 123, Excel, Windows, etc. In addition, DOS provides the basic utilities needed to copy files from one area to another, delete files and list files. The latest version of DOS also offers more advanced features that include hard disk compression and memory management. Basic DOS commands are discussed.

O`Connor, P.

1994-09-01

80

Writing about testing worries boosts exam performance in the classroom.  

PubMed

Two laboratory and two randomized field experiments tested a psychological intervention designed to improve students' scores on high-stakes exams and to increase our understanding of why pressure-filled exam situations undermine some students' performance. We expected that sitting for an important exam leads to worries about the situation and its consequences that undermine test performance. We tested whether having students write down their thoughts about an upcoming test could improve test performance. The intervention, a brief expressive writing assignment that occurred immediately before taking an important test, significantly improved students' exam scores, especially for students habitually anxious about test taking. Simply writing about one's worries before a high-stakes exam can boost test scores. PMID:21233387

Ramirez, Gerardo; Beilock, Sian L

2011-01-14

81

What students learn when studying physics practice exam problems  

NASA Astrophysics Data System (ADS)

We developed a web-based tool to provide students with access to old exam problems and solutions. By controlling the order in which students saw the problems, as well as their access to solutions, we obtained data about student learning by studying old exam problems. Our data suggest that in general students learn from doing old exam problems, and that having access to the problem solutions increases their learning. However, the data also suggest the depth of learning may be relatively shallow. In addition, the data show that doing old exam problems provides important formative assessment about the student’s overall preparedness for the exam and their particular areas of strength and weakness.

Fakcharoenphol, Witat; Potter, Eric; Stelzer, Timothy

2011-06-01

82

Air Force Health Care Providers Incidence of Performing Testicular Exams and Instruction of Testicular Self-Exam.  

National Technical Information Service (NTIS)

The purpose of this study was to describe the incidence of Air Force Health Care Provider's performance of testicular exams and their incidence of teaching testicular self-exam (TSE) within an Air Force healthcare setting. The study is also designed to de...

N. S. Adams

1999-01-01

83

X-Ray Exam: Bone Age Study (For Parents)  

MedlinePLUS

... adrenal gland disorders genetic growth disorders, such as Turner syndrome (TS) orthopedic or orthodontic problems in which the ... For Kids For Parents MORE ON THIS TOPIC Turner Syndrome Bones, Muscles, and Joints X-Ray Exam: Wrist ...

84

Exposure Analysis Modeling System (EXAMS): User Manual and System Documentation.  

National Technical Information Service (NTIS)

The Exposure Analysis Modeling System (EXAMS) was designed for rapid evaluation of the behavior of synthetic organic chemicals in aquatic ecosystems. From the chemistry of a compound and the relevant transport and physical/chemical characteristics of the ...

D. M. Cline L. A. Burns R. R. Lassiter

1982-01-01

85

EXAM: A Two-State Thermodynamic Analysis Program.  

National Technical Information Service (NTIS)

EXAM is a computer program written for the analysis of data from calorimetric or spectroscopic data on the denaturation of proteins, oligonucleotides, lipids and other macromolecules in terms of a two-state model of thermodynamic equilibrium.

W. H. Kirchhoff

1993-01-01

86

Do Weekly Quizzes Improve Student Performance on General Biology Exams?  

ERIC Educational Resources Information Center

Evaluates the impact of quizzes on student performance among non-biology major freshmen. Administers weekly quizzes and compares with the control group who experience no quizzes. Reports no significant improvement in exam scores. (YDS)

Haberyan, Kurt A.

2003-01-01

87

Comparative Racial Analysis of Enlisted Advancement Exams: Item Differentiation.  

National Technical Information Service (NTIS)

A comparative racial analysis of item differentiation was conducted to determine whether advancement exam items are similarly differentiating between good and poor performers of racial groups. Techniques were also investigated to improve test quality as m...

D. J. Morena D. W. Robertson M. H. Royle

1977-01-01

88

Your First Pelvic Exam: A Guide for Teens  

MedlinePLUS

... belly or around the pelvic area, where your vagina is Vaginal discharge or wetness on your underwear ... skin that partly covers the opening to your vagina). What should I do before the exam? When ...

89

Implementation of Screening and Exams for Diabetic Retinopathy.  

National Technical Information Service (NTIS)

Diabetes is the leading cause of legal blindness in the US. Diabetic retinopathy is preventable if caught early and sight saving treatment is given; nevertheless, many diabetics simply don't have regular eye exams. Juvenile Diabetes Research Foundation (J...

R. A. Goldstein

2001-01-01

90

Skin Cancer: Need for Skin Exam Increases with Age  

MedlinePLUS

... are middle-aged and older. Why Age Increases Skin Cancer Risk By the time we reach middle ... freckle should be examined by a dermatologist. Regular Skin Exams Can Detect Skin Cancer The purpose of ...

91

Successful student remediation following repeated failures on the HESI exam.  

PubMed

A problem-based remediation plan was developed and implemented to improve the clinical reasoning abilities and standardized test taking abilities of 9 students following 2 failures of the HESI exam. Prior to implementation students were assessed for learning needs, presence of anxiety, and learning styles. After completing the remediation sessions, all students successfully passes the HESI Exam with scores of 99.99. PMID:16913567

English, Jujuan B; Gordon, Debra K

92

Successful student remediation following repeated failures on the HESI Exam.  

PubMed

A problem-based remediation plan was developed and implemented to improve the clinical reasoning abilities and standardized test taking abilities of 9 students following 2 failures of the HESI exam. Prior to implementation students were assessed for learning needs, presence of anxiety, and learning styles. After completing the remediation sessions, all students successfully passes the HESI Exam with scores of 99.99. PMID:18791396

English, Jujuan B; Gordon, Debra K

93

Successful student remediation following repeated failures on the HESI exam.  

PubMed

A problem-based remediation plan was developed and implemented to improve the clinical reasoning abilities and standardized test taking abilities of 9 students following 2 failures of the HESI exam. Prior to implementation students were assessed for learning needs, presence of anxiety, and learning styles. After completing the remediation sessions, all students successfully passed the HESI Exam with scores of 99.99. PMID:15586125

English, Jujuan B; Gordon, Debra K

94

Solving Exam Timetabling Problems with the Flex-Deluge Algorithm  

Microsoft Academic Search

In this abstract we present a new exam timetabling algorithm together with a set of results on the university exam timetabling problems from the University of Toronto collection, available at ftp:\\/\\/ftp. mie. utoronto. ca\\/pub\\/carter\\/testprob\\/. A number of recent papers have studied these problems e. g. Carter et al. [7], Caramia et al. [6], Casey & Thompson [8], Abdullah et al.

Edmund K. Burke; Yuri Bykov

95

Residency Applicants Misinterpret Their United States Medical Licensing Exam Scores  

ERIC Educational Resources Information Center

|Proper interpretation of the results of the United States Medical Licensing Exam (USMLE) is important for program directors, residents, and faculty who advise applicants about applying for residency positions. We suspected that applicants often misinterpreted their performance in relationship to others who took the same examination. In 2005, 54…

Jones, Roger C.; Desbiens, Norman A.

2009-01-01

96

Construct validity in a high-fidelity prostate exam simulator  

Microsoft Academic Search

Background:All health care practitioners should be facile in the digital rectal exam (DRE) as it provides prostate, rectal and neurological information. The purpose of this study was first to justify our hypothesis that tissue elasticity is indicative of carcinomatous changes. Second, we employed urological surgeons to evaluate our prostate simulator in three ways: (1) authenticate that the elasticity of the

C G Kowalik; G J Gerling; A J Lee; W C Carson; J Harper; C A Moskaluk; T L Krupski

2012-01-01

97

From Exam Factories to Communities of Discovery: The Democratic Route  

ERIC Educational Resources Information Center

|"From Exam Factories to Communities of Discovery" passionately calls for educators to challenge the dominant market-led model of education and instead build a more democratic one, better able to face threats such as environmental damage; intensified global competition; corrosive social inequalities in and between nations in the world; and the…

Coffield, Frank; Williamson, Bill

2011-01-01

98

THE IMPACT OF EXAMS ON ANXIETY LEVELS AMONG UNIVERSITY STUDENTS  

Microsoft Academic Search

Objective: To explore the anxiety levels in exam situations among female college students at a female nursing college. Methods: The participants were 50 first year, 46-second year, 44 third year and 47 fourth year students. The Arabic version of the Test Anxiety Inventory was used as a measure of the students' anxiety proneness to evaluative situations such as tests or

Mousa A. Al-Doughmi; Nasser T. Shuriquie; Mona Abdulhamid; Ali Al-Ghwairy; Waleed Shuneigat

99

Psychosocial Factors Associated with Skin Self-Exam Performance  

ERIC Educational Resources Information Center

Objective: The authors examined psychosocial factors associated with skin self-exam (SSE) performance by young adults. Participants and Methods: The authors administered surveys to 218 US college students (aged 18-26 years) attending a large midwestern university. Results: Contrary to prior research, men (44%) and women (49%) were relatively…

Jensen, Jakob D.; Moriarty, Cortney M.

2008-01-01

100

Spanish-English Verbatim Translation Exam. Final Report.  

ERIC Educational Resources Information Center

|The development and validation of the Spanish-English Verbatim Translation Exam (SEVTE) is described. The test is for use by the Federal Bureau of Investigation (FBI) in the selection of applicants for the positions of Language Specialist or Contract Linguist. The report is divided into eight sections. Section 1 describes the need for the test,…

Stansfield, Charles W.; And Others

101

From Exam Factories to Communities of Discovery: The Democratic Route  

ERIC Educational Resources Information Center

"From Exam Factories to Communities of Discovery" passionately calls for educators to challenge the dominant market-led model of education and instead build a more democratic one, better able to face threats such as environmental damage; intensified global competition; corrosive social inequalities in and between nations in the world; and the need…

Coffield, Frank; Williamson, Bill

2011-01-01

102

State High School Exit Exams: A Policy in Transition  

ERIC Educational Resources Information Center

|Since 2002, the Center on Education Policy (CEP) at The George Washington University, a national advocate for public education and improving public schools, has been studying state high school exit examinations--tests students must pass to receive a high school diploma. This year marks the 11th year CEP has reported on exit exams in order to help…

McIntosh, Shelby

2012-01-01

103

College Admissions under a Centralized Entrance Exam: A Compromised Solution  

Microsoft Academic Search

The centralized college admissions via a centralized entrance exam are known to be fair. This multi-category serial dictatorship mechanism gives the colleges their optimal student placement but it is far from optimal for the students. This paper discusses a mechanism of submitting students' preferences after receiving the test results. This adjustment transforms the original mechanism into a pref- erence revelation

Chris Y. Tung

104

Structure of Freshmen's Causal Attributions for Exam Performance  

Microsoft Academic Search

This article explores the structure underlying causal attribution for achievement in an actual academic context. Ss were 859 university freshmen drawn from 4 samples. First, they rated the influence of 10 possible causes on their exam performance. Procrustes factor analysis of the causes revealed 4 factors in each of the samples reflecting the dimensions of locus, stability, control, and globality.

Frank Van Overwalle

1989-01-01

105

Psychosocial Factors Associated with Skin Self-Exam Performance  

ERIC Educational Resources Information Center

|Objective: The authors examined psychosocial factors associated with skin self-exam (SSE) performance by young adults. Participants and Methods: The authors administered surveys to 218 US college students (aged 18-26 years) attending a large midwestern university. Results: Contrary to prior research, men (44%) and women (49%) were relatively…

Jensen, Jakob D.; Moriarty, Cortney M.

2008-01-01

106

The Role of End-of-Course Exams and Minimum Competency Exams in Standards-Based Reforms  

ERIC Educational Resources Information Center

|In this article, the authors looked at the effects of one old-style educational reform--higher course graduation requirements--and five standard-based reforms--(1) school report cards; (2) rewards for school improvement; (3) sanctions for failing schools; (4) minimum competency examinations; and (5) hybrid minimum competency exam

Bishop, John H.; Mane, Ferran; Bishop, Michael; Moriarty, Joan Y.

2001-01-01

107

Does the Number of Hours Studied Affect Exam Performance?  

NSDL National Science Digital Library

This article describes a study in which the number of hours that students studied (determined by askng them) was examined to see how it affected exam performance. The study covered two courses at different institutions over a total of six semesters. Using the overall exam averages and regression analysis, the researchers calculated that students needed to invest from 3.0 to 4.4 hours to earn an average score and from 4.5 to 6.4 hours to earn an A (90 percent or 45 points out of 50) on average. In addition, they determined that the ratio of hours studied to lecture hours needed to earn a score of 90 percent ranged from 1.5 to 2.1 hours with a mean of 1.7, less than the "Carnegie Rule" of 2 hours of outside study time per week for each course credit (where a course credit is equivalent to 1 hour of lecture).

Barbarick, K.

108

Success on Algorithmic and LOCS vs. Conceptual Chemistry Exam Questions  

Microsoft Academic Search

The performance of freshman science, engineering, and in-service teacher students in three Israeli and American universities on algorithmic, lower-order cognitive skills (LOCS), and conceptual chemistry exam questions was investigated. The driving force for the study was an interest in moving chemistry instruction from an algorithm-oriented factual recall approach dominated by LOCS to a decision-making, problem-solving, and critical thinking approach dominated

Uri Zoller; Aviva Lubezky; Mary B. Nakhleh; Barbara Tessier; Yehudit J. Dori

1995-01-01

109

Quantitative growth measurement of lesions in hepatic interval CT exams  

NASA Astrophysics Data System (ADS)

Standard clinical radiological techniques for determining lesion volume changes in interval exams are, as far as we know, quantitatively non-descriptive or approximate at best. We investigate two new registration based methods that help sketch an improved quantitative picture of lesion volume changes in hepatic interval CT exams. The first method, Jacobian Integration, employs a constrained Thin Plate Spline warp to compute the deformation of the lesion of interest over the intervals. The resulting jacobian map of the deformation is integrated to yield the net lesion volume change. The technique is fast, accurate and requires no segmentation, but is sensitive to misregistration. The second scheme uses a Weighted Gray Value Difference image of two registered interval exams to estimate the change in lesion volume. A linear weighting and trimming curve is used to accurately account for the contribution of partial voxels. This technique is insensitive to slight misregistration and useful in analyzing simple lesions with uniform contrast or lesions with insufficient mutual information to allow the computation of an accurate warp. The methods are tested on both synthetic and in vivo liver lesions and results are evaluated against estimates obtained through careful manual segmentation of the lesions. Our findings so far have given us reason to believe that the estimators are reliable. Further experiments on numerous in vivo lesions will probably establish the improved efficacy of these methods in supporting earlier detection of new disease or conversion from stable to progressive disease in comparison to existing clinical estimation techniques.

Sarkar, Saradwata; Narayanan, Ramkrishnan; Park, Hyunjin; Ma, Bing; Bland, Peyton H.; Meyer, Charles R.

2008-04-01

110

Group Collaboration and Learning Through Online Assessments: Comparison of Collaborative and Participatory Online Exams  

Microsoft Academic Search

Online environments are regarded as well constructed to support collaborative and social learning. This research investigates\\u000a small group collaboration and learning in the context of online exams. Incorporating constructivism and collaborative learning\\u000a theories, the online Collaborative Exam features students’ active participation in various phases of the exam process through\\u000a small group activities. The online Participatory Exam features similar processes except

Jia Shen; Starr Roxanne Hiltz; Michael Bieber

2007-01-01

111

Effects of the Implementation of State-Wide Exit Exams on Students' Self-Regulated Learning  

ERIC Educational Resources Information Center

|Whereas several studies investigated the effects of implementation of state-wide exit exams on student achievement, there is still little known about the impacts of the exams on students' self-regulated learning. This paper examines the question as to whether the implementation of state-wide high school exit exams is associated with a change in…

Merki, Katharina Maag

2011-01-01

112

Assessing Conceptual and Algorithmic Knowledge in General Chemistry with ACS Exams  

ERIC Educational Resources Information Center

|In 2005, the ACS Examinations Institute released an exam for first-term general chemistry in which items are intentionally paired with one conceptual and one traditional item. A second-term, paired-questions exam was released in 2007. This paper presents an empirical study of student performances on these two exams based on national samples of…

Holme, Thomas; Murphy, Kristen

2011-01-01

113

Results of a remediation program for students at risk for failure on the NCLEX exam.  

PubMed

Forty-seven nursing students identified as at risk for failure on the NCLEX licensure exam took a commercially available exit exam before and after participation in a remedial test-taking course. Results indicated that participation in the course contributed to a significant increase (p < .001) in exit exam scores. PMID:17380960

Sifford, Susan; McDaniel, D Mike

114

Combined online and in?class pretesting improves exam performance in general psychology  

Microsoft Academic Search

This study examined the effect of distributed questioning on learning and retention in a college lecture course. A total of 48 question pairs were presented over four exams. The 16 question pairs associated with each of the three blocks of the course appeared on the block exams, and all 48 appeared on the final exam. The two questions in each

Arnold Lewis Glass; Gary Brill; Margaret Ingate

2008-01-01

115

How Does Student Performance on Formative Assessments Relate to Learning Assessed by Exams?  

NSDL National Science Digital Library

A retrospective analysis examines the relationships between formative assessments and exam grades in two undergraduate geoscience courses. Pair and group-work grades correlate weakly with individual exam grades. Exam performance correlates to individual, weekly online assessments. Student attendance and use of assessment feedback are also essential factors.

Smith, Gary

2007-07-01

116

76 FR 6190 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

Federal Register 2010, 2011, 2012, 2013

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2011-02-03

117

76 FR 37893 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

Federal Register 2010, 2011, 2012, 2013

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2011-06-28

118

76 FR 6189 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-02-03

119

76 FR 56879 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-09-14

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76 FR 22170 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-04-20

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2011-04-20

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76 FR 46897 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-08-03

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76 FR 56880 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

Federal Register 2010, 2011, 2012, 2013

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2011-09-14

124

76 FR 63715 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-10-13

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76 FR 10942 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-02-28

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76 FR 63716 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

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2011-10-13

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76 FR 2193 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

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2011-01-12

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76 FR 2196 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

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2011-01-12

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76 FR 17996 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

Federal Register 2010, 2011, 2012, 2013

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2011-03-31

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76 FR 17995 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam...  

Federal Register 2010, 2011, 2012, 2013

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2011-03-31

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76 FR 46897 - Open Meeting of the Taxpayer Advocacy Panel Small Business/Self Employed Correspondence Exam Toll...  

Federal Register 2010, 2011, 2012, 2013

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2011-08-03

132

Cytokine dysregulation associated with exam stress in healthy medical students.  

PubMed

The mechanisms of stress-related immune alterations have not been fully elucidated. Cell-mediated immune responses as well as antibody and certain cytokines are reported as being suppressed during times of high stress. However, the role of suppression vs dysregulation has not been established in human stress models. The effect of exam stress on regulatory cytokines in 16 healthy medical students was assessed by measuring type-1 (IFN-gamma) and type-2 (IL-10) cytokines from 72-h PHA/PMA-stimulated PBMC 4 weeks before and 48 h after exams. Results demonstrated decreased IFN-gamma accompanied by increased IL-10 during exam stress that resulted in a decreased IFN-gamma:IL-10 ratio. There was a significant correlation between the cytokine response to PHA/PMA and number and subjective adjustment to daily hassles. Additionally, students who reported greater levels of loneliness also reported greater numbers of and poorer subjective adjustment to hassles. The differences were consistent in both males and females but did not correlate with AM cortisol levels. Additionally, when individuals were grouped into high vs low preexam hassle levels, the type-1/type-2 shift in the IFN-gamma:IL-10 ratio occurred in the low hassles group only. These data suggest that psychologically stressful situations shift type-1/type-2 cytokine balance toward type-2 and result in an immune dysregulation rather than overall immunosuppression. This may partially explain the increased incidence of type-2-mediated conditions such as increased viral infections, latent viral expression, allergic/asthmatic reactions, and autoimmunity reported during periods of high stress. PMID:10080859

Marshall, G D; Agarwal, S K; Lloyd, C; Cohen, L; Henninger, E M; Morris, G J

1998-12-01

133

The HESI Exit Exam: progression benchmark and remediation guide.  

PubMed

Evidence exists indicating that remediation positively affects NCLEX success of students with known academic deficits. However, specific benchmarks that identify students who are at risk of NCLEX failure and in need of remediation have not been identified. Following publication of research findings that established the reliability and validity of the HESI Exit Exam (E) as an accurate measure of students' NCLEX preparedness, nurse educators increasingly chose administer the E to their senior students. This study investigated using the E as a benchmark for progression and as a guide for remediation. PMID:18791395

Nibert, Ainslie T; Young, Anne; Britt, Robin

134

Teaching about substance abuse with objective structured clinical exams  

Microsoft Academic Search

BACKGROUND: Although residents commonly manage substance abuse disorders, optimal approaches to teaching these specialized interviewing\\u000a and intervention skills are unknown.\\u000a \\u000a \\u000a OBJECTIVE: We developed a Substance Abuse Objective Structured Clinical Exam (OSCE) to teach addiction medicine competencies using immediate\\u000a feedback. In this study we evaluated OSCE performance, examined associations between performance and self-assessed interest\\u000a and competence in substance abuse, and assessed

Sharon J. Parish; Megha Ramaswamy; Melissa R. Stein; Elizabeth K. Kachur; Julia H. Arnsten

2006-01-01

135

How accurately can students estimate their performance on an exam and how does this relate to their actual performance on the exam?  

NASA Astrophysics Data System (ADS)

Research has shown students' beliefs regarding their own abilities in math and science can influence their performance in these disciplines. I investigated the relationship between students' estimated performance and actual performance on five exams in a second semester calculus-based physics class. Students in a second-semester calculus-based physics class were given about 72 hours after the completion of each of five exams, to estimate their individual and class mean score on each exam. Students were given extra credit worth 1% of the exam points for estimating their score correct within 2% of the actual score and another 1% extra credit for estimating the class mean score within 2% of the correct value. I compared students' individual and mean score estimations with the actual scores to investigate the relationship between estimation accuracies and exam performance of the students as well as trends over the semester.

Rebello, N. Sanjay

2012-02-01

136

How accurately can students estimate their performance on an exam and how does this relate to their actual performance on the exam?  

NSDL National Science Digital Library

Research has shown students' beliefs regarding their own abilities in math and science can influence their performance in these disciplines. I investigated the relationship between students' estimated performance and actual performance on five exams in a second semester calculus-based physics class. Students in a second-semester calculus-based physics class were given about 72 hours after the completion of each of five exams, to estimate their individual and class mean score on each exam. Students were given extra credit worth 1% of the exam points for estimating their score correct within 2% of the actual score and another 1% extra credit for estimating the class mean score within 2% of the correct value. I compared students' individual and mean score estimations with the actual scores to investigate the relationship between estimation accuracies and exam performance of the students as well as trends over the semester.

Rebello, N. S.

2012-05-15

137

Emergency medicine residents' attitudes and opinions of in-training exam preparation  

PubMed Central

Purpose Emergency Medicine (EM) residents take the American Board of Emergency Medicine (ABEM) in-training exam, and performance on this exam has been shown to correlate to performance on the ABEM qualifying exam. Though many residencies have in-training exam preparation activities, there is little data on the effectiveness of these efforts. This study aimed to elicit resident perspectives about the exam and exam preparation in order to generate hypotheses and better inform future preparation efforts. Methods Second- and third-year EM residents at a single institution were interviewed using a semi-structured format. Qualitative methodology was used to analyze the data. Results Thirteen EM residents participated in the study. Eight major themes and 18 sub-themes were identified. These were further characterized as relating to the exam itself or to exam preparation. Residents generally value the in-training exam. Sixty-nine percent noted that it provided an assessment of their current knowledge and deficiencies. Thirty-eight percent noted that it improved familiarity with the qualifying exam. Regarding exam preparation, residents stated that a question format was preferred, especially when accompanying explanations were of high quality. Additionally, practical considerations, such as portability, impacted resident selection of study tools. Conclusion Residents value the in-training exam as a marker of their academic progress and for their ability to gain familiarity with the qualifying exam. They prefer question-based preparation over text-based learning, as long as there is a detailed explanation of each answer. Educators creating structured in-training review may want to focus on question-based material with detailed explanations.

Eastin, Travis R; Bernard, Aaron W

2013-01-01

138

A history of interpersonal trauma and the gynecological exam.  

PubMed

Cervical cancer is preventable, in part, by routine Papanicolaou (Pap) testing, but some women avoid routine screening. African American women have the greatest mortality among all groups of women in the United States. Personal reasons have been found to contribute to screening avoidance behavior, such as a history of sexual abuse and intimate partner violence. Fifteen African American women with a trauma history participated in personal interviews. The Interaction Model of Client Behavior was employed for exploring the women's social influence, previous health care experience, cognitive appraisal, affective response, and motivation associated with routine Pap testing. Study findings suggest that providers need to assess and provide accurate information about Pap testing and cervical cancer to increase patients' knowledge. Personally reflecting on one's approach to conducting a woman's gynecologic exam (and how it is performed) might prevent triggering unwanted memories, making that visit a positive experience and facilitating repeat screening behavior. PMID:22068042

Ackerson, Kelly

2011-11-07

139

Predicting NCLEX-PN success with the HESI Exit Exam.  

PubMed

Surveys were mailed to directors of 72 randomly selected practical nursing (PN) schools that administered Elsevier's HESI Exit Exam for Practical Nurses (E2-PN) during the 2006-2007 academic year. Data were collected regarding students' NCLEX-PN outcomes and the schools' benchmarking and remediation policies. The first version of the E2-PN was 99.48% accurate in predicting NCLEX-PN success. Versions two and three of the E2-PN, which were administered to students who were remediated because they did not achieve the faculty-designated benchmark, were also highly accurate in predicting NCLEX-PN success. Most faculties set 850 as their school's E2-PN benchmark, and 73% of the respondents required remediation for students who did not achieve the benchmark score. The most frequently cited remediation strategy was tutoring. PMID:21534440

Young, Anne; Willson, Pamela

2010-01-01

140

Language Placement and Beyond: Guidelines for the Design and Implementation of a Computerized Spanish Heritage Language Exam  

ERIC Educational Resources Information Center

|This paper outlines the design, implementation, and analysis of a computerized Spanish heritage language (SHL) placement exam. The exam created by the authors exemplifies how to design a simple yet effective placement exam with limited resources. It is suggested that an SHL placement exam should be developed in-house due not only to the diversity…

Beaudrie, Sara M.; Ducar, Cynthia

2012-01-01

141

The Effect of Using Water-based Gel Lubricant During a Speculum Exam On Pap Smear Results  

Microsoft Academic Search

Background: Cervical cancer is a pervasive yet preventable killer. Although routine screening exams are available to aid in the early detection of cervical cancer, women often avoid getting their routine annual screening exams. One explanation of this could be due to the discomfort of speculum exams. One way to minimize the discomfort of the speculum exam is to use gel-lubricant.

Jessica L. Wright

2010-01-01

142

Content validity of manual spinal palpatory exams - A systematic review  

PubMed Central

Background Many health care professionals use spinal palpatory exams as a primary and well-accepted part of the evaluation of spinal pathology. However, few studies have explored the validity of spinal palpatory exams. To evaluate the status of the current scientific evidence, we conducted a systematic review to assess the content validity of spinal palpatory tests used to identify spinal neuro-musculoskeletal dysfunction. Methods Review of eleven databases and a hand search of peer-reviewed literature, published between 1965–2002, was undertaken. Two blinded reviewers abstracted pertinent data from the retrieved papers, using a specially developed quality-scoring instrument. Five papers met the inclusion/exclusion criteria. Results Three of the five papers included in the review explored the content validity of motion tests. Two of these papers focused on identifying the level of fixation (decreased mobility) and one focused on range of motion. All three studies used a mechanical model as a reference standard. Two of the five papers included in the review explored the validity of pain assessment using the visual analogue scale or the subjects' own report as reference standards. Overall the sensitivity of studies looking at range of motion tests and pain varied greatly. Poor sensitivity was reported for range of motion studies regardless of the examiner's experience. A slightly better sensitivity (82%) was reported in one study that examined cervical pain. Conclusions The lack of acceptable reference standards may have contributed to the weak sensitivity findings. Given the importance of spinal palpatory tests as part of the spinal evaluation and treatment plan, effort is required by all involved disciplines to create well-designed and implemented studies in this area.

Najm, Wadie I; Seffinger, Michael A; Mishra, Shiraz I; Dickerson, Vivian M; Adams, Alan; Reinsch, Sibylle; Murphy, Linda S; Goodman, Arnold F

2003-01-01

143

[Difference analysis among majors in medical parasitology exam papers by test item bank proposition].  

PubMed

The quality index among "Medical Parasitology" exam papers and measured data for students in three majors from the university in 2010 were compared and analyzed. The exam papers were formed from the test item bank. The alpha reliability coefficients of the three exam papers were above 0.70. The knowledge structure and capacity structure of the exam papers were basically balanced. But the alpha reliability coefficients of the second major was the lowest, mainly due to quality of test items in the exam paper and the failure of revising the index of test item bank in time. This observation demonstrated that revising the test items and their index in the item bank according to the measured data can improve the quality of test item bank proposition and reduce the difference among exam papers. PMID:22908821

Jia, Lin-Zhi; Ya-Jun, Ma; Cao, Yi; Qian, Fen; Li, Xiang-Yu

2012-04-30

144

Developing, deploying, and analyzing exam wrappers in a large introductory physics class  

NASA Astrophysics Data System (ADS)

In a typical semester, approximately 2000 students are registered into a calculus based introductory physics course at Georgia Tech. In each course, approximately 75 percent of a student's final grade is based on exam performance. Our goal was to encourage students into the feedback cycle of self-regulated learning by asking them to complete exam wrappers; post examination assignments that ask student to reflect on their study habits and errors made during an exam. We cluster students into groups based on how they partitioned their study time. We analyze exam and overall course performance for each group. In addition, we compare the performance of students who completed exam wrappers with those that did not. We find that exam wrappers are useful tool for both the instructor and student.

Greco, Edwin

2012-03-01

145

How compliant is compliant? Evaluating adherence with breast self-exam positions  

Microsoft Academic Search

The present study examined compliance with the three recommended breast self-examination (BSE) positions over a 6-month follow-up period. An ongoing behavioral measure that provided information about the type of exam performed during each BSE occasion was employed. Results indicated that adherence to all three position types was obtained in only 40% of the exams. Forty-two percent of exams were comprised

Vivian M. Stevens; Joseph W. Hatcher; Barbara K. Bruce

1994-01-01

146

Protein and lipid oxidative damage in healthy students during and after exam stress.  

PubMed

Oxidative damage at cellular level is thought to be one of the mechanisms in the pathogenesis of psychological stress (anxiety). The aim of this study was to investigate lipid and protein oxidative damage in exam anxiety conditions. Blood samples were collected in two stages (during the exam period and post vacation) from 51 healthy female students after responding to Beck Anxiety Inventory (BAI) and test anxiety questionnaire. Protein carbonyl, total thiol and malondialdehyde (MDA) levels were determined in serum. Participants reported significantly higher levels of subjective anxiety during the exam period than post vacation. Also the level of total thiol was significantly lower during the exam period compared with post vacation (p<0.001). Meanwhile, protein carbonyl and MDA levels during the exams were significantly higher than those in post-exam period (p<0.01). During the exam period, there was a negative correlation between serum total thiol levels and the severity of anxiety (r=-0.45, p<0.01). A significant positive correlation between the changes in serum protein carbonyl and MDA levels, also between those markers and anxiety score was found during the exam period. The high level of protein carbonyl and MDA, also low level of total thiol during the exam period demonstrated an oxidative damage to proteins and lipids in stress conditions. Our results suggest that oxidative damage to cellular compounds may be one of the mechanisms involved in the pathogenesis of anxiety. PMID:23688949

Nakhaee, Alireza; Shahabizadeh, Fatemeh; Erfani, Mozhgan

2013-05-18

147

Want to Reduce Guessing and Cheating While Making Students Happier? Give More Exams!  

NASA Astrophysics Data System (ADS)

It is almost universally agreed that more frequent formative assessment (homework, clicker questions, practice tests, etc.) leads to better student performance and generally better course evaluations.1 There is, however, only anecdotal evidence that the same would be true for more frequent summative assessment (exams). There maybe many arguments against giving more exams, including the general ``pain'' associated with examinations, as well as reduced teaching time, since classroom sessions are dedicated to exams rather than lecturing. We present evidence that increasing the number of exams in fact does lead to better learning success, less cheating and guessing on homework, and better student course evaluations.

Laverty, James T.; Bauer, Wolfgang; Kortemeyer, Gerd; Westfall, Gary

2012-12-01

148

Assessing Assessment: The Effects of Two Exam Formats on Course Achievement and Evaluation  

ERIC Educational Resources Information Center

This research examines the effect of two testing strategies on academic achievement and summative evaluations in an introductory statistics course. In 2001, 63 students underwent an hourly midterm format; and in 2002, 68 students underwent a bi-weekly exam format. Other than the exam format, the class lectures and labs were identical in terms of…

Myers, Carrie B.; Myers, Scott M.

2007-01-01

149

Pick-N Multiple Choice-Exams: A Comparison of Scoring Algorithms  

ERIC Educational Resources Information Center

|To compare different scoring algorithms for Pick-N multiple correct answer multiple-choice (MC) exams regarding test reliability, student performance, total item discrimination and item difficulty. Data from six 3rd year medical students' end of term exams in internal medicine from 2005 to 2008 at Munich University were analysed (1,255 students,…

Bauer, Daniel; Holzer, Matthias; Kopp, Veronika; Fischer, Martin R.

2011-01-01

150

The ACS Exams Institute Undergraduate Chemistry Anchoring Concepts Content Map I: General Chemistry  

ERIC Educational Resources Information Center

To provide tools for programmatic assessment related to the use of ACS Exams in undergraduate chemistry courses, the ACS Exams Institute has built a content map that applies to the entire undergraduate curriculum. At the top two levels, the grain size of the content classification is large and spans the entire undergraduate curriculum. At the…

Holme, Thomas; Murphy, Kristen

2012-01-01

151

Academic Self-Efficacy and Malleability of Relevant Capabilities as Predictors of Exam Performance.  

ERIC Educational Resources Information Center

Results of a study involving 438 college freshmen indicated that academic self-efficacy and personal goals contributed to exam performance. In a second study with the same students, the mean exam performance of participants with high self-efficacy appraisals and strong malleability beliefs was better than that of students with low self-efficacy…

Vrugt, Anneke J.; Hoogstraten, Johan; Langereis, Marjan P.

1997-01-01

152

Investigating the Relationship between Faculty Cognitive Expectations about Learning Chemistry and the Construction of Exam Questions  

ERIC Educational Resources Information Center

|We have investigated chemistry faculty's cognitive expectations about learning chemistry and their influence upon the construction of exam questions in a general chemistry curriculum. Faculty cognitive expectations for learning chemistry were measured using QUIMX. Learning objectives and exam questions for a year-long general chemistry sequence…

Sanabria-Rios, David; Bretz, Stacey Lowery

2010-01-01

153

The ACS Exams Institute Undergraduate Chemistry Anchoring Concepts Content Map I: General Chemistry  

ERIC Educational Resources Information Center

|To provide tools for programmatic assessment related to the use of ACS Exams in undergraduate chemistry courses, the ACS Exams Institute has built a content map that applies to the entire undergraduate curriculum. At the top two levels, the grain size of the content classification is large and spans the entire undergraduate curriculum. At the…

Holme, Thomas; Murphy, Kristen

2012-01-01

154

Exam Analysis Procedure. Loma Linda University School of Nursing Learning Assistance Program.  

ERIC Educational Resources Information Center

An exam analysis procedure was developed at Loma Linda University School of Nursing to help students who do poorly on tests identify problem areas. Using the student's exam paper, the student and instructor discuss each incorrectly answered question, and record the problem on a check sheet. The procedure makes it possible to identify how many…

Condon, Vaneta M.

155

Examining the Effects of Flexible Online Exams on Students' Engagement in E-Learning  

ERIC Educational Resources Information Center

Online assessments are essential parts of online learning. There are some debates on quality of online assessments. Nevertheless the study considered online exams as an instructional activity and aimed to examine the effects of online exams on students' engagements related to course goals. The study was conducted on two cases, which are…

Karaman, Selcuk

2011-01-01

156

A Valid and Reliable Instrument for Cognitive Complexity Rating Assignment of Chemistry Exam Items  

ERIC Educational Resources Information Center

The design and use of a valid and reliable instrument for the assignment of cognitive complexity ratings to chemistry exam items is described in this paper. Use of such an instrument provides a simple method to quantify the cognitive demands of chemistry exam items. Instrument validity was established in two different ways: statistically…

Knaus, Karen; Murphy, Kristen; Blecking, Anja; Holme, Thomas

2011-01-01

157

Controversies Surrounding the Rape Kit Exam in the 1980s: Issues and Alternatives  

Microsoft Academic Search

Based on a study of 130 organizations in Florida that deal with survivors of sexual assault, controversies that surround the “rape kit exam”—medical examination for purposes of evidence collection—are identified and discussed. After an overview of the rape kit examination and typical sites and personnel for performing it, the article focuses on issues relative to the exam including the following:

Patricia Yancey Martin; Diana DiNitto; Sharon Maxwell; Diane Blum Norton

1985-01-01

158

Providing the Answers Does Not Improve Performance on a College Final Exam  

ERIC Educational Resources Information Center

|In the context of an upper-level psychology course, even when students were given an opportunity to refer to text containing the answers and change their exam responses in order to improve their exam scores, their performance on these questions improved slightly or not at all. Four experiments evaluated competing explanations for the students'…

Glass, Arnold Lewis; Sinha, Neha

2013-01-01

159

The ACT of Enrollment: The College Enrollment Effects of State-Required College Entrance Exam Testing  

ERIC Educational Resources Information Center

Since 2001 Colorado, Illinois, and Maine have all enacted policies that require high school juniors to take college entrance exams--the SAT or the ACT. One goal of these policies was to increase college enrollment based on the belief that requiring students to take these exams would make students more likely to consider college as a viable option.…

Klasik, Daniel

2013-01-01

160

Systematically designed license exams in non-native countries to accelerate globalizing pace  

Microsoft Academic Search

It is important for a technician to get the vocational licenses. The system of the vocational license exam is highly appreciated by many countries. Therefore, it is helpful to globalization to have a systematically designed license exams related to internationalization. We propose the vocational licenses can be classified as globalizing type (GT) and domestic type (DT). For example, interpreters, bartenders,

Bing-Yuh Lu; Ming-Li Tung; Mau-Yuan Wang; Hao-Li Liu; Tzu-Ching Shih

2004-01-01

161

Use of a Consumer-Grade Digital Camera to Archive Written Exams  

ERIC Educational Resources Information Center

The use of a photocopier to archive exams consumes photocopier resources and generates a large amount of waste. As an alternative, I have been using a consumer-grade digital camera to document exams in an upper-division biology course. The approach is inexpensive and offers a number of advantages over photocopies. (Contains 2 figures.)

Maduro, Morris

2006-01-01

162

Effects of Online Testing on Student Exam Performance and Test Anxiety  

ERIC Educational Resources Information Center

|Increased use of course management software to administer course exams online for face-to-face classes raises the question of how well test anxiety and other emotions generalize from the classroom to an online setting. We hypothesized that administering regular course exams in an online format would reduce test anxiety experienced at the time of…

Stowell, Jeffrey R.; Bennett, Dan

2010-01-01

163

Student Grade Motivation as a Determinant of Performance on the Business Major Field ETS Exam  

ERIC Educational Resources Information Center

|This paper examines the determinants of performance on the business major field achievement ETS exam with a focus on the impact of applying ETS exam scores to part of the capstone course grade as a performance incentive. The sample consists of 150 students at a midsized regional institution located in the Southwestern region of the United States.…

Terry, Neil; Mills, LaVelle; Sollosy, Marc

2008-01-01

164

A Study of the Relationship between Student Final Exam Performance and Simulation Game Participation.  

ERIC Educational Resources Information Center

|Describes study that investigated the relationship between participation in a business simulation game and performance on a final exam in a principles of marketing course. Past research on business games is reviewed; the use of midterm exam performance level as a pretest variable is explained; and question classification is described. (44…

Whiteley, T. R.; Faria, A. J.

1989-01-01

165

A Study of the Relationship between Student Final Exam Performance and Simulation Game Participation.  

ERIC Educational Resources Information Center

Describes study that investigated the relationship between participation in a business simulation game and performance on a final exam in a principles of marketing course. Past research on business games is reviewed; the use of midterm exam performance level as a pretest variable is explained; and question classification is described. (44…

Whiteley, T. R.; Faria, A. J.

1989-01-01

166

Research on the general exam system model based on ontology and multi-agent  

Microsoft Academic Search

Considering the limitation of the traditional and current examination system, this paper brings forward a framework and be used for the general exam system. The general exam system is based on three layers: the user layer, the application logic layer and the data services layer with ontology base, user feature base, method base and knowledge base. In the system, ontology

Chunhong Wang; Lele Qin

2009-01-01

167

Engaging students and evaluating learning progress using collaborative exams in introductory courses  

Microsoft Academic Search

Collaborative exams, with subsections in which students have an opportunity to work with each other, are not yet widely used in introductory geoscience courses. This type of exam structure, with other participatory teaching strategies, was employed in two different courses, and results were found to provide a sensitive and revealing tool for analyzing the progress of students' individual and collaborative

Timothy T. Eaton

2009-01-01

168

Exam High Schools and Academic Achievement: Evidence from New York City. NBER Working Paper No. 17286  

ERIC Educational Resources Information Center

Publicly funded exam schools educate many of the world's most talented students. These schools typically contain higher achieving peers, more rigorous instruction, and additional resources compared to regular public schools. This paper uses a sharp discontinuity in the admissions process at three prominent exam schools in New York City to provide…

Dobbie, Will; Fryer, Roland G., Jr.

2011-01-01

169

Use of a Consumer-Grade Digital Camera to Archive Written Exams  

ERIC Educational Resources Information Center

|The use of a photocopier to archive exams consumes photocopier resources and generates a large amount of waste. As an alternative, I have been using a consumer-grade digital camera to document exams in an upper-division biology course. The approach is inexpensive and offers a number of advantages over photocopies. (Contains 2 figures.)|

Maduro, Morris

2006-01-01

170

Democracy in the Israeli Education System: The Case of the English Matriculation Exam  

ERIC Educational Resources Information Center

|This research investigates the extent to which indices of social justice and democratic rights are expressed in Israel in the crucial national English matriculation exam, as perceived by Palestinian Arab high school pupils studying for these exams and their English teachers. The research employed Critical Theory as a paradigm, case study as a…

Zaher, Rana

2012-01-01

171

Lack of Follow-Up Exams after Failed School Vision Screenings: An Investigation of Contributing Factors  

ERIC Educational Resources Information Center

|Programs to facilitate professional eye exams after failed school vision screenings often are based on the assumption that funding and access to services are major obstacles to care. Despite such programs, many children do not receive professional exams. The purpose of this study was to identify additional barriers to follow-up eye care. School…

Kimel, Linda S.

2006-01-01

172

Knowledge Assessment of Food Safety Managers in Utah and Its Implications on the Exam and Instruction  

ERIC Educational Resources Information Center

|Food Safety Manager's Certification is offered through a state-local Extension partnership in Utah using an online course management system. Exams and course materials were created by an Extension Specialist at Utah State Univ. Extension Agents provide exam and curriculum facilitation in each county. This form of distance education enables access…

Nummer, Brian A.; Guy, Stanley M.; Bentley, Joanne P. H.

2010-01-01

173

Unraveling the Myths of Accountability: A Case Study of the California High School Exit Exam  

ERIC Educational Resources Information Center

Believing that accountability could be a vehicle for change, the California Department of Education (CDE) requires all high school students to pass the California High School Exit Exam (CAHSEE) in order to graduate. In doing so, California joins many others states in mandating a high school exit exam as a current or future requirement for…

Ullucci, Kerri; Spencer, Joi

2009-01-01

174

Approaches to studying and academic performance in short-essay exams  

Microsoft Academic Search

Previous research has generallyfailed to find a relation between the waystudents approach the task of studying andtheir exam grades. The present studyinvestigated why it is that a deep approach tostudying, which has been shown to result in ahigher quality of learning, does notconsistently result in higher exam grades. Theparticipants in the study were 49 third-yearpsychology students. They completedquestionnaires that assessed

Amirali Minbashian; Gail F. Huon; Kevin D. Bird

2004-01-01

175

Exam High Schools and Academic Achievement: Evidence from New York City. NBER Working Paper No. 17286  

ERIC Educational Resources Information Center

|Publicly funded exam schools educate many of the world's most talented students. These schools typically contain higher achieving peers, more rigorous instruction, and additional resources compared to regular public schools. This paper uses a sharp discontinuity in the admissions process at three prominent exam schools in New York City to provide…

Dobbie, Will; Fryer, Roland G., Jr.

2011-01-01

176

Examining the Effects of Flexible Online Exams on Students' Engagement in E-Learning  

ERIC Educational Resources Information Center

|Online assessments are essential parts of online learning. There are some debates on quality of online assessments. Nevertheless the study considered online exams as an instructional activity and aimed to examine the effects of online exams on students' engagements related to course goals. The study was conducted on two cases, which are…

Karaman, Selcuk

2011-01-01

177

Work In Progress – Do Women Score Lower Than Men on Computer Engineering Exams?  

Microsoft Academic Search

Women have long been underrepresented in undergraduate engineering programs. Women may drop out of engineering programs when they become discouraged by low exam scores. In this project, we examine whether women earn lower exam scores than men and whether Dweck's model of self-theories explains the difference. Dweck proposed two categories for individuals' beliefs about intelligence: incremental theories and entity theories.

I-Ju Liao; Michael C. Loui

2005-01-01

178

Does Eating Breakfast Affect the Performance of College Students on Biology Exams?  

ERIC Educational Resources Information Center

|This study examined the breakfast eating habits of 1,259 college students over an eleven year period to determine if eating breakfast had an impact upon their grade on a General Biology exam. The study determined that there was a significant difference in the performance on the exam with a higher percent of the participants, who had eaten…

Phillips, Gregory W.

2005-01-01

179

Sensitivity in detecting free intraperitoneal fluid with the pelvic views of the FAST exam  

Microsoft Academic Search

The multiple-view focused assessment with sonography for trauma (FAST) exam is an integral tool in the assessment of blunt abdominal trauma. A prospective observational study was performed to compute the average minimum volume of detectable intraperitoneal fluid with the pelvic views of the FAST exam. All adult patients from October 1999 to May 2001, who presented to the ED with

Dietrich Von Kuenssberg Jehle; Greg Stiller; David Wagner

2003-01-01

180

The Effect of Tutoring on Math Scores for the Praxis I Exam  

ERIC Educational Resources Information Center

|The Praxis test is one of a series of national teacher certification exams written and administered by the Education Testing Service (ETS) since 1947. Currently, forty states now require some form of the Praxis Series (Educational Testing Service, 2011). Using pre- and post-tests similar to the Praxis I math exam, this study examined the affect…

Longwell-Grice, Robert; McIlheran, Janine; Schroeder, Mark; Scheele, Steve

2013-01-01

181

Training children with autism spectrum disorders to be compliant with a physical exam  

Microsoft Academic Search

The purpose of this study was to train children with autism spectrum disorders to be compliant with a 10-component physical examination. After a physician assistant administered an exam pretest, noncompliance on steps of the exam were considered with respect to a skill deficit and escape from aversive stimuli. A package of training procedures was implemented, including preference assessment, priming DVD,

Anthony J. Cuvo; Amanda Law Reagan; Julie Ackerlund; Rachel Huckfeldt; Cheri Kelly

2010-01-01

182

Experience using radio frequency laptops to access the electronic medical record in exam rooms.  

PubMed Central

Kaiser Permanente, Northwest, evaluated the use of laptop computers to access our existing comprehensive Electronic Medical Record in exam rooms via a wireless radiofrequency (RF) network. Eleven of 22 clinicians who were offered the laptops successfully adopted their use in the exam room. These clinicians were able to increase their exam room time with the patient by almost 4 minutes (25%), apparently without lengthening their overall work day. Patient response to exam room computing was overwhelmingly positive. The RF network response time was similar to the hardwired network. Problems cited by some laptop users and many of the eleven non-adopters included battery issues, different equipment layout and function, and inadequate training. IT support needs for the RF laptops were two to four times greater than for hardwired desktops. Addressing the reliability and training issues should increase clinician acceptance, making a successful general roll-out for exam room computing more likely.

Dworkin, L. A.; Krall, M.; Chin, H.; Robertson, N.; Harris, J.; Hughes, J.

1999-01-01

183

EFETIVIDADE NO ENSINO SUPERIOR BRASILEIRO: APLICAÇÃO DE MODELOS MULTINÍVEL À ANÁLISE DOS RESULTADOS DO EXAME NACIONAL DE CURSOS  

Microsoft Academic Search

This study analyses the impact of institutional characteristics on the students' performance in the National Examination of Higher Education Courses (Provão). A sample of more than 92500 students from Management, Law and Civil Engineering who had made the tests in the year 2000 was analyzed. Multilevel models have been fitted because these data present an evident hierarchical structure. Regarding individual

Maria Dolores Montoya Diaz

2005-01-01

184

Multiple-Choice Exams: An Obstacle for Higher-Level Thinking in Introductory Science Classes  

PubMed Central

Learning science requires higher-level (critical) thinking skills that need to be practiced in science classes. This study tested the effect of exam format on critical-thinking skills. Multiple-choice (MC) testing is common in introductory science courses, and students in these classes tend to associate memorization with MC questions and may not see the need to modify their study strategies for critical thinking, because the MC exam format has not changed. To test the effect of exam format, I used two sections of an introductory biology class. One section was assessed with exams in the traditional MC format, the other section was assessed with both MC and constructed-response (CR) questions. The mixed exam format was correlated with significantly more cognitively active study behaviors and a significantly better performance on the cumulative final exam (after accounting for grade point average and gender). There was also less gender-bias in the CR answers. This suggests that the MC-only exam format indeed hinders critical thinking in introductory science classes. Introducing CR questions encouraged students to learn more and to be better critical thinkers and reduced gender bias. However, student resistance increased as students adjusted their perceptions of their own critical-thinking abilities.

Stanger-Hall, Kathrin F.

2012-01-01

185

Multiple-choice exams: an obstacle for higher-level thinking in introductory science classes.  

PubMed

Learning science requires higher-level (critical) thinking skills that need to be practiced in science classes. This study tested the effect of exam format on critical-thinking skills. Multiple-choice (MC) testing is common in introductory science courses, and students in these classes tend to associate memorization with MC questions and may not see the need to modify their study strategies for critical thinking, because the MC exam format has not changed. To test the effect of exam format, I used two sections of an introductory biology class. One section was assessed with exams in the traditional MC format, the other section was assessed with both MC and constructed-response (CR) questions. The mixed exam format was correlated with significantly more cognitively active study behaviors and a significantly better performance on the cumulative final exam (after accounting for grade point average and gender). There was also less gender-bias in the CR answers. This suggests that the MC-only exam format indeed hinders critical thinking in introductory science classes. Introducing CR questions encouraged students to learn more and to be better critical thinkers and reduced gender bias. However, student resistance increased as students adjusted their perceptions of their own critical-thinking abilities. PMID:22949426

Stanger-Hall, Kathrin F

2012-01-01

186

The Relationship between AP[R] Exam Performance and College Outcomes. Research Report No. 2009-4  

ERIC Educational Resources Information Center

|This study focused on the relationship between students' Advanced Placement Program[R] (AP[R]) performance in AP English Language, Biology, Calculus, and U.S. History, and their subsequent college success. For each AP Exam studied, students were divided into three groups according to their AP Exam performance (no AP Exam taken, score of 1 or 2,…

Mattern, Krista D.; Shaw, Emily J.; Xiong, Xinhui

2009-01-01

187

The Elite Illusion: Achievement Effects at Boston and New York Exam Schools. NBER Working Paper No. 17264  

ERIC Educational Resources Information Center

|Talented students compete fiercely for seats at Boston and New York exam schools. These schools are characterized by high levels of peer achievement and a demanding curriculum tailored to each district's highest achievers. While exam school students clearly do very well in school, the question of whether an exam school education adds value…

Abdulkadiroglu, Atila; Angrist, Joshua D.; Pathak, Parag A.

2011-01-01

188

Assessment of Validity, Reliability and Difficulty Indices for Teacher-Built Physics Exam Questions in First Year High School  

ERIC Educational Resources Information Center

The purpose of the research is to determine high school teachers' skill rate in designing exam questions in physics subject. The statistical population was all of physics exam shits for two semesters in one school year from which a sample of 364 exam shits was drawn using multistage cluster sampling. Two experts assessed the shits and by using…

Jandaghi, Gholamreza

2010-01-01

189

Relationship of the Gesell Developmental Exam and the Bracken Basic Concept Scale to Academic Achievement.  

ERIC Educational Resources Information Center

|Administered the Gesell Development Exam and the Bracken Basic Concept Scale (BBCS) to kindergarten graduates (N=80). Found the BBCS may be a better predictor of achievement from a current state of readiness. (Author/ABL)|

Sterner, Anne G.; McCallum, R. Steve

1988-01-01

190

The impact of general chemistry course structure on students' exam performance, attitudes and problem solving strategies  

NASA Astrophysics Data System (ADS)

Analysis of the effect of course structure, including motivational tools, laboratory and how problem solving was presented in lecture on students' exam performance, attitudes toward the subject of chemistry, and problem solving strategy use. Exam performance indicates that the use of ressurection points on the final exam benefits students' learning, especially for the Middle Bottom quartile of students. Laboratory improves students' understanding when the exams correspond to laboratory content. Attitude differences, as measured by the Attitude toward the subject of chemistry inventory version 2, show some differences and the influence of the level of expertise in graduate student teaching assistants. The use of dimensional analysis to solve stoichiometry problems in lecture leads students to use that process to solve novel tasks in a similiar way, even if it is not efficient or effective. The students' familiarity with the content, as well as the problem solving process, influence how they solve tasks.

Caruthers, Heather Anne

191

Student Learning with Performance-Based, In-Class and Learner-Centered, Online Exams  

Microsoft Academic Search

The purpose of this study was to explore the experience of students with performance-based, in-class and learner-centered, online assessment and the effects of these formats on comprehensive exam scores in an educational psychology course required of participants in a teacher education program. In our quantitative analysis, we investigated the effects of in-class and online exams on undergraduate students' performance on

Katherine Greenberg; Jessica N. Lester; Kathy Evans; Michele Williams; Carolyn Hacker; Olivia Halic

2009-01-01

192

Comparing intentions to use university-provided vs vendor-provided multibiometric authentication in online exams  

Microsoft Academic Search

Purpose – Concerns for information security in e-learning systems have been raised previously. In the pursuit for better authentication approaches, few schools have implemented students' authentication during online exams beyond passwords. This paper aims to assess e-learners' intention to provide multibiometric data and use of multibiometrics during online exams. Design\\/methodology\\/approach – Based on data collected from 163 e-learners from two

Yair Levy; Michelle M. Ramim; Steven M. Furnell; Nathan L. Clarke

2011-01-01

193

Impact of implementing an EMR on physical exam documentation by ambulance personnel  

PubMed Central

Objectives Georgetown University has a student run Emergency Medical Services (EMS) organization with over 100 emergency medical technicians (EMTs). We set out to determine whether implementing an electronic patient care report (ePCR) system was associated with improved physical exam documentation. Methods This study evaluated documentation of the physical exam on prehospital patient care reports (PCRs). An ePCR system was implemented. ePCR documentation was compared to that of the previously used paper PCRs. This study looked retrospectively at 154 PCRs. 77 were hand written PCRs from before the electronic system. The PCRs involved chief complaints that were primarily respiratory, neurologic, or both. 77 ePCRs of matching chief complaint categories were used for comparison. Each chart was reviewed for completion of certain physical exam findings. The mean percentage of documented components from the ePCRs was compared to that of the hand written PCRs. The null hypothesis was that the absolute increase in the mean was not more than 20 percent. The two exclusion criteria were PCRs completed by study investigators after the design of the project and partially or completely missing PCRs. Results The absolute increase in mean physical exam component documentation was 36% (95% CI = 29–43%). A weighted kappa of 0.894 showed very good agreement between chart reviewers. Conclusions This study rejected the null hypothesis that the ePCR system was associated with a mean increase of no more than 20%. It observed increase in physical exam documentation. Limitations of this study included the inability to determine whether documentation of physical exam findings reflected performance of the physical exam, and what components of the ePCR system bundle were responsible for the increase in physical exam component documentation.

Katzer, R.; Barton, D.J.; Adelman, S.; Clark, S.; Seaman, E.L.; Hudson, K.B.

2012-01-01

194

On the Exams of a Multi-Attribute Decision Making Electronic Course  

Microsoft Academic Search

This paper gives brief information about a new electronic course for enhanced learning in making optimal decisions using the\\u000a Multi-Attribute Decision Making paradigm. Emphasis is put on the construction of the exams of this electronic course. In order\\u000a to provide ready to use tests for students’ exams, an algorithm based on a Monte Carlo method was conceived. This algorithm\\u000a and

Cornel Resteanu; Marius Somodi; Marin Andreica

2006-01-01

195

IRT Modeling of Tutor Performance to Predict End-of-Year Exam Scores  

Microsoft Academic Search

Interest in end-of-year accountability exams has increased dramatically since the passing of the No Child Left Behind Act in 2001. With this increased interest comes a desire to use student data collected throughout the year to estimate student proficiency and predict how well they will perform on end-of-year exams. This article uses student performance on the Assistment System, an online

Elizabeth Ayers; Brian Junker

2008-01-01

196

Lack of follow-up exams after failed school vision screenings: an investigation of contributing factors.  

PubMed

Programs to facilitate professional eye exams after failed school vision screenings often are based on the assumption that funding and access to services are major obstacles to care. Despite such programs, many children do not receive professional exams. The purpose of this study was to identify additional barriers to follow-up eye care. School nurses in an urban, midwestern public school district identified elementary school students who had not received follow-up eye exams after failed school vision screenings. Parents of these students were interviewed during the summer to determine financial, logistical, social/family, and perceptual barriers to care. Family issues, parental perceptions of vision problems, and difficulty planning ahead were found to be significant factors. Strategies to increase follow-up compliance and recommendations for overcoming barriers to care were also identified. PMID:16704285

Kimel, Linda S

2006-06-01

197

Effects of exam-room computing on clinician-patient communication  

Microsoft Academic Search

OBJECTIVE: To evaluate the impact of exam-room computers on communication between clinicians and patients.\\u000a \\u000a \\u000a DESIGN AND METHODS: Longitudinal, qualitative study using video-tapes of regularly scheduled visits from 3 points in time: 1 month before, 1\\u000a month after, and 7 months after introduction of computers into the exam room.\\u000a \\u000a \\u000a \\u000a \\u000a SETTING: Primary care medical clinic in a large integrated delivery system.\\u000a \\u000a \\u000a \\u000a \\u000a PARTICIPANTS:

Richard Frankel; Andrea Altschuler; Sheba George; James Kinsman; Holly Jimison; Nan R. Robertson; John Hsu

2005-01-01

198

A systematic review and meta?analysis of randomised controlled trials evaluating the effect of hypnosis on exam anxiety  

Microsoft Academic Search

Exam anxiety affects many students and may lead them to underperform. Hypnosis has been hypothesised as a method of reducing exam anxiety. A systematic review of randomised controlled trials (RCTs) was undertaken to assess whether or not hypnosis reduces exam?related anxiety. Five electronic databases were searched: ERIC; AMED; PsychInfo; Web of Science; MedLine until October 2007. Five small RCTs of

Jennifer Baker; Hannah Ainsworth; Carole Torgerson; David Torgerson

2009-01-01

199

Reviewing for Exams: Do Crossword Puzzles Help in the Success of Student Learning?  

Microsoft Academic Search

The goal of this project was to further our understanding of how students learn. Does re- viewing for exams using certain teaching methods actually enhance students' learning of course material? Through a comparative analysis of two sections of the same class the re- searchers tested to see if using crossword puzzles as a 'fun' review technique actually af- fects students'

Tricia M. Davis; Brooke Shepherd; Tara Zwiefelhofer

200

Quantifying palpation techniques in relation to performance in a clinical prostate exam  

Microsoft Academic Search

This paper seeks to quantify finger palpation techniques in the prostate clinical exam, determine their relationship with performance in detecting abnormalities, and differentiate the tendencies of nurse practitioner students and resident physicians. One issue with the digital rectal examination (DRE) is that performance in detecting abnormalities varies greatly and agreement between examiners is low. The utilization of particular palpation techniques

Ninghuan Wang; Gregory J. Gerling; Reba Moyer Childress; Marcus L. Martin

2010-01-01

201

Operating Characteristics of the Neurobehavioral Cognitive Status Exam Using Neuropsychological Assessment as the Criterion.  

ERIC Educational Resources Information Center

|The performance characteristics of the Neurobehavioral Cognitive Status Exam (NCSE) (R. Kiernan and others, 1987) was studied with 50 outpatients, most with cognitive dysfunction using comprehensive neuropsychological assessment as the criterion. Results suggest that operating characteristics of the NCSE depend on the nature of the sample…

Karzmark, Peter

1997-01-01

202

Facilitating Self-Regulated Learning with Technology: Evidence for Student Motivation and Exam Improvement  

ERIC Educational Resources Information Center

|The authors examined the extent to which student access to the MyGrade application in Blackboard may facilitate motivation and exam improvement via grade monitoring. In support of self-regulated learning and feedback principles, students indicated that the MyGrade application helped them better monitor their course performance and increased their…

Barber, Larissa K.; Bagsby, Patricia G.; Grawitch, Matthew J.; Buerck, John P.

2011-01-01

203

The Timing of Online Lecture Slide Availability and Its Effect on Attendance, Participation, and Exam Performance  

ERIC Educational Resources Information Center

The use of PowerPoint slides has become an almost ubiquitous practice in university classrooms, however little research has examined whether the timing of lecture slide availability to students (either before or after lecture) affects classroom behaviour or exam performance. Using a 2 (slide availability condition) x 2 (course type)…

Babb, Kimberley A.; Ross, Craig

2009-01-01

204

Retrieving Essential Material at the End of Lectures Improves Performance on Statistics Exams  

ERIC Educational Resources Information Center

At the end of each lecture in a statistics for psychology course, students answered a small set of questions that required them to retrieve information from the same day's lecture. These exercises constituted retrieval practice for lecture material subsequently tested on four exams throughout the course. This technique is called the PUREMEM…

Lyle, Keith B.; Crawford, Nicole A.

2011-01-01

205

Want to Reduce Guessing and Cheating While Making Students Happier? Give More Exams!  

ERIC Educational Resources Information Center

|It is almost universally agreed that more frequent formative assessment (homework, clicker questions, practice tests, etc.) leads to better student performance and generally better course evaluations. There is, however, only anecdotal evidence that the same would be true for more frequent summative assessment (exams). There maybe many arguments…

Laverty, James T.; Bauer, Wolfgang; Kortemeyer, Gerd; Westfall, Gary

2012-01-01

206

An Innovative Excel Application to Improve Exam Reliability in Marketing Courses  

ERIC Educational Resources Information Center

Measures of survey reliability are commonly addressed in marketing courses. One statistic of reliability is "Cronbach's alpha." This paper presents an application of survey reliability as a reflexive application of multiple-choice exam validation. The application provides an interactive decision support system that incorporates survey item…

Keller, Christopher M.; Kros, John F.

2011-01-01

207

The Forum: Helping Students Respond Meaningfully to Poetry as Well as Pass Exams.  

ERIC Educational Resources Information Center

Describes an action research investigation into overcoming a tension felt in a particular approach to teaching literature. Wishes to make studying literature a meaningful experience for students and have them pass exams. Uses the idea of the forum, as described by J. Bruner, as a way of holding these two thrusts together. Evaluates effectiveness…

Trelawny-Ross, David

1998-01-01

208

Hidden Norms in Assessment of Students' Exam Essays in Norwegian Upper Secondary Schools  

ERIC Educational Resources Information Center

The article presents the cultural background, methodological design, theory, and results of a comprehensive research project where the doxa and textual norms of the judges at the national writing exam in Norway were studied. The background of the study is the quite comprehensive reforms in Norway of the way writing is taught in the upper secondary…

Berge, Kjell Lars

2002-01-01

209

Predicting Minority and Majority Medical Student Performance on the National Board Exams.  

National Technical Information Service (NTIS)

This report is one of a series of reports which resulted from a study dealing with medical school admissions and performance as measured by National Board Exam scores. The report presents problems of and a means for predicting performance of minority and ...

J. E. Rolph A. P. Williams A. L. Laniear W. D. Cooper

1978-01-01

210

Predictive accuracy of the HESI Exit Exam: a follow-up study.  

PubMed

This follow-up study compares the accuracy of the HESI Exit Exam (E) in predicting NCLEX success for the academic years 1996-97 (N = 2,809) and 1997-98 (N = 3,752) and is designed to replicate the study of Lauchner et al and to implement recommendations suggested by the authors for further research. The E was again found to be highly predictive of licensure success, regardless of the type of program tested: associate degree, baccalaureate degree, diploma, or practical nurse programs. The predictive accuracy of the E was 98.27% for the RN group and 99.34% for the PN group. The E was again found to be significantly more accurate when administration of the exam was monitored than when it was not monitored (P = 0.05). In the 1997-98 academic year, NCLEX success of low-scoring E students was examined. Significantly more (P = 0.001) of the low-scoring E students failed the licensure exam than high-scoring E students. However, significantly fewer (p = 0.05) of these low-scoring E students failed the licensing exam when the E was used as a benchmark or guide for remediation. PMID:18791385

Newman, Mary; Britt, Robin B; Lauchner, Kathryn A

211

Passing the Leadership Test: Strategies for Success on the Leadership Licensure Exam. Second Edition  

ERIC Educational Resources Information Center

"Passing the Leadership Test: Strategies for Success on the Leadership Licensure Exam" is a study guide for the School Leaders Licensure Examination (SLLA.) The book presents a comprehensive, practical guide for preparing for the SLLA. It is divided into two sections: basic principles of test preparation and the ISLLC standards with implications…

Jones, Leslie; Kennedy, Eugene

2012-01-01

212

Improvements to an Electrical Engineering Skill Audit Exam to Improve Student Mastery of Core EE Concepts  

ERIC Educational Resources Information Center

The San Jose State University Electrical Engineering (EE) Department implemented a skill audit exam for graduating seniors in 1999 with the purpose of assessing the teaching and the students' mastery of core concepts in EE. However, consistent low scores for the first years in which the test was administered suggested that students had little…

Parent, D. W.

2011-01-01

213

Making Sense of Exit Exam Policies: A Phenomenological Study of English Language Development Teachers  

ERIC Educational Resources Information Center

|There is a lack of understanding regarding how sensemaking could be incorporated into a professional development program to improve teacher quality and student achievement. The lived experiences of high school English language development teachers as they interpret English language development and one state's high school exit exam instructional…

Forrest, Scott N.

2010-01-01

214

Single-Voxel Proton Brain Spectroscopy Exam (PROBEISV) in Patients with Primary Brain Tumors  

Microsoft Academic Search

OBJECTIVE. The Single-Voxel Proton Brain Exam (PROBEJSV) is an automated MR spectroscopic technique. The purpose of this study was to investigate the use of PROBEJSV as a diagnostic tool in patients with primary brain tumors and to compare our findings with the known information obtained from conventional nonautomated MR spectroscopic techniques. SUBJECTS AND METHODS. We used PROBEJSV to image 10

P. H. Lai; J. S. Smith; F. Lazeyras

215

Reflections on Teaching Mathematics in an Exam-Driven School: An Autoethnography  

Microsoft Academic Search

Concerns over how I changed my own teaching style during a year of mathematics teaching gave rise to the content of this paper. I will disc uss how the influence of the culture of an exam-driven school and the impact of examinations enacted on me, and my teaching practice. In this paper I tell my story using autoe thnography. This

Fiona Hagan

216

Learning by Exams: The Impact of Two-Stage Cooperative Tests  

ERIC Educational Resources Information Center

|Decades of research have documented the positive impacts of cooperative learning on student success: increased learning, retention through graduation, improved critical thinking, and intrinsic motivation. One cooperative teaching technique, however, has received relatively little attention. In the two-stage cooperative, group, or "pyramid" exam

Zipp, John F.

2007-01-01

217

I Knew It Cold Before the Exam: A Test of the Anxiety-Blockage Hypothesis  

Microsoft Academic Search

Anxiety arousal is associated with decrements in academic performance. Almost without exception, an interference interpretation of these findings has been advanced, in which anxiety is said to temporarily disrupt otherwise normal intellectual functioning. In this study, we investigated the hypothesis that anxiety inhibits test performance by temporarily blocking previously learned responses. Following a midterm exam in an introductory psychology course,

Martin V. Covington; Carol L. Omelich

1987-01-01

218

Multiple-Choice Exams: An Obstacle for Higher-Level Thinking in Introductory Science Classes  

ERIC Educational Resources Information Center

|Learning science requires higher-level (critical) thinking skills that need to be practiced in science classes. This study tested the effect of exam format on critical-thinking skills. Multiple-choice (MC) testing is common in introductory science courses, and students in these classes tend to associate memorization with MC questions and may not…

Stanger-Hall, Kathrin F.

2012-01-01

219

Validation of the Face Name Associative Memory Exam in cognitively normal older individuals  

Microsoft Academic Search

The recently developed Face Name Associative Memory Exam (FNAME), a challenging paired associative learning task, shows promise in detecting the subtle cognitive changes characteristic of preclinical Alzheimer's disease. In this study, we evaluated the validity and reliability of the FNAME in 210 cognitively normal older individuals (58–90 years of age). Construct validity of the measure was assessed by principal components

Rebecca E. Amariglio; Katherine Frishe; Lauren E. Olson; Lauren P. Wadsworth; Natacha Lorius; Reisa A. Sperling; Dorene M. Rentz

2012-01-01

220

Retrieving Essential Material at the End of Lectures Improves Performance on Statistics Exams  

ERIC Educational Resources Information Center

|At the end of each lecture in a statistics for psychology course, students answered a small set of questions that required them to retrieve information from the same day's lecture. These exercises constituted retrieval practice for lecture material subsequently tested on four exams throughout the course. This technique is called the PUREMEM…

Lyle, Keith B.; Crawford, Nicole A.

2011-01-01

221

The Validity Argument of a Web-Based Spanish Listening Exam: Test Usefulness Evaluation  

Microsoft Academic Search

This study describes research used for supporting a validity argument for a new Spanish Listening Exam, whose scores are intended to place examinees into appropriate levels of university Spanish classes. This study contributes to the field of argument-based approaches to language assessment by implementing Bachman's (2005) assessment use argument framework. The validity argument is supported by research providing backing for

Cristina Pardo-Ballester

2010-01-01

222

Predicting success in college on the basis of the results of unified national exam  

Microsoft Academic Search

This paper presents the results of econometric study on predicting first-year grade point average and dropout probability with national examination (EGE) results at the bachelor program in Economics in the Higher School of Economics. The use of a sum of four exams — math, social studies, Russian language and foreign language — shows worse fitting than a sum of three

Oleg Poldin

2011-01-01

223

Improved early stroke detection: Wavelet-based perception enhancement of computerized tomography exams  

Microsoft Academic Search

Nonenhanced computerized tomography (CT) exams were used to detect acute stroke by notification of hypodense area. Infarction perception improvement by data denoising and local contrast enhancement in multi-scale domain was proposed. The wavelet-based image processing method enhanced the subtlest signs of hypodensity, which were often invisible in standard CT scan review. Thus improved detection efficiency of perceptual ischemic changes was

A. Przelaskowski; K. Sklinda; P. Bargie?; J. Walecki; M. Biesiadko-Matuszewska; M. Kazubek

2007-01-01

224

Rethinking Exams and Letter Grades: How Much Can Teachers Delegate to Students?  

ERIC Educational Resources Information Center

|In this article we report a 3-yr study of a large-enrollment Cell Biology course focused on developing student skill in scientific reasoning and data interpretation. Specifically, the study tested the hypothesis that converting the role of exams from summative grading devices to formative tools would increase student success in acquiring those…

Kitchen, Elizabeth; King, Summer H.; Robison, Diane F.; Sudweeks, Richard R.; Bradshaw, William S.; Bell, John D.

2006-01-01

225

The Relationship of Academic Self-Efficacy to Class Participation and Exam Performance  

ERIC Educational Resources Information Center

|This study examined the relationship of academic self-efficacy to engagement in class discussion and performance on major course exams among students (N = 165) in an undergraduate human development course. Cluster analysis was used to identify three levels of academic self-efficacy: high (n = 34), medium (n = 91), and low (n = 40). Results…

Galyon, Charles E.; Blondin, Carolyn A.; Yaw, Jared S.; Nalls, Meagan L.; Williams, Robert L.

2012-01-01

226

Circumscribed Agency: The Relevance of Standardized College Entrance Exams for Low SES High School Students  

ERIC Educational Resources Information Center

The authors interviewed Black and Latino students from five high-poverty high schools as they attempted to make the transition into college. Their ability to exert individual agency with regard to their entrance exams and their college transition was circumscribed by the messages and behavioral norms that dominated their low-performing high school…

Deil-Amen, Regina; Tevis, Tenisha LaShawn

2010-01-01

227

Comparing Intentions to Use University-Provided vs Vendor-Provided Multibiometric Authentication in Online Exams  

ERIC Educational Resources Information Center

|Purpose: Concerns for information security in e-learning systems have been raised previously. In the pursuit for better authentication approaches, few schools have implemented students' authentication during online exams beyond passwords. This paper aims to assess e-learners' intention to provide multibiometric data and use of multibiometrics…

Levy, Yair; Ramim, Michelle M.; Furnell, Steven M.; Clarke, Nathan L.

2011-01-01

228

An Investigation of Adult Attachment and Coping with Exam-Related Stress  

ERIC Educational Resources Information Center

|Students differ in how they cope with and manage stress associated with university life. This study investigates associations between adult attachment and coping strategies for exam-related stress. Fifty-seven students at a university in the north of England completed online questionnaires to assess attachment anxiety and avoidance, helpful and…

Berry, Katherine; Kingswell, Sarah

2012-01-01

229

Improvements to an Electrical Engineering Skill Audit Exam to Improve Student Mastery of Core EE Concepts  

ERIC Educational Resources Information Center

|The San Jose State University Electrical Engineering (EE) Department implemented a skill audit exam for graduating seniors in 1999 with the purpose of assessing the teaching and the students' mastery of core concepts in EE. However, consistent low scores for the first years in which the test was administered suggested that students had little…

Parent, D. W.

2011-01-01

230

Assessment of Learning Gains Associated with Independent Exam Analysis in Introductory Biology  

PubMed Central

This study evaluates the impact of an independent postmidterm question analysis exercise on the ability of students to answer subsequent exam questions on the same topics. It was conducted in three sections (?400 students/section) of introductory biology. Graded midterms were returned electronically, and each student was assigned a subset of questions answered incorrectly by more than 40% of the class to analyze as homework. The majority of questions were at Bloom's application/analysis level; this exercise therefore emphasized learning at these higher levels of cognition. Students in each section answered final exam questions matched by topic to all homework questions, providing a within-class control group for each question. The percentage of students who correctly answered the matched final exam question was significantly higher (p < 0.05) in the Topic Analysis versus Control Analysis group for seven of 19 questions. We identified two factors that influenced activity effectiveness: 1) similarity in topic emphasis of the midterm–final exam question pair and 2) quality of the completed analysis homework. Our data suggest that this easy-to-implement exercise will be useful in large-enrollment classes to help students develop self-regulated learning skills. Additional strategies to help introductory students gain a broader understanding of topic areas are discussed.

William, Adrienne E.; Aguilar-Roca, Nancy M.; Tsai, Michelle; Wong, Matthew; Beaupre, Marin Moravec; O'Dowd, Diane K.

2011-01-01

231

Effect of Curriculum Change on Exam Performance in a 4-Week Psychiatry Clerkship  

ERIC Educational Resources Information Center

|Objective: The authors investigated whether curriculum change could produce improved performance, despite a reduction in clerkship length from 8 to 4 weeks. Methods: The exam performance of medical students completing a 4-week clerkship in psychiatry was compared to national data from the National Board of Medical Examiners' Psychiatry Subject…

Niedermier, Julie; Way, David; Kasick, David; Kuperschmidt, Rada

2010-01-01

232

Noncredible Effort during Pediatric Neuropsychological Exam: A Case Series and Literature Review  

Microsoft Academic Search

Neuropsychological test interpretation rests upon the assumption that the examinee has exerted full effort. If an individual provides inadequate effort during exam, the resulting data will be invalid and represent an underestimate of the person's true abilities. Although youth have been assumed historically to be less capable of deception than adults, acts of deception in childhood are not uncommon, even

Michael W. Kirkwood; John W. Kirk; Robert Z. Blaha; Pamela Wilson

2010-01-01

233

Practice (Rather than Graded) Quizzes, with Answers, May Increase Introductory Psychology Exam Performance  

ERIC Educational Resources Information Center

The authors investigated whether practice (or graded) quizzes, with or without provision of correct answers, would be more beneficial for introductory psychology exam performance. In six sections (N = 249) of an introductory psychology class, taught by the same professor, different approaches to quizzes were applied across sections to measure…

Wickline, Virginia B.; Spektor, Valeriya G.

2011-01-01

234

An Innovative Excel Application to Improve Exam Reliability in Marketing Courses  

ERIC Educational Resources Information Center

|Measures of survey reliability are commonly addressed in marketing courses. One statistic of reliability is "Cronbach's alpha." This paper presents an application of survey reliability as a reflexive application of multiple-choice exam validation. The application provides an interactive decision support system that incorporates survey item…

Keller, Christopher M.; Kros, John F.

2011-01-01

235

American Diploma Project (ADP) End-of-Course Exams: 2010 Annual Report  

ERIC Educational Resources Information Center

|To assess the raised expectations of college and career readiness for all students, a group of American Diploma Project (ADP) Network states formed the ADP Assessment Consortium in 2005. The Consortium created Algebra I and II end-of-course exams, based in large part on Achieve's ADP mathematics benchmarks, which would provide an honest…

Achieve, Inc., 2010

2010-01-01

236

Outcomes Assessment: An Examination of the ETS Major Field Test and the Comprehensive Business Exam  

ERIC Educational Resources Information Center

|This study is the first to examine student performance differences between the major field test in business (MFTB) and the comprehensive business exam (CBE). Results reveal students performed at a statistically significant 50.8 percentile ranking on the CBE compared to a 38.0 percentile ranking on the MFTB. Additionally, this study finds that…

Hahn, William; Bowlin, Lyle L.; Welch, Timothy

2012-01-01

237

Individual Accountability in Cooperative Learning Groups at the College Level: Differential Effects on High, Average, and Low Exam Performers  

Microsoft Academic Search

Over a three-semester period in a large undergraduate human development course, students were assigned to 5–7 member groups to work together in preparing for an exam in one of the five content units in the course. Their exam performance was tracked over three units: a baseline unit in which students worked only individually, a unit in which they worked in

Robert L. Williams; Erin Carroll; Briana Hautau

2005-01-01

238

So Many Choices, So Little Time: Strategies for Understanding and Taking Multiple-Choice Exams in History  

ERIC Educational Resources Information Center

|Learning as much as possible about what to expect and how best to select among response choices enables students to improve their scores so as to reflect more fully their knowledge and abilities, whether taking the SAT, ACT, AP history exams, multiple-choice exams in college courses, the GRE, or any other standardized examinations that include…

Blackey, Robert

2009-01-01

239

Finite element modelling of the glenohumeral capsule can help assess the tested region during a clinical exam  

Microsoft Academic Search

The objective of this research was to examine the efficacy of evaluating the region of the glenohumeral capsule being tested by clinical exams for shoulder instability using finite element (FE) models of the glenohumeral joint. Specifically, the regions of high capsule strain produced by glenohumeral joint positions commonly used during a clinical exam were identified. Kinematics that simulated a simple

Benjamin J. Ellis; Nicholas J. Drury; Susan M. Moore; Patrick J. McMahon; Jeffrey A. Weiss; Richard E. Debski

2010-01-01

240

What is the utility of the Focused Assessment with Sonography in Trauma (FAST) exam in penetrating torso trauma?  

Microsoft Academic Search

Study objectiveA recent Cochrane Review has demonstrated that emergency ultrasonography decreases the amount of computerised tomographic scans in blunt abdominal trauma.13 However, there is no systematic review that has evaluated the utility of the Focused Assessment with Sonography for Trauma (FAST) exam in penetrating torso trauma. We systematically reviewed the medical literature for the utility of the FAST exam to

Antonia C. Quinn; Richard Sinert

2011-01-01

241

Final Exam.  

ERIC Educational Resources Information Center

|Explains the use of a maintenance-management assessment process that educational facility managers can use to improve facility conditions and to provide evidence for future capital investments in maintenance management. Discusses questions a maintenance-management audit can answer and describes how to analyze the data to gain maximum…

Coullahan, Richard

1998-01-01

242

A study of the usefulness of the HESI Exit Exam in predicting NCLEX-RN failure.  

PubMed

Schools of nursing across the country are implementing progression policies that prohibit students from graduating or from taking the nursing licensure examination, sometimes based solely on a single predictive test score. In addition, little empirical evidence exists that supports progression policies as effective in increasing a school's NCLEX-RN pass rates. This article reports on a study conducted when one school did not achieve the results they expected after implementing a progression policy. With use of logistic regression, diagnostic indexes, and other methods, reasons for the disparity between expected and observed NCLEX-RN pass rates were examined. Results revealed that the Health Education Systems, Inc. (HESI) Exit Exam was not able to accurately predict NCLEX-RN outcomes for graduates and, further, that progression policies that allow retest after retest so as to achieve a minimum score on the HESI Exit Exam are not supported empirically. Conclusions and suggestions for schools using or considering progression policies are provided. PMID:18468292

Spurlock, Darrell R; Hunt, Linda A

2008-04-01

243

How Adequate is Digital Rectal Exam for Prostate Cancer Screening at Colonoscopy? Can Adequacy be Improved?  

Microsoft Academic Search

Purpose Screening by digital rectal exam (DRE) has been advocated as a means of detecting early-stage prostate cancer. We sought\\u000a to determine the adequacy of prostate palpation at DRE at colonoscopy, and to devise a method of improving adequacy when the\\u000a gland is incompletely felt. Materials and Methods Adequacy of prostate palpation in the left lateral position was prospectively assessed

John B. Marshall

2008-01-01

244

Spatio-temporal registration of cardiac perfusion MRI exams using high-dimensional mutual information  

Microsoft Academic Search

Compensating for cardio-thoracic motion artifacts in contrast-enhanced cardiac perfusion MRI (p-MRI) sequences is a key issue for the quantitative assessment of myocardial iscæmia. The classical paradigm consists of registering each sequence frame on some reference using an intensity-based matching criterion. In this paper, we present a novel unsupervised method for the groupwise registration of cardiac p-MRI exams based on mutual

Sameh Hamrouni; Nicolas Rougon; F. Pre?teux

2010-01-01

245

Establishing Individual Accountability for Learning in an Exam-less, Group Project Course  

Microsoft Academic Search

We work toward a process model to establish individual accountability for learning in an exam-less, group-project course using an evolutionary approach and vertical slicing. We allow students to evolve into self-directed, cooperative learners over the duration of the three courses that comprise our Computer Science Engineering Sequence and then evaluate their learning using a group project. The first course is

Paul Stanton; Duane Fairfax

246

Algorithmic, LOCS and HOCS (chemistry) exam questions: performance and attitudes of college students  

Microsoft Academic Search

The performance of freshmen biology and physics-mathematics majors and chemistry majors as well as pre- and in-service chemistry teachers in two Israeli universities on algorithmic (ALG), lower-order cognitive skills (LOCS), and higher-order cognitive skills (HOCS) chemistry exam questions were studied. The driving force for the study was an interest in moving science and chemistry instruction from an algorithmic and factual

Uri Zoller

2002-01-01

247

Benefiting from Multiple?Choice Exams: The positive impact of answer switching  

Microsoft Academic Search

The extent and benefit of answer switching when completing multiple?choice exams was investigated in an undergraduate course (n = 1,152) and a postgraduate course (n = 1,624). Answer switching was identified in 1.7% and 2.4% of cases, respectively. In both samples, more than half the participants changed at least one answer and, of these, approximately 50% increased their test score

Lee Di Milia

2007-01-01

248

Assessing high-level scientific reasoning in a physics exam: Pipe-dream or reality?  

NASA Astrophysics Data System (ADS)

What do we want students to be able to do when they have finished their introductory physics course? In addition to learning the physics content, we want students to learn to think like physicists. We want students to develop specific scientific reasoning abilities that are the hall-mark of scientific thinking. These include, analyzing and interpreting experimental data, designing an experiment to test different hypotheses, identifying assumptions in a physical model amongst many others. Physics courses such as the Investigative Science Learning Environment (ISLE) have been developed to focus specifically on developing students' scientific reasoning abilities. Research has shown that ISLE is successful in achieving its goal. We would like our assessments to directly reflect our learning goals for our students. In order to measure higher-level scientific reasoning, we can, for example, require students to participate in a laboratory practical exam in which they have to engage in experimental design and analysis. However, this assessment method could become very difficult to administer and grade in a large-enrollment class. Is it possible to assess scientific thinking abilities of students using traditional formats such as paper and pencil exams? In this talk I will present some of our latest ideas about how to re-design traditional exam questions to measure a range of scientific reasoning abilities.

Brookes, David

2012-02-01

249

Advanced Placement[R] Exam-Taking and Performance: Relationships with First-Year Subject Area College Grades. Research Report 2011-4  

ERIC Educational Resources Information Center

The purpose of this study was to examine the effects of Advanced Placement[R] (AP[R]) exam participation and performance on college grades for courses taken in the same subject area as students' AP Exam(s). Students' first-year college subject area grade point averages (SGPAs) were examined in nine subject areas: mathematics, computer science,…

Patterson, Brian F.; Packman, Sheryl; Kobrin, Jennifer L.

2011-01-01

250

A Beta Test of a Computer-Assisted Instruction Module in Improving Dermatologic Physical Exam Skills in Third Year Medical Students  

Microsoft Academic Search

Introduction: Third year medical students at UMass. Medical School have only a brief exposure to dermatology during their first two years, resulting in limited skills in dermatology physical diagnosis. While other skills of the physical exam – e.g. the cardiac exam, the abdominal exam – are taught in the first 2 years and are applied and refined with repetition and

Konstantinos Deligiannidis

2004-01-01

251

Advanced Placement[R] Exam-Taking and Performance: Relationships with First-Year Subject Area College Grades. Research Report 2011-4  

ERIC Educational Resources Information Center

|The purpose of this study was to examine the effects of Advanced Placement[R] (AP[R]) exam participation and performance on college grades for courses taken in the same subject area as students' AP Exam(s). Students' first-year college subject area grade point averages (SGPAs) were examined in nine subject areas: mathematics, computer science,…

Patterson, Brian F.; Packman, Sheryl; Kobrin, Jennifer L.

2011-01-01

252

Development of a measure of student self-evaluation of physics exam performance  

NASA Astrophysics Data System (ADS)

The central purpose of this study was to provide preliminary evidence of the reliability and validity of the SEVSI - P (Self- evaluation scaled instrument - physics). This instrument, designed to measure student self-evaluation of physics exam performance, was developed in congruence with social cognitive theory. Self-evaluation in this study is defined to consist of two of the three subprocesses of self-regulation: self-observation and judgmental process. As such, the SEVSI - P consists of two subscales, one measuring the frequency and types of self-observations made during a physics exam and one measuring the frequency and types of judgmental comparisons made after an exam. Data from 621 completed surveys, voluntarily taken by first semester algebra/trigonometry based physics students at six Midwestern universities and one Southern university, were analyzed for reliability and factorial validity. Cronbach alphas of .71 and .83 for the self-observation and judgment subscales, respectively, indicate acceptable reliability for the instrument. Confirmatory factor analysis indicates the acceptability of the hypothesis that the data analyzed could have indeed been obtained from the proposed two factor model (self-observation and judgment). The results of this confirmatory factor analysis provide preliminary construct validity for this instrument. A number of theoretically related items were included on the SEVSI - P form to elicity information about the use of goals and pre-planned strategies, actions taken in response to previous poor performances, and emotional responses to performance. A correlational analysis of these items along with the self-observation and judgment subscale scores provided a limited degree of convergent validity for the two subscales. Analyses of variance were done to determine the presence of differences in scoring patterns based on gender or reported ethnic origin. These results indicate slightly higher judgment subscale scores for women and members of minority groups. The implications of these differences are suggested as warranting future research. Future uses of the SEVSI - P include classroom use to assist students self-evaluate their exam performances in order to increase their achievement. Future research using the SEVSI - P to determine the causal relationships between self-evaluation, actual achievement, and other social cognitive constructs such as self-efficacy are suggested.

Hagedorn, Eric Anthony

253

The Effect of Seat Location on Exam Grades and Student Perceptions in an Introductory Biology Class  

NSDL National Science Digital Library

The effect of seat location on learning has received surprisingly little attention in education literature (Weinstein 1979). Classroom experience and education literature suggest that students who sit in the front of a lecture hall are more likely to get As than students in the back (Benedict and Hoag 2004; Holliman and Anderson 1986; Pedersen 1994). The explanation may seem obvious--front-row students get better grades because they are better students. An experiment shows that sitting in the back of a lecture hall rather than the front does not have a detrimental effect on student performance on exams.

Taper, Mark L.; Kalinowki, Steven

2007-01-01

254

Validation of the Face Name Associative Memory Exam in Cognitively Normal Older Individuals  

PubMed Central

The recently developed Face Name Associative Memory Exam (FNAME), a challenging paired associative learning task, shows promise in detecting the subtle cognitive changes characteristic of preclinical Alzheimer’s disease. In this study, we evaluated the validity and reliability of the FNAME in 210 cognitively normal older individuals (58-90 years of age). Construct validity of the measure was assessed by principal components analysis, which revealed two independent factors. Correlations between the FNAME subtests and another episodic memory test were significant. The results indicated strong test-retest reliability in a subsample (n = 41). Normative data stratified by age were also generated.

Amariglio, Rebecca E.; Frishe, Katherine; Olson, Lauren E.; Wadsworth, Lauren P.; Lorius, Natacha; Sperling, Reisa A.; Rentz, Dorene M.

2012-01-01

255

Validation of the Face Name Associative Memory Exam in cognitively normal older individuals.  

PubMed

The recently developed Face Name Associative Memory Exam (FNAME), a challenging paired associative learning task, shows promise in detecting the subtle cognitive changes characteristic of preclinical Alzheimer's disease. In this study, we evaluated the validity and reliability of the FNAME in 210 cognitively normal older individuals (58-90 years of age). Construct validity of the measure was assessed by principal components analysis, which revealed two independent factors. Correlations between the FNAME subtests and another episodic memory test were significant. The results indicated strong test-retest reliability in a subsample (n = 41). Normative data stratified by age were also generated. PMID:22765048

Amariglio, Rebecca E; Frishe, Katherine; Olson, Lauren E; Wadsworth, Lauren P; Lorius, Natacha; Sperling, Reisa A; Rentz, Dorene M

2012-03-09

256

Absorbed doses on patients undergoing tomographic exams for pre-surgery planning of dental implants.  

PubMed

The thermoluminescent (TL) dosimetry was used to measure entrance skin absorbed doses at anatomical points close to critical organs of patients undergoing tomographic techniques as part of a pre-surgery planning for dental implants. The dosimetric procedure was applied in 19 patients, and absorbed doses could be measured with a combined uncertainty down to 14%. Results showed that patient doses may be increased by a factor of 20 in the helical computed tomography compared to panoramic and spiral conventional tomographic exams. PMID:17398103

Zenóbio, M A F; da Silva, T A

2007-02-06

257

DICOM structured report to track patient's radiation dose to organs from abdominal CT exam  

NASA Astrophysics Data System (ADS)

The dramatic increase of diagnostic imaging capabilities over the past decade has contributed to increased radiation exposure to patient populations. Several factors have contributed to the increase in imaging procedures: wider availability of imaging modalities, increase in technical capabilities, rise in demand by patients and clinicians, favorable reimbursement, and lack of guidelines to control utilization. The primary focus of this research is to provide in depth information about radiation doses that patients receive as a result of CT exams, with the initial investigation involving abdominal CT exams. Current dose measurement methods (i.e. CTDIvol Computed Tomography Dose Index) do not provide direct information about a patient's organ dose. We have developed a method to determine CTDIvol normalized organ doses using a set of organ specific exponential regression equations. These exponential equations along with measured CTDIvol are used to calculate organ dose estimates from abdominal CT scans for eight different patient models. For each patient, organ dose and CTDIvol were estimated for an abdominal CT scan. We then modified the DICOM Radiation Dose Structured Report (RDSR) to store the pertinent patient information on radiation dose to their abdominal organs.

Morioka, Craig; Turner, Adam; McNitt-Gray, Michael; Zankl, Maria; Meng, Frank; El-Saden, Suzie

2011-03-01

258

Employer violated ADA by ordering exam for HIV-positive food handler.  

PubMed

A Federal judge in Kalamazoo, MI ordered Prevo's Family Markets to pay former produce clerk, Steven Sharp, $45,000 in punitive damages and $10,000 in compensatory damages. Prevo's Family Markets claimed that Sharp, who is HIV-positive, was a health risk because he used a knife to cut boxes and trim produce. Sharp refused to take a physical exam to determine if he posed a health threat. After Sharp was placed on involuntary leave with pay, he filed charges with the Michigan Department of Civil Rights. The judge ruled that as a produce clerk, Sharp posed no health threat to co-workers or customers, and that Prevo's Family Markets could not make continued employment hinge on a mandatory doctor visit. The judge ruled that the market violated the Americans with Disabilities Act (ADA) when it fired Sharp, and rejected the market's attempts to involve Sharp's sexual orientation into the case. PMID:11364077

1996-11-01

259

Online case studies: HESI Exit Exam scores and NCLEX-RN outcomes.  

PubMed

Using data obtained for the 7th HESI Exit Exam (E(2)) validity study, the value of Elsevier's online case studies in assisting students to prepare for the E(2) and the National Council Licensure Examination for Registered Nurses (NCLEX-RN) was investigated. Of the 137 randomly selected schools of nursing, 72 (52.55%) participated in the study. The student sample consisted of 4,383 students from associate degree, baccalaureate, and diploma schools of nursing. Findings indicated that the mean E(2) score and the NCLEX-RN pass rate were significantly higher for students attending schools that used the case studies than they were for students attending schools that did not use the case studies. Descriptive data indicated that the case studies were most often used for remediation and examination preparation. PMID:23566500

Young, Anne; Rose, Gloria; Willson, Pamela

260

Receiving a forensic medical exam without participating in the criminal justice process: what will it mean?  

PubMed

As a result of the Violence Against Women Act (VAWA) Reauthorization of 2005, state governments must develop processes by which victims of sexual assault can receive a forensic medical exam without being required to cooperate with law enforcement, or participate in the criminal justice system. The benefits and barriers of five different models are reviewed: nonreport evidence collection, anonymous report, confidential mandated reporting, victimless prosecution or nonparticipation approach, and the military model of restricted and unrestricted reporting. As a result of VAWA mandates, hospitals and forensic nursing programs are confronted with additional issues related to evidence handling, transfer, and storage. Implications: Forensic nurses will play an important role in bringing their individual jurisdictions into compliance with the VAWA mandates. PMID:20507420

Price, Bonnie

2010-01-01

261

Brief report: the Autism Mental Status Examination: development of a brief autism-focused exam.  

PubMed

The Autism Mental Status Examination (AMSE) described here is an eight-item observational assessment that prompts the observation and recording of signs and symptoms of autism spectrum disorders (ASD). The AMSE is intended to take place seamlessly in the context of a clinical exam and produces a total score. Subjects were independently administered the AMSE and the Autism Diagnostic Observation Schedule (ADOS). The ADOS was used to estimate the most effective criterion cut-off on the AMSE. A score of five or greater produced excellent sensitivity and good specificity in a high-risk sample. Internal consistency was acceptable and inter-rater reliability was good to excellent. Preliminary findings indicate excellent classification accuracy and suggest that the AMSE provides a rapid and reliable observational assessment in a high-risk population. PMID:21519955

Grodberg, David; Weinger, Paige M; Kolevzon, Alexander; Soorya, Latha; Buxbaum, Joseph D

2012-03-01

262

Academic exam stress and depressive mood are associated with reductions in exhaled nitric oxide in healthy individuals.  

PubMed

Nitric oxide (NO) has beneficial effects on cardiovascular and immune health. Stress and depression have been linked to a reduction in serum NO. In this study, we examined the effect of academic exam stress on the fraction of NO in exhaled air (FeNO) and spirometric lung function in 41 healthy college students. Participants completed assessments at mid-semester as well as in the early and late phase of an academic exam period. Negative affect, depressive mood, and salivary cortisol were elevated during exams, whereas FeNO and lung function decreased. Higher depressive mood was associated with lower FeNO, whereas higher negative affect was associated higher FeNO across time. These findings provide initial evidence that depression and prolonged stress can alter FeNO and lung function in healthy individuals, which could have adverse consequences for cardiovascular, airway, and immune health. PMID:23410759

Trueba, Ana F; Smith, Noelle B; Auchus, Richard J; Ritz, Thomas

2013-02-11

263

Comparing NET and ERI standardized exam scores between baccalaureate graduates who pass or fail the NCLEX-RN.  

PubMed

In the United States, nursing programs are commonly evaluated by their graduates success on the National Council Licensure Examination for Registered Nurses (NCLEX-RN). The purpose of this paper is to describe a change in NCLEX-RN success rates following the addition of standardized exams throughout our program's curriculum, and to compare these exam scores between graduates who pass NCLEX-RN and those who do not. Our results indicate an 8.5% change (p < 0.000) in the NCLEX-RN pass rate from our previous 5-year mean pass rate, and significant differences in standardized test scores for those who pass the NCLEX-RN compared to those who do not (p < 0.03). We conclude that our selected standardized exam scores are able to significantly identify graduates who are more likely to pass NCLEX-RN than not. PMID:18384274

Bondmass, Mary D; Moonie, Sheniz; Kowalski, Susan

2008-04-01

264

Integration of an Objective Structured Clinical Examination (OSCE) into the Dental Preliminary Exams  

PubMed Central

Introduction: In the pre-clinical phase of the study of dentistry at the University of Greifswald, the course “Early Patient Contact (EPC)” is conducted within the framework of Community Medicine/Dentistry. The course is based on three pillars: the patient visiting program, special problem-oriented seminars, and communication training for doctors. The essential goal consists of providing students with real patient contact right at the beginning of their study of dentistry, thus making the study of dentistry patient-based very early on. Students are trained in taking comprehensive anamneses and recording clinical findings. Methods: Within the framework of the dental preliminary exams, the course is evaluated using an OSCE on a standardized patient. Furthermore, the added value of an additional training unit (conducting anamnesis and clinical examination) in preparation for the OSCE was evaluated. The exam results of a group without training (control group) were compared with those of a group with training (intervention group). Results: The intervention group performed significantly better than the control on the following items: the total number of points achieved on the OSCE early patient contact, and in the most important points of the anamnesis and clinical examination. In addition, the intervention group tended to score higher in terms of the item “oral health status”. Conclusion: The present study showed a positive effect of an additional training unit on students’ performance in the OSCE. Taking the limitations of the study and the results of a literature review into account, we recommend conducting such training as preparation for the OSCE.

Ratzmann, Anja; Wiesmann, Ulrich; Kordass, Bernd

2012-01-01

265

¡Dos es mejor que uno!  

Center for Food Safety and Applied Nutrition (CFSAN)

Text Version... 4 Page 5. Termómetros para refrigerador ¡Un elemento fundamental para la seguridad alimentaria! ... 5 0º F ! ¡Dos es mejor que uno! ... More results from www.fda.gov/downloads/food/foodborneillnesscontaminants

266

Perceived confidence in the FAST exam before and after an educational intervention in a developing country  

PubMed Central

Background Trauma care in developing countries suffers from many limitations related to equipment shortages, disrepair, quality assurance, and lack of training. Health care providers in the three principal hospitals in Cusco, Peru have ultrasound machines, but they do not utilize this for the focused assessment of sonography in trauma (FAST) scan (only one of the three hospitals has a computed tomography scanner). Aims The goal of this study was to assess the confidence of physicians in a developing country to conduct a FAST exam after an educational intervention. Methods Participants were Peruvian health care workers who attended a 2-day conference on trauma. Participants completed a questionnaire based on a 5-point Likert scale (1?=?no confidence, 5?=?high confidence) to assess comfort with the FAST scan before and after a FAST teaching workshop, which included hands-on ultrasound training. Thirteen individuals, eight of whom were physicians, completed the training and survey. Results were analyzed using paired t test statistics and are reported as pre- and post-training mean scores (± standard error), with p?exam on a trauma patient with an average score of 3.3 (± 0.3) pre-training and 4.5 (± 0.2) post-training (p?=?0.007). When asked about their comfort level in making clinical decisions based on the FAST scan, pre-training average score was 3.5 (± 0.4) and post-training was 4.5 (± 0.2), p?=?0.016. Participants also answered questions about their comfort with the technical aspects of using the ultrasound machine: ability to choose the correct probe (pre: 3.9, post: 4.6, p?=?0.011), choosing the correct probe orientation (pre: 3.9, post: 4.6, p?=?0.008), and adjusting the depth and gain (pre: 3.1, post: 4.4, p?=?0.001). Finally, participants rated their comfort with the specific views of the FAST scan: ability to find the correct subcostal view (pre: 3.3, post: 4.9, p?exam for clinical decision-making. Future research should include objective testing of participants’ skill as well as longitudinal follow-up to determine the extent to which the FAST scan has been incorporated into participants’ evaluations of trauma patients.

Crouch, Andre K.; Dawson, Matthew; Allred, Derrick; Madsen, Troy

2010-01-01

267

The Effects of Intervention and Retention in High School Mathematics Courses on Passing the California High School Exit Exam  

ERIC Educational Resources Information Center

|Students who make adequate yearly progress in grade-level mathematics courses should expect to pass the mathematics portion of their high school exit exam on the first attempt. Expectation theory states that teachers' beliefs about their own students are an important factor in students' success. The purpose of this nonexperimental study was to…

Green, Ellen Yvonne

2010-01-01

268

High-Stakes Decisions: The Legal Landscape of High School Exit Exams and the Implications for Schools and Leaders  

ERIC Educational Resources Information Center

|High school exit exam requirements are affecting a growing number of U.S. students--particularly low-income students and students of color. This article examines the policy and legal landscape of exit testing policy to shed light on some of the key issues facing local school leaders charged with implementing these policies. The article first…

Holme, Jennifer Jellison; Heilig, Julian Vasquez

2012-01-01

269

“Greater Than the Sum of the Parts?” Examining the Soundness of Collaborative Exams in Teacher Education Courses  

Microsoft Academic Search

Promoting collaboration skills and dispositions is widely encouraged currently in the field of teacher preparation. However, very few university classrooms incorporate collaboration into their assessment practices. One factor may be the perceived potential lack of soundness of such methodologies. This study is a qualitative examination of the soundness of collaborative essay exams conducted at 2 large teacher-credentialing institutions. The construct

John V. Shindler

2004-01-01

270

Realisation of the guidelines for faculty-internal exams at the Department of General Medicine at the University of Munich  

PubMed Central

Graded exams are prerequisites for the admission to the medical state examination. Accordingly the exams must be of good quality in order to allow benchmarking with the faculty and between different universities. Criteria for good quality need to be considered - namely objectivity, validity and reliability. The guidelines for the processing of exams published by the GMA are supposed to help maintaining those criteria. In 2008 the Department of General Medicine at the University of Munich fulfils only 14 of 18 items. A review process, appropriate training of the staff and the introduction of the IMSm software were the main changes that helped to improve the ‘GMA-score’ to 30 fulfilled items. We see the introduction of the IMSm system as our biggest challenge ahead. IMSm helps to streamline the necessary workflow and improves their quality (e.g. by the detection of cueing, item analysis). Overall, we evaluate the steps to improve the exam process as very positive. We plan to engage co-workers outside the department to assist in the various review processes in the future. Furthermore we think it might be of value to get into contact with other departments and faculties to benefit from each other’s question pools.

Boeder, Niklas; Holzer, Matthias; Schelling, Jorg

2012-01-01

271

Empirical Analysis of the Physical Aptitude Exam as a Predictor of Performance on the Physical Readiness Test.  

National Technical Information Service (NTIS)

The Physical Aptitude Exam, administered to candidates in the Naval Academy admissions process to measure physical aptitude, consists of pullups for men or the flexed arm hang for women, a 300-yard shuttle run, a standing longiump, and a kneeling basketba...

R. W. Patrick

2000-01-01

272

Listening Summary Translation Exam (LSTE) in Taiwanese (Also Known As) Minnan, Southern Fukienese, Southern Min, Xiamen, Amoy. Final Project Report.  

ERIC Educational Resources Information Center

|The report details development and validation of a test designed to assess the ability to comprehend and summarize, in English, recorded conversations spoken in Taiwanese. The language and topics of the exam are representative of conversations that federal law enforcement or intelligence agencies may need to monitor in this language. The report…

Stansfield, Charles W.; Wu, Weiping; Liu, Ching-Ching

273

Masculinity and the Body: How African American and White Men Experience Cancer Screening Exams Involving the Rectum  

Microsoft Academic Search

Past research on prostate and colorectal cancer disparities finds that barriers to screening, such as embarrassment and offensiveness, are often reported. Yet none of this literature investigates why. This study uses masculinity and health theory to examine how men experience two common screenings: digital rectal exams (DREs) and colonoscopies. In-depth interviews were conducted with 64 African American and White men

Julie A. Winterich; Sara A. Quandt; Joseph G. Grzywacz; Peter E. Clark; David P. Miller; Joshua Acuña; Thomas A. Arcury

2009-01-01

274

The Potential Use of the Discouraging Random Guessing (DRG) Approach in Multiple-Choice Exams in Medical Education.  

ERIC Educational Resources Information Center

Test performances of sophomore medical students on a pretest and final exam (under guessing and no-guessing instructions) were compared. Discouraging random guessing produced test information with improved test reliability and less distortion of item difficulty. More able examinees were less compliant than less able examinees. (Author/RH)

Friedman, Miriam; And Others

1987-01-01

275

An integrator final exam at the end of the engineering degrees to evaluate the acquired competences  

NASA Astrophysics Data System (ADS)

In the last decade strong changes in the design of university degrees have occurred in Spain, affecting real competences acquired by graduates. The new degrees often provide students greater freedom in shaping their curriculum which results in many cases in a problem for their training. In engineering degrees of Spain, the final project, that allows to know the integrated skills of the students in engineering subjects, is not compulsory anymore; it can be substituted for other specific types of work that often do not involve skills valued by the companies of the industrial sector. This situation may create doubts about the real competences of the graduates. In the present study, a final exam (voluntary) has been carried out during three years to assess competences in engineering students in the last course of the degree in agricultural engineering (diploma of five years) and agricultural technical engineering (diploma of three years) at the Polytechnic University of Madrid (Spain). They took part 132 students in the years 2006, 2007 and 2008. The exam had a common format, with three parts assessing skills in construction, machinery and electrical installations. The results showed the evolution in the training of students, and the relationship between skills acquired and late differences in the learning process. The most important conclusions were that the attainment levels was lower than expected, but generally consistent with the training received by each group of students. In particular, the low number of hours of subjects in electrical installations in certain groups of students was evident when evaluating the skills acquired. The results indicated that they aim to increase the number of hours in certain subjects and groups of students, if a graduate is to get qualified. The authors recommend an examination similar to the raised, integrator type, in all programs that do not have any overall final assessment in order to conduct a quality control of graduates; this approach has the advantage that graduates may also obtain an additional final certificate with their level of competences towards their future professional work.

Perdigones, A.; Sánchez, E.; Valiño, V.; Tarquis, A. M.

2010-05-01

276

Human clay models versus cat dissection: how the similarity between the classroom and the exam affects student performance.  

PubMed

This study examined the effect of different anatomic representations on student learning in a human anatomy class studying the muscular system. Specifically, we examined the efficacy of using dissected cats (with and without handouts) compared with clay sculpting of human structures. Ten undergraduate laboratory sections were assigned to three treatment groups: cat dissection only, cat dissection with handouts, and human clay sculpting with handouts. Exams included higher-order questions that presented novel anatomic images and scenarios that the students did not practice in class. The higher-order anatomy exam questions varied the degree to which students in the different treatments had to transform the anatomic representation studied during laboratory activities to match the representation used in the exam questions. In this respect, exam questions manipulated the similarity between the surface features of the anatomic representations used in the classroom versus the exam. When identifying anatomic structures presented in a photograph or diagram, student performance improved significantly when transformation demands decreased, i.e., students in the human clay sculpting treatment group performed best on human anatomy questions and students in the cat dissection treatment group performed better on cat anatomy questions (independent of the use of handouts). There were similar, but nonsignificant, trends when students were asked functional anatomy questions presented in human and cat contexts. On survey questions designed to measure student attitudes about dissection versus nonanimal alternatives, students typically preferred the method used in their treatment group, suggesting that student preference is too fluid to factor into curricular decisions. When designing curricula, instructors must choose anatomic representations that support their course goals. Human representations are most effective when teaching the human muscular system. PMID:21652509

Waters, John R; Van Meter, Peggy; Perrotti, William; Drogo, Salvatore; Cyr, Richard J

2011-06-01

277

A third study on predicting NCLEX success with the HESI exit exam.  

PubMed

This was the third annual validity study designed to assess the accuracy of the HESI Exit Exam (E) in predicting NCLEX success for graduating registered and practical nursing students. As in year I (N = 2,725) and year II (N = 3,752), in year III (N = 6,277), the E was highly predictive of NCLEX success for associate degree nursing, bachelor of science nursing, diploma, and practical nursing students. Unlike previous years, in year III, monitoring was not a significant factor in the predictive accuracy of the E. NCLEX success of low-scoring E students, first examined in year II, was also examined in year III. As in year II, low-scoring E students were significantly more (P = .001) likely to fail the licensure examination than high-scoring E students. In year III, unlike year II, there was no significant difference in the pass rate of low-scoring E students who participated in a remediation program and those who did not. The authors recommended that a more definitive definition of remediation be used in future studies and that such studies focus on E implementation strategies and their relationship to NCLEX success. PMID:18791386

Nibert, Ainslie T; Young, Anne

278

Repeat testing with the HESI exit exam-sixth validity study.  

PubMed

Since 1996, the accuracy of the HESI Exit Exam, or E(2) in predicting NCLEX success has been scientifically investigated. Five previously conducted studies determined that the E(2) was between 96.36% and 98.30% accurate in predicting NCLEX-RN success (N = 27037). However, all five of these studies examined the accuracy of the E(2) in predicting NCLEX success based on the first administration of the E(2).This study (N = 10147), which examined the predictive accuracy of parallel versions of the E(2), found that there was no significant difference in predictive accuracy between the first (96.44%) and second (92.94%) versions of the E(2), but the third (82.50%) version was significantly less accurate in predicting NCLEX-RN success than were the first two Eversions. The authors conjectured that students taking the E(2) for the third time were at greater risk for NCLEX-RN failure than were those who successfully met the school's designated benchmark score the first or second time they took the E(2). PMID:19901576

Adamson, Carolyn; Britt, Robin

279

Predicting NCLEX-RN success with the HESI Exit Exam: eighth validity study.  

PubMed

Increasingly, Elsevier's HESI Exit Exam (E(2)) is being used to assess students' readiness for the National Council Licensure Examination for Registered Nurses (NCLEX-RN). Seven previously conducted validity studies indicate that the E(2) is 96.36%-99.16% accurate in predicting NCLEX-RN success. Findings of this eighth validity study, which also investigated the predictive accuracy of repeat testing with parallel versions of the E(2), indicated that the E(2) is highly accurate (94.93%-98.32%) in predicting NCLEX-RN success for the initial testing and 2 retests. Of the 66 participating nursing programs, deans and directors from 43 (65.15%) of the programs reported implementing a policy that used E(2) scores as a benchmark for remediation. A score of 850 was the most common E(2) benchmark designated by faculties, and students who failed to achieve the faculty-designated E(2) benchmark score were required to retest with a parallel version of the E(2). Remediation resources used to assist students in achieving faculty-designated E(2) benchmark scores varied widely, with many programs employing multiple remediation methods. PMID:23566508

Langford, Rae; Young, Anne

280

Predicting NCLEX success with the HESI Exit Exam: fourth annual validity study.  

PubMed

The fourth annual validity study of the Health Education Systems, Inc. (HESI) Exit Exam was designed to examine not only the accuracy of the examination in predicting NCLEX success but also the degree of risk for failure of the licensure examination associated with specific scoring intervals. A descriptive comparative design was used to examine the data provided by schools of nursing regarding students' NCLEX outcomes in the 1999-2000 academic year. As in the 3 previous studies, the examination was found to be a highly accurate predictor of NCLEX success (98.46%). Each scoring interval was significantly different from each of the other scoring intervals (P = .001). In fact, for the combined group of registered nurse and practical nurse students, the percentage of students who failed the NCLEX more than doubled with each successively lower scoring interval. These findings provide the information faculties needed to make evidence-based decisions regarding students' risks for NCLEX failure. Additionally, frequency data were obtained from this survey regarding the use of the examination as a benchmark for progression and remediation, and these findings may also be useful to faculties that are considering establishing such programs. PMID:18791387

Nibert, Ainslie T; Young, Anne; Adamson, Carolyn

281

Determining the relevance of a certification exam to home health care nursing practice.  

PubMed

Home health care is enjoying increased use and popularity. Unfortunately, in today's cost-cutting environment, home healthcare is also subject to increased scrutiny and inevitable reimbursement limitations. This is borne out by the impact on home healthcare as a result of the Balanced Budget Act of 1997. Berke (1998) reports that those at greatest risk for cutbacks in care are those that can least afford it--the oldest, sickest, poorest, and most frail. Compounding the financial dilemma that home health care clients face are multiple providers of care, an unrealistic media presentation of health care, and less time for anyone to provide psychosocial-focused care (Simmons, 1990). Home health care clients have a desperate need for an advocate to provide expert navigation through the health care system. Home health care providers are aware of and often responsible for bridging gaps in health, medical benefits, and social services. This article describes a process for determining the relevance of a certification to community nursing clinical practice--using the Advanced Certification in Continuity of Care (A-CCC) exam as the example. PMID:10695177

Holland, D E

1999-01-01

282

Assessing knowledge of breast self exams in older African-American women.  

PubMed

Breast cancer mortality rates for older women increase dramatically with age. This descriptive study assessed the knowledge of breast self-exams (BSEs) via pre-tests and post-tests in older African-American women (> 60) at an initial session (Time 1), and then again at a follow-up session (Time 2) two months later. A sample of 57 older African-American women living in inner city apartment buildings participated in the study. There were significant differences between pre-test Time 1 and post-test Time 1 (p = .000) and pre-test Time 2 and post-test Time 2 (p = .000). In addition, a significant difference was detected between pre-test Time 1 and pre-test Time 2 (p = .039). Additionally, a content analysis revealed what factors would influence older African-American women to continue to perform BSEs in the future. Providing BSE education to older African-American women may be useful in decreasing mortality rates for breast cancer. PMID:18318329

Jennings-Sanders, Andrea

2007-12-01

283

FAST Exam Versus CT Scan in the Diagnosis of Interperitoneal Injury in a Hemodynamically Stable Patient With Blunt Abdominal Trauma: A Systematic Review  

Microsoft Academic Search

Background: The FAST exam is a tool that trauma physicians can use to evaluate patients with blunt trauma and possible abdominal injury. Currently, FAST has become the method of choice in evaluating hemodynamically unstable patients due to the rapid determination of any life-threatening abdominal injuries. The question that remains is the value of the FAST exam in hemodynamically stable blunt

Heather L Morley

2011-01-01

284

Locus of Control & Motivation Strategies for Learning Questionnaire: Predictors of Student Success on the ATI Comprehensive Predictor Exam & NCLEX-RN Examination  

ERIC Educational Resources Information Center

|The two purposes of this study were to determine whether locus of control (LOC) was predictive of how a student would perform on the ATI Comprehensive Predictor Exam and the NCLEX-RN, and if the Motivated Strategies for Learning Questionnaire (MSLQ) provided information that would help determine predictors of success on these two exams. The study…

Carpenter, Jane H.

2011-01-01

285

Stress, coping, and psychological health of vocational high school nursing students associated with a competitive entrance exam.  

PubMed

An important issue for the nursing education system in Taiwan is to reinforce nursing education to enhance competence levels for entry to nursing specialties. Consequently, to meet the prospective demands of technical manpower, not only do nursing students in college and vocational schools pursue further studies, but they also take competitive entrance exams. Using a descriptive cross-sectional design, the study examined the following among nursing students in vocational high schools: (1) perception and sources of entrance exam stress and use of coping behaviors; (2) the effect of difference in entrance exam stress levels on coping behaviors used, and (3) measurement of coping function to determine which coping behavior works best for buffering the impact of stress on psychological health during a preparatory stage of a college and university entrance exam. The subjects were 441 third-year nursing students of vocational high schools in northern Taiwan, recruited by convenience sampling. Three measurements were adopted: Stress perceived scale, Coping behavior inventory, and a Chinese health questionnaire. Results showed that the five main stressors of entrance exam stress, in descending order, were taking tests, the student's own aspirations, learning tasks, teacher's aspirations and parent's aspirations. Students generally used problem-focused coping strategies including optimistic action and social support to deal with the entrance exam stress, but use of emotion-focused coping strategies including avoidance and emotional disturbance was significantly increased as perceived level of stress rose. Two-way analyses of variance (2-way ANOVA) revealed that problem-focused coping had a positive main effect of alleviating psychological distress. A significant interaction was observed between stress perceived and problem-focused coping used for psychological health. Further examination of the interaction effect showed that problem-focused coping behaviors were potentially more adaptive in relation to psychological health at the lower and moderate stress levels (25 - 75%T) than that at the extreme stress level (> 75%T). Conversely, emotion-focused coping had a negative main effect or impairing psychological health. No interaction effect was found between stress perceived and emotion-focused coping used, suggesting that the relationship between emotion-focused coping and psychological distress was consistent across various stress levels. PMID:15986312

Wang, Huey-Fen; Yeh, Mei Chang

2005-06-01

286

The Effect of Enrollment in Middle School Challenge Courses on Advanced Placement Exams in Social Studies and Science  

NASA Astrophysics Data System (ADS)

Educators seek to guide students through appropriate programs and courses that prepare them for future success, in more advanced coursework and in other challenges of life. Some middle schools offer Challenge, or honors, courses for students who have demonstrated high ability. High schools often offer Advanced Placement (AP) courses, which are taught at the college level. This study examined the correlation between enrollment in middle school Challenge courses and subsequent AP exam category scores in social studies and science in a suburban school district. The independent variables were the number of years of enrollment in middle school social studies or science Challenge courses. The dependent variables were the AP exam category scores in the eight social studies AP courses or the six science AP courses. The sample sizes were limited to the number of students who took an AP social studies or science exam and also attended the middle school of study. The null hypothesis was that there was no relationship between the two variables. This study included eight social studies AP courses and six science AP courses. A significant positive correlation was indicated in only two of the courses, U.S. Government and Comparative Government, supporting the claim that enrollment in middle school Challenge social studies was correlated with success, at least on these two AP exams. In the remaining 12 courses, there was not enough evidence to reject the null hypothesis. Therefore, enrollment in middle school Challenge science and social studies courses generally did not seem to correlate with AP exam category scores. Results of this study call into question the validity of the claim by the district that enrollment in Challenge courses helps prepare students for rigorous coursework in high school. Several factors, including student readiness, teacher training, familiarity with course content, and previous AP experience may contribute more to a student's AP exam category score. Results also suggest that the district may need to revisit the effectiveness of the Challenge curriculum and the policy of limiting enrollment in Challenge courses.

Glaude-Bolte, Katherine

287

Factors associated with intentions to adhere to colorectal cancer screening follow-up exams  

PubMed Central

Background To increase adherence rate to recommendations for follow-up after abnormal colorectal cancer (CRC) screening results, factors that inhibit and facilitate follow-up must be identified. The purpose of this study was to identify the factors associated with intention to adhere to CRC screening follow-up exams. Methods During a 4-week period in October 2003, this survey was conducted with 426 subjects participating in a community-based CRC screening program in Nagano, Japan. Study measures included intention to adhere to recommendation for clinical follow-up in the event of an abnormal fecal occult blood test (FOBT) result, perceived susceptibility and severity of CRC, perceived benefits and barriers related to undergoing follow-up examination, social support, knowledge of CRC risk factors, health status, previous CRC screening, personality and social demographic characteristics. Univariate and multivariate logistic regression analyses on intention to adhere to recommendations for follow-up were performed. Results Among the 288 individuals analyzed, approximately 74.7% indicated that they would definitely adhere to recommendations for follow-up. After controlling for age, gender, marital status, education, economic status, trait anxiety, bowel symptoms, family history of CRC, and previous screening FOBT, analyses revealed that lower levels of perceived barriers, higher levers of perceived benefits and knowledge of CRC risk factors were significantly associated with high intention respectively. Conclusion The results of this study suggest that future interventions should focus on reducing modifiable barriers by clarifying misperceptions about follow-up, promoting the acceptance of complete diagnostic evaluations, addressing psychological distress, and making follow-up testing more convenient and accessible. Moreover, educating the public regarding the risk factors of CRC and increasing understanding of the benefits of follow-up is also important.

Zheng, Ying-Fang; Saito, Tami; Takahashi, Miyako; Ishibashi, Teruo; Kai, Ichiro

2006-01-01

288

Temporal stability of objective structured clinical exams: a longitudinal study employing item response theory  

PubMed Central

Background The objective structure clinical examination (OSCE) has been used since the early 1970s for assessing clinical competence. There are very few studies that have examined the psychometric stability of the stations that are used repeatedly with different samples. The purpose of the present study was to assess the stability of objective structured clinical exams (OSCEs) employing the same stations used over time but with a different sample of candidates, SPs, and examiners. Methods At Time 1, 191 candidates and at Time 2 (one year apart), 236 candidates participated in a 10-station OSCE; 6 of the same stations were used in both years. Generalizability analyses (Ep2) were conducted. Employing item response analyses, test characteristic curves (TCC) were derived for each of the 6 stations for a 2-parameter model. The TCCs were compared across the two years, Time 1 and 2. Results The Ep2 of the OSCEs exceeded.70. Standardized thetas (?) and discriminations were equivalent for the same station across the two year period indicating equivalent TCCs for a 2-parameter model. Conclusion The 6 OSCE stations used by the AIMG program over two years have adequate internal consistency reliability, stable generalizability (Ep2) and equivalent test characteristics. The process of assessment employed for IMG’s are stable OSCE stations that may be used several times over without compromising psychometric properties. With careful security, high-stakes OSCEs may use the same stations that have high internal consistency and generalizability repeatedly as the psychometric properties are stable over several years with different samples of candidates.

2012-01-01

289

Genetics objective structured clinical exams at the Maimonides Infants & Children's Hospital of Brooklyn, New York.  

PubMed

In 2003, the Maimonides Infants & Children's Hospital received a Title VII Residency Training in Primary Care grant to integrate genetic-specific competencies into postgraduate pediatrics education. As part of that endeavor, mandatory yearly genetics objective structured clinical exams (OSCEs) were instituted for third-year residents. This article reports on the first three years of experience with this innovative educational tool.After an overview of genetic concepts, dysmorphology, and communication styles, residents complete a five-station OSCE and receive feedback from standardized patients and from the faculty who observe them. After this clinical exercise, the residents participate in a small-group debriefing session to share strategies for effective communication and clinical case management and to discuss the ethical issues that arise with these genetic cases.In three years, 60 residents have completed the genetics OSCE program. Evaluation data demonstrate that the program has been effective in both introducing genetic-specific challenges and assessing residents' clinical skills. It has helped trainees self-identify both strengths and further training needs. Pre- and postsurveys among the trainees show increased comfort levels in performing 5 of 12 genetic-related clinical tasks.We conclude that genetics OSCEs are an enriching educational tool. Merely providing trainees and practicing physicians with the latest scientific information is unlikely to prepare them for counseling patients about complex genetic issues. Developing proficiency requires focused practice and effective feedback.This article is part of a theme issue of Academic Medicine on the Title VII health professions training programs. PMID:18971664

Altshuler, Lisa; Kachur, Elizabeth; Krinshpun, Shifra; Sullivan, Deborah

2008-11-01

290

[Prevalence of heart murmurs, aortic and pulmonic stenosis in boxers presented for pre-breeding exams in Switzerland].  

PubMed

Boxer are predisposed to subaortic (SAS) and pulmonic stenosis (PS). To decrease the prevalence, pre-breeding cardiologic exams were performed in the last years. In our study the results of 309 pre-breeding exams of boxers presented between 1999 and 2008 were evaluated retrospectively. The overall prevalence of heart murmurs was 26.5 %. A SAS was diagnosed in 25 (8.1 %) and a PS in 10 (3.3 %) dogs. A combination of both defects was found in 7 (2.3 %) Boxers. Animals with a heart murmur of at least grade 3/6 had a significantly higher peak aortic flow velocity (VmaxAo) than animals without or only soft heart murmurs. Over the study period both the frequency of heart murmurs and diagnosis of SAS and PS decreased. PMID:20582897

Höpfner, R; Glaus, T; Gardelle, O; Amberger, C; Glardon, O; Doherr, M G; Lombard, C W

2010-07-01

291

Masculinity and the body: how African American and White men experience cancer screening exams involving the rectum.  

PubMed

Past research on prostate and colorectal cancer disparities finds that barriers to screening, such as embarrassment and offensiveness, are often reported. Yet none of this literature investigates why. This study uses masculinity and health theory to examine how men experience two common screenings: digital rectal exams (DREs) and colonoscopies. In-depth interviews were conducted with 64 African American and White men from diverse backgrounds, aged 40 to 64, from North Carolina. Regardless of race or education, men experienced DREs more negatively than colonoscopies because penetration with a finger was associated with a gay sexual act. Some men disliked colonoscopies, however, because they associated any penetration as an affront to their masculinity. Because beliefs did not differ by race, future research should focus on structural issues to examine why disparities persist with prostate and colorectal cancer. Recommendations are provided for educational programs and physicians to improve men's experiences with exams that involve the rectum. PMID:19477742

Winterich, Julie A; Quandt, Sara A; Grzywacz, Joseph G; Clark, Peter E; Miller, David P; Acuña, Joshua; Arcury, Thomas A

2008-07-22

292

Masculinity and the Body: How African-American and White Men Experience Cancer Screening Exams Involving the Rectum  

PubMed Central

Past research on prostate and colorectal cancer disparities finds that barriers to screening, such as embarrassment and offensiveness, are often reported. Yet none of this literature investigates why. This study uses masculinity and health theory to examine how men experience two common screenings, digital rectal exams (DREs) and colonoscopies. In-depth interviews were conducted with 64 African-American and white men from diverse backgrounds, aged 40–64, from North Carolina, USA. Regardless of race or education, men experienced DREs more negatively than colonoscopies because penetration with a finger was associated with a gay sexual act. Some men disliked colonoscopies, however, because they associated any penetration as an affront to their masculinity. Because beliefs did not differ by race, future research should focus on structural issues to examine why disparities persist with prostate and colorectal cancer. Recommendations are provided for educational programs and physicians to improve men’s experiences with exams that involve the rectum.

Winterich, Julie A.; Quandt, Sara A; Grzywacz, Joseph G.; Clark, Peter E.; Miller, David P.; Acuna, Joshua; Arcury, Thomas A.

2008-01-01

293

Method for rapidly determining and reconstructing the peak arterial frame from a time-resolved CE-MRA exam.  

PubMed

A method that determines the information necessary to reconstruct a single vascular image from a time-resolved CE-MRA exam is presented. Raw k-space data are used to approximate the time course of the contrast passage prior to image reconstruction. The resulting k-space contrast curve is used to select the data corresponding to peak arterial enhancement. These data are reconstructed and immediately presented for physician review, with the entire time-series of images available at a later time for more detailed diagnosis. This approach dramatically reduces the latency between acquisition of large 4D (3D plus time) data sets and presentation of a diagnostic quality time frame. This algorithm has proven successful in the imaging of several anatomical regions and-in exams that do not require a breath hold-permits the use of an acquisition method that produces a contrast-enhanced angiogram without a timing scan. PMID:11064419

Carroll, T J; Korosec, F R; Swan, J S; Grist, T M; Frayne, R; Mistretta, C A

2000-11-01

294

Adolescents’ sleep in low-stress and high-stress (exam) times: A prospective quasi-experiment  

Microsoft Academic Search

This prospective quasi-experiment (N=175; mean age: 15.14 years) investigates changes in adolescents' sleep from low-stress (regular school week) to high-stress times (exam week) and examines the (moderating) role of chronic sleep reduction, baseline stress, and gender. Sleep was monitored over three consecutive weeks using actigraphy. Adolescents' sleep was more fragmented during the high-stress time than during the low-stress time, meaning

J. F. Dewald; A. M. Meijer; F. J. Oort; G. A. Kerkhof; S. M. Bögels

2012-01-01

295

On-line Homework\\/Quiz\\/Exam applet: Freely available Java software for evaluating performance on line  

Microsoft Academic Search

The Homework\\/Quiz\\/Exam applet is a freely available Java program that can be used to evaluate student performance on line\\u000a for any content authored by a teacher. It has database connectivity so that student scores are automatically recorded. It\\u000a allows several different types of questions. Each question can be linked to images and detailed story problems. Three levels\\u000a of feedback are

Oakley E. Gordon; Thomas E. Malloy

2002-01-01

296

Catching misconceptions and misinformation about ocean/climate science among college students: a long record of pre and post exams  

NASA Astrophysics Data System (ADS)

Pre/post exams were used in a college freshmen oceanography course to identify student misconceptions and to investigate student learning gains. This course has a diverse population of students where most are not science majors. The pre-test, given on the first day of class, contains 100 questions over entire course content. The post test is given on the last day of class. Our results are based on pre/post test scores from 6 sections (2009-2011, n = ~150). There is no significant difference between average scores of males and females in the pre-test, and most students regardless of class level (freshmen to senior) have about the same knowledge level of the ocean/climate system coming into the course. On the pre-test, many students answered incorrectly questions on the cause for lunar phases, the Coriolis effect, mechanism of air/water mass movement, and the energy driving the hydrologic cycle; but showed significant improvement on the post-test. In contrast, 100% of students answered correctly that weather and climate are different coming into the course, and 100% left the course unconfused about this. There is consistent improvement in the class average scores between the pre and post exams by 20-30% in all sections regardless of the semester or course content covered. Potentially, the post test may be reflecting retention rather than transient learning from cramming for the final exam.

Mekik, F.

2011-12-01

297

Role of sudarshan kriya and pranayam on lipid profile and blood cell parameters during exam stress: A randomized controlled trial  

PubMed Central

Background: Yoga is a science practiced in India over thousands of years. It produces constituent physiological changes and has sound scientific basis. Aim: Since exam stress modifies lipid profile and hematological parameters, we conducted an investigation on the effect of sudarshan kriya (SK and P) program on these parameters. Materials and Methods: Blood samples of 43 engineering students were collected at four intervals namely baseline (BL), exam stress (ES), three and six weeks practice of SK and P during exam stress. Lipid profile and hematological parameters were measured at all four intervals. Results: ES elevated total cholesterol (TC), triglycerides (TGL) and very low density lipoprotein (VLDL) levels. Hematological parameters affected by ES included neutrophil, lymphocytes, platelet count, packed cell volume (PCV) and mean cell volume (MCV). Three and six weeks practice of SK and P reduced the elevated lipid profile, hematological parameters and improved lymphocyte levels. Conclusion: Our study indicates that SK and P practice has the potential to overcome ES by improving lipid profile and hematological parameters.

Subramanian, Swapna; Elango, Tamilselvi; Malligarjunan, Hemamalini; Kochupillai, Vinod; Dayalan, Haripriya

2012-01-01

298

Finite Element Modelling of the Glenohumeral Capsule Can Help Assess the Tested Region during a Clinical Exam  

PubMed Central

The objective of this research was to examine the efficacy of evaluating the region of the glenohumeral capsule being tested by clinical exams for shoulder instability using finite element models of the glenohumeral joint. Specifically, the regions of high capsule strain produced by glenohumeral joint positions commonly used during a clinical exam were identified. Kinematics that simulated a simple translation test with an anterior load at three external rotation angles were applied to a validated, subject-specific finite element model of the glenohumeral joint at 60° of abduction. Maximum principal strains on the glenoid side of the IGHL were significantly higher than the maximum principal strains on the humeral side, for all three regions of the IGHL at 30° and 60° of external rotation. These regions of localized strain indicate that these joint positions might be used to test the glenoid side of the IGHL during this clinical exam, but are not useful for assessing the humeral side of the IGHL. The use of finite element models will facilitate the search for additional joint positions that isolate high strains to other IGHL regions, including the humeral side of the IGHL.

Ellis, Benjamin J; Drury, Nicholas J.; Moore, Susan M.; McMahon, Patrick J.; Weiss, Jeffrey A.; Debski, Richard E.

2013-01-01

299

Use of a pretest strategy for physical therapist assistant programs to predict success rate on the national physical therapy exam.  

PubMed

This study investigated a pretest strategy that identified physical therapist assistant (PTA) students who were at risk of failure on the National Physical Therapy Examination (NPTE). Program assessment data from five cohorts of PTA students (2005-2009) were used to develop a stepwise multiple regression formula that predicted first-time NPTE licensure scores. Data used included the Nelson-Denny Reading Test, grades from eight core courses, grade point average upon admission to the program, and scores from three mock NPTE exams given during the program. Pearson correlation coefficients were calculated between each of the 15 variables and NPTE scores. Stepwise multiple regression analysis was performed using data collected at the ends of the first, second, and third (final) semesters of the program. Data from the class of 2010 were then used to validate the formula. The end-of-program formula accounted for the greatest variance (57%) in predicted scores. Those students scoring below a predicted scaled score of 620 were identified to be at risk of failure of the licensure exam. These students were counseled, and a remedial plan was developed based on regression predictions prior to them sitting for the licensure exam. PMID:23752234

Sloas, Stacey B; Keith, Becky; Whitehead, Malcolm T

2013-01-01

300

The Effect of the Clinical Digital Rectal Exam on the Complexed Prostate-Specific Antigen Versus the Total Prostate-Specific Antigen  

Microsoft Academic Search

Background: The total serum prostate-specific antigen has been used as a screening tool to determine prostate health and is routinely done after a clinical exam which may include a digital rectal exam. The complexed prostate-specific antigen is a portion of the total prostate-specific antigen and may be a better indicator for prostate health. The purpose of this paper is to

Jason Edward Brown

2011-01-01

301

Linguistic discrimination in writing assessment: How raters react to African American “errors,” ESL errors, and standard English errors on a state-mandated writing exam  

Microsoft Academic Search

Raters of Georgia's (USA) state-mandated college-level writing exam, which is intended to ensure a minimal university-level writing competency, are trained to grade holistically when assessing these exams. A guiding principle in holistic grading is to not focus exclusively on any one aspect of writing but rather to give equal weight to style, vocabulary, mechanics, content, and development. This study details

David Johnson; Lewis VanBrackle

302

DOS: a scalable optical switch for datacenters  

Microsoft Academic Search

This paper discusses the architecture and performance studies of Datacenter Optical Switch (DOS) designed for scalable and high-throughput interconnections within a data center. DOS exploits wavelength routing characteristics of a switch fabric based on an Arrayed Waveguide Grating Router (AWGR) that allows contention resolution in the wavelength domain. Simulation results indicate that DOS exhibits lower latency and higher throughput even

Xiaohui Ye; Yawei Yin; S. J. Ben Yoo; Paul Vincent Mejia; Roberto Proietti; Venkatesh Akella

2010-01-01

303

LP-DOS magnifies the PC screen  

Microsoft Academic Search

As a visually impaired computer user the author needed a simple solution that would allow him and others to see and use the vast range of PC text and graphics programs. He created LP-DOS (Large Print DOS). LP-DOS is a software package that can run on any PC or laptop. It can be used anywhere: business, home, or school. Once

D. Simkovitz

1992-01-01

304

Participation and Performance of Limited English Proficient Students during Second Attempts on a Graduation Exam. State Assessment Series, Minnesota Report 28.  

ERIC Educational Resources Information Center

|The central research question of this study is whether first-time scores for repeat limited-English-proficient (LEP) test-takers of Basic Standards Tests (BSTs), also known as "graduation exams," predict a passing score on the test the second time around. Three points are cautiously asserted: (1) 20% or fewer of LEP students who retook the BSTs…

Spicuzza, Richard; Liu, Kristin; Swierzbin, Bonnie; Bielinski, John; Thurlow, Martha

305

An investigation of critical factors that influence the success rate of students passing the regents' exam mandated by the university system of Georgia board of regents  

Microsoft Academic Search

The purpose of this phenomenological study was to investigate the critical factors that influence the success rate of students passing the Georgia Board of Regents’ Exam. The target audiences of this study were college and university students and the University System of Georgia employees, to include professors at select colleges and universities as well as Board of Regents’ staff The

Lakeisha Porter

2011-01-01

306

Use of Breast Cancer Detection Exams Among Women Age 40 and Over, U.S. Noninstitutionalized Population, 2005. MEPS Statistical Brief No. 170.  

National Technical Information Service (NTIS)

Breast cancer is one of the top 10 causes of death for women in United States. Regular breast exams and mammograms are the best tools available to doctors to find breast cancer early. When breast cancer is found early, the five-year survival rate is 96 pe...

A. Soni

2007-01-01

307

The Relationship between Post Reach Exit Exam (E[superscript 2]) Failure Remediation and NCLEX-RN Success of Graduates of Baccalaureate Nursing Programs  

ERIC Educational Resources Information Center

|An ex post facto study was conducted to determine whether any relationship exists between remediation post Reach Exit Exam (E[superscript 2]) failure and NCLEX-RN success of graduates of baccalaureate nursing programs. Data was gathered from responses to the seventh annual validity study (V7S) offered to deans and directors of nursing programs by…

Allen, Patricia Gale

2009-01-01

308

The Role of Stanford Achievement Test 10[TM] Subtests in Sixth Grade as a Predictor of Success on ACT's Eighth Grade Explore Exam[TM  

ERIC Educational Resources Information Center

|The purpose of this study was to determine if there was a predictive correlation between a specific sixth grade achievement test known as the Stanford Achievement Test 10 and the eighth grade college readiness assessment instrument known as the Explore Exam for a group of North Texas students. Following an assessment during sixth grade, via the…

Potts, Jeffrey D.

2011-01-01

309

Using On-line Tutoring Records to Predict End-of-Year Exam Scores: Experience with the ASSISTments Project and MCAS 8th Grade Mathematics  

Microsoft Academic Search

The ASSISTment system is an online benchmark testing system that tutors as it tests. The system has been implemented for the content of the 8th grade Mathematics portion of the Mas- sachusetts Comprehensive Assessment System (MCAS) exams, has been developed and tested in Massachusetts middle schools, and is being adapted for use in other states such as Pennsylvania. Two main

Brian W. Junker

310

Exam Question Exchange.  

ERIC Educational Resources Information Center

|Acceptable answers are provided for two chemistry questions. The first question is related to the prediction of the appearance of non-first-order proton nuclear magnetic resonance (NMR) spectra. The second question is related to extraterrestrial kinetic theory of gases. (JN)|

Alexander, John J., Ed.

1983-01-01

311

Physical exam frequency  

MedlinePLUS

... Assess risk of future medical problems Encourage a healthy lifestyle Update vaccinations Maintain a relationship with a health care provider in case of an illness For recommendations for men and women by age group, see: Health screening - women - age ...

312

Breast and Pelvic Exams  

MedlinePLUS

... appointment. STD Tests If you've ever had sex, the doctor or nurse might test for STDs . That means providing a urine sample or vaginal swab for the doctor to send to a lab for analysis. If you get a vaginal swab done in ...

313

Oral Cancer Exam  

MedlinePLUS Videos and Cool Tools

... See All Clinical Trials Search Clinical Trials by Topic Browse Studies by Topic NIDCR-Sponsored Clinical Trials Why are clinical trials ... our nation. Grants & Funding Funding Opportunity Announcements By Topic RFAs PAs See All Grants & Funding Application Forms ...

314

Skin lesion KOH exam  

MedlinePLUS

Potassium hydroxide examination of skin lesion ... The health care provider scrapes the lesion off your skin, using a blunt edge such as the edge of a microscope slide. The scrapings from the skin ...

315

Certification Exams. Let's Proceed.  

ERIC Educational Resources Information Center

|The authors discuss why certification examinations for park, recreation, and leisure professionals are needed and highlight specific concerns now being addressed by the Test Development Management Committee of the National Recreation and Park Association. (MT)|

McKinney, William R.; Pope, Michael S.

1986-01-01

316

Acing the Exam.  

ERIC Educational Resources Information Center

|Discusses improving student test scores based on an interview with Bob Berkowitz, co-developer of the Big6 approach to problem solving. Highlights include experiences at Wayne Central High School (Ontario Center, NY); cooperation between library media specialists and classroom teachers; viewing instruction as a series of information problems; and…

Margolis, Rick

2002-01-01

317

The Lost Exam (C)  

Microsoft Academic Search

This three-part case series (see also UVA-E-0115 and UVA-E- 0117) can be used as part of a course in ethics or in a pedagogical-training seminar. In an ethics course, it could be used in a discussion of fairness and trust, or in a more technical discussion of the role of evidence in ethical decision-making. In a pedagogy course, the cases

R. Freeman; Gordon Sollars

318

The Lost Exam (B)  

Microsoft Academic Search

This three-part case series (see also UVA-E-0115 and UVA-E- 0117) can be used as part of a course in ethics or in a pedagogical-training seminar. In an ethics course, it could be used in a discussion of fairness and trust, or in a more technical discussion of the role of evidence in ethical decision-making. In a pedagogy course, the cases

R. Freeman; Gordon Sollars

319

The Prostate Exam  

ERIC Educational Resources Information Center

|Objective: To help students, residents, and general practitioners to improve the technique, skills, and reproducibility of their prostate examination. Methods: We developed a comprehensive guideline outlining prostate anatomy, indications, patient preparation, positioning, technique, findings, and limitations of this ancient art of urological…

Romero, Frederico R.; Romero, Antonio W.; Filho, Thadeu Brenny; Kulysz, David; Oliveira, Fernando C., Jr.; Filho, Renato Tambara

2012-01-01

320

Effects and sustainability of trainings for the oral and practical part of the german final exam in medicine.  

PubMed

Study Goals: It is known that the manifold limitations of oral and practical examinations can be improved by specific training. With the help of an online survey, our present study analyzes the effects that can be achieved by the training conducted at the University of Ulm for examiners in the final medical examination, the long-lasting impact of the training, and differences among participant subgroups. Method: All 367 participants in the training at Ulm (2007- 2012) were contacted via email. Sixty-three persons responded to the survey that included 28 items concerning demographic data, effectiveness, and sustainability. Results: Six main effects of the training were identified (meaning effects rated with a grade of 1 or 2 on a 6-point scale by two thirds of the participants, with 1="applicable" and 6="not applicable"; cumulated percentage of answers of 1 or 2 in parentheses): Conscious handling of strengths and weaknesses of oral examinations (71%),Knowledge of factors contributing to the reliability of oral/practical examinations (76%),Knowledge of factors contributing to the validity of oral/practical examinations (75%),Improvement of competence in task construction (68%),Improvement of competence in respect to examination formalities (75%),Implementation of the concept of "structured oral examinations" (a priori planning of examination subjects, tasks, levels of expectation and grading criteria) (86%). The responses of participants trained more than two years ago were not significantly different from the answers given by recently trained persons. This is an argument for the sustainability of the training effects. Furthermore, participants without relevant prior experience in oral/practical examinations profited significantly more from the trainings, especially in the areas of stress reduction, confidence in grading, and competence in critical discrimination of grading. Conclusion: The positive and sustained effects of the examiner training argue for continuing the training program, especially for inexperienced examiners. Expansion of the successful training program to include the first medical exam should be considered. PMID:24062816

Ochsner, Wolfgang; Geiler, Sandra; Huber-Lang, Markus

2013-08-15

321

Assessment of knowledge retention and the value of proctored ultrasound exams after the introduction of an emergency ultrasound curriculum  

PubMed Central

Background Optimal training required for proficiency in bedside ultrasound is unknown. In addition, the value of proctored training is often assumed but has never been quantified. Methods To compare different training regimens for both attending physicians and first year residents (interns), a prospective study was undertaken to assess knowledge retention six months after an introductory ultrasound course. Eighteen emergency physicians and twelve emergency medicine interns were assessed before and 6 months after an introductory ultrasound course using a standardized, image-based ultrasound test. In addition, the twelve emergency medicine interns were randomized to a group which received additional proctored ultrasound hands-on instruction from qualified faculty or to a control group with no hands-on instruction to determine if proctored exam training impacts ultrasound knowledge. Paired and unpaired estimates of the median shift in test scores between groups were made with the Hodges-Lehmann extension of the Wilcoxon-Mann-Whitney test. Results Six months after the introductory course, test scores (out of a 24 point test) were a median of 2.0 (95% CI 1.0 to 3.0) points higher for residents in the control group, 5.0 (95% CI 3.0 to 6.0) points higher for residents in the proctored group, and 2.5 (95% CI 1.0 to 4.0) points higher for the faculty group. Residents randomized to undergo proctored ultrasound examinations exhibited a higher score improvement than their cohorts who were not with a median difference of 3.0 (95% CI 1.0 to 5.0) points. Conclusion We conclude that significant improvement in knowledge persists six months after a standard introductory ultrasound course, and incorporating proctored ultrasound training into an emergency ultrasound curriculum may yield even higher knowledge retention.

Noble, Vicki E; Nelson, Bret P; Sutingco, A Nicholas; Marill, Keith A; Cranmer, Hilarie

2007-01-01

322

Effects and Sustainability of Trainings for the Oral and Practical Part of the German Final Exam in Medicine  

PubMed Central

Study Goals: It is known that the manifold limitations of oral and practical examinations can be improved by specific training. With the help of an online survey, our present study analyzes the effects that can be achieved by the training conducted at the University of Ulm for examiners in the final medical examination, the long-lasting impact of the training, and differences among participant subgroups. Method: All 367 participants in the training at Ulm (2007- 2012) were contacted via email. Sixty-three persons responded to the survey that included 28 items concerning demographic data, effectiveness, and sustainability. Results: Six main effects of the training were identified (meaning effects rated with a grade of 1 or 2 on a 6-point scale by two thirds of the participants, with 1=“applicable” and 6=“not applicable”; cumulated percentage of answers of 1 or 2 in parentheses): Conscious handling of strengths and weaknesses of oral examinations (71%), Knowledge of factors contributing to the reliability of oral/practical examinations (76%), Knowledge of factors contributing to the validity of oral/practical examinations (75%), Improvement of competence in task construction (68%), Improvement of competence in respect to examination formalities (75%), Implementation of the concept of “structured oral examinations” (a priori planning of examination subjects, tasks, levels of expectation and grading criteria) (86%). The responses of participants trained more than two years ago were not significantly different from the answers given by recently trained persons. This is an argument for the sustainability of the training effects. Furthermore, participants without relevant prior experience in oral/practical examinations profited significantly more from the trainings, especially in the areas of stress reduction, confidence in grading, and competence in critical discrimination of grading. Conclusion: The positive and sustained effects of the examiner training argue for continuing the training program, especially for inexperienced examiners. Expansion of the successful training program to include the first medical exam should be considered.

Ochsner, Wolfgang; Geiler, Sandra; Huber-Lang, Markus

2013-01-01

323

Patterns of missing mini mental status exam (MMSE) in radiation therapy oncology group (RTOG) brain cancer trials.  

PubMed

The Mini Mental Status Exam (MMSE) instrument has been commonly used in the Radiation Therapy Oncology Group (RTOG) to assess mental status in brain cancer patients. Evaluating patient factors in relation to patterns of incomplete MMSE assessments can provide insight into predictors of missingness and optimal MMSE collection schedules in brain cancer clinical trials. This study examined eight RTOG brain cancer trials with ten treatment arms and 1,957 eligible patients. Patient data compliance patterns were categorized as: (1) evaluated at all time points (Complete), (2) not evaluated from a given time point or any subsequent time points but evaluated at all the previous time points (Monotone drop-out), (3) not evaluated at any time point (All missing), and (4) all other patterns (Mixed). Patient characteristics and reasons for missingness were summarized and compared among the missing pattern groups. Baseline MMSE scores and change scores after radiation therapy (RT) were compared between these groups, adjusting for differences in other characteristics. There were significant differences in frequency of missing patterns by age, treatment type, education, and Zubrod performance status (ZPS; P < 0.001). Ninety-two percent of patients were evaluated at least once: seven percent of patients were complete pattern, 49% were Monotone pattern, and 36% were mixed pattern. Patients who received RT only regimens were evaluated at a higher rate than patients who received RT + other treatments (49-64% vs. 27-45%). Institutional error and request to not be contacted were the most frequent known reasons for missing data, but most often, reasons for missing MMSE was unspecified. Differences in baseline mean MMSE scores by missing pattern (Complete, Monotone dropout, Mixed) were statistically significant (P < 0.001) but differences were small (<1.5 points) and significance did not persist after adjustment for age, ZPS, and other factors related to missingness. Post-RT change scores did not differ significantly by missing pattern. While baseline and change scores did not differ widely by missing pattern for available measurements, incomplete data was common and of unknown reason, and has potential to substantially bias conclusions. Higher compliance rates may be achievable by addressing institutional compliance with assessment schedules and patient refusal issues, and further exploration of how educational and health status barriers influence compliance with MMSE and other tools used in modern neurocognitive batteries. PMID:21603964

Bae, K; Bruner, D W; Baek, S; Movsas, B; Corn, B W; Dignam, J J

2011-05-21

324

Strains of the East Asian (W/Beijing) Lineage of Mycobacterium tuberculosis Are DosS/DosT-DosR Two-Component Regulatory System Natural Mutants? †  

PubMed Central

As part of our ongoing efforts to uncover the phenotypic consequences of genetic variability among clinical Mycobacterium tuberculosis isolates, we previously reported that isolates of the “East Asian” or “W/Beijing” lineage constitutively overexpress the coordinately regulated transcriptional program known as the DosR regulon under standard in vitro conditions. This phenotype distinguishes the W/Beijing lineage from all other M. tuberculosis lineages, which normally induce expression of this regulon only once exposed to low oxygen or nitric oxide, both of which result in inhibition of bacterial respiration and replication. Transcription of the DosR regulon is controlled through a two-component regulatory system comprising the transcription factor DosR and two possible cognate histidine sensor kinases, DosS and DosT. Through sequence analysis of a carefully selected set of isolates representing each of the major M. tuberculosis lineages, we describe herein a naturally occurring frameshift mutation in the gene encoding the DosT sensor kinase for isolates of the most recently evolved W/Beijing sublineages. Intriguingly, the occurrence of the frameshift mutation correlates precisely with the appearance of the constitutive DosR regulon phenotype displayed by the same “modern” W/Beijing strains. However, complementation studies have revealed that the mutation in dosT alone is not directly responsible for the constitutive DosR regulon phenotype. Our data serve to highlight the evolutionary pressure that exists among distinct M. tuberculosis lineages to maintain tight control over DosR regulon expression.

Fallow, Ashley; Domenech, Pilar; Reed, Michael B.

2010-01-01

325

The Dos Bocas dam in Puerto Rico.  

NSDL National Science Digital Library

The Dos Bocas dam in Puerto Rico was constructed in 1942 to generate hydroelectric power. Dams in this region prevent the migration of shrimp and fish to areas upstream of the dam. As a result, compared to similar reaches of undammed streams, areas that are upstream of dammed rivers have higher amounts of organic and inorganic nutrients as well as altered invertebrate populations. Loss of migratory shrimp and fish upstream from dams alters basal resources and assemblages of invertebrate competitors and prey. This photograph originally appeared on the cover of Ecological Applications (16:1) in February of 2006.

Klemow, Kenneth

2010-02-11

326

Abnormal vaginal flora in low-risk pregnant women cared for by a public health service: prevalence and association with symptoms and findings from gynecological exams.  

PubMed

This study identifies the prevalence of vaginal flora alterations in low-risk pregnant women and their association with reported symptoms and gynecological exams. This quantitative, descriptive, cross-sectional study was conducted in public primary care service units in Botucatu, SP, Brazil from 2006 to 2008 with 289 pregnant women from a stratified sample obtained by sampling by care unit. Tests of vaginal content were performed using Gram's method and testing for Trichomonas vaginalis using Diamond's medium. The prevalence of altered vaginal flora was 49.5%, of which bacterial vaginosis (20.7%), vaginal candidiasis (11.8%) and intermediate flora (11.1%) were the most frequent, not considering associations. Results revealed a high prevalence of vaginal flora alterations with little relation to symptoms, but in agreement with findings from the gynecological exams. Considering undesirable maternal and perinatal outcomes and feasible laboratory practices, the establishment of a routine for diagnosing vaginal flora alterations in low-risk pregnant women is suggested. PMID:21120411

Gondo, Danielle Cristina Alves Feitosa; Duarte, Marli Teresinha Cassamassimo; da Silva, Márcia Guimarães; de Lima Parada, Cristina Maria Garcia

327

DosS Responds to a Reduced Electron Transport System To Induce the Mycobacterium tuberculosis DosR Regulon?  

PubMed Central

The DosR regulon in Mycobacterium tuberculosis is involved in respiration-limiting conditions, its induction is controlled by two histidine kinases, DosS and DosT, and recent experimental evidence indicates DosS senses either molecular oxygen or a redox change. Under aerobic conditions, induction of the DosR regulon by DosS, but not DosT, was observed after the addition of ascorbate, a powerful cytochrome c reductant, demonstrating that DosS responds to a redox signal even in the presence of high oxygen tension. During hypoxic conditions, regulon induction was attenuated by treatment with compounds that occluded electron flow into the menaquinone pool or decreased the size of the menaquinone pool itself. Increased regulon expression during hypoxia was observed when exogenous menaquinone was added, demonstrating that the menaquinone pool is a limiting factor in regulon induction. Taken together, these data demonstrate that a reduced menaquinone pool directly or indirectly triggers induction of the DosR regulon via DosS. Biochemical analysis of menaquinones upon entry into hypoxic/anaerobic conditions demonstrated the disappearance of the unsaturated species and low-level maintenance of the mono-saturated menaquinone. Relative to the unsaturated form, an analog of the saturated form is better able to induce signaling via DosS and rescue inhibition of menaquinone synthesis and is less toxic. The menaquinone pool is central to the electron transport system (ETS) and therefore provides a mechanistic link between the respiratory state of the bacilli and DosS signaling. Although this report demonstrates that DosS responds to a reduced ETS, it does not rule out a role for oxygen in silencing signaling.

Honaker, Ryan W.; Dhiman, Rakesh K.; Narayanasamy, Prabagaran; Crick, Dean C.; Voskuil, Martin I.

2010-01-01

328

An active security protocol against DoS attacks  

Microsoft Academic Search

Denial of service (DoS) attacks represent, in today's Internet, one of the most complex issues to address. A session is under a DoS attack if it cannot achieve its intended throughput due to the misbehavior of other sessions. Many research studies dealt with DoS, proposing models and\\/or architectures mostly based on an attack prevention approach. Prevention techniques lead to different

Domenico Cotroneo; L. Peluso; Simon Pietro Romano; Giorgio Ventre

2002-01-01

329

Correlation between Teacher Turnover Rates in the State of Alaska and Standardized Test Scores in the Area of Mathematics on the Standards Based Assessments/High School Qualifying Exam  

ERIC Educational Resources Information Center

This study utilized bivariate correlations, partial correlations, multivariate analysis including Hotelling-T, and observed power to investigate the possible correlations and connections of teacher turnover in Alaska's public school system to performance on the standards-based assessment of the Alaska High School Qualifying Exam (HSQE). The study…

Roehl, Roy F., II

2010-01-01

330

Image quality in real-time teleultrasound of infant hip exam over low-bandwidth internet links: a transatlantic feasibility study.  

PubMed

Evolution of communication systems, especially internet-based technologies, has probably affected Radiology more than any other medical specialty. Tremendous increase in internet bandwidth has enabled a true revolution in image transmission and easy remote viewing of the static images and real-time video stream. Previous reports of real-time telesonography, such as the ones developed for emergency situations and humanitarian work, rely on high compressions of images utilized by remote sonologist to guide and supervise the unexperienced examiner. We believe that remote sonology could be also utilized in teleultrasound exam of infant hip. We tested feasibility of a low-cost teleultrasound system for infant hip and performed data analysis on the transmitted and original images. Transmission of data was accomplished with Remote Ultrasound (RU), a software package specifically designed for teleultrasound transmission through limited internet bandwidth. While image analysis of image pairs revealed statistically significant loss of information, panel evaluation failed to recognize any clinical difference between the original saved and transmitted still images. PMID:22847913

Martinov, Dobrivoje; Popov, Veljko; Ignjatov, Zoran; Harris, Robert D

2013-04-01

331

Computer-Based Internet-Hosted Assessment of L2 Literacy: Computerizing and Administering of the Oxford Quick Placement Test in ExamView and Moodle  

NASA Astrophysics Data System (ADS)

Sorting of Korean English-as-a-Foreign-Language (EFL) university students by Second Language (L2) aptitude allocates students to classes of compatible ability level, and was here used to screen candidates for interview. Paper-and-pen versions of the Oxford Quick Placement Test were adapted to computer-based testing via online hosting using FSCreations ExamView. Problems with their online hosting site led to conversion to the popular computer-based learning management system Moodle, hosted on www.ninehub.com. 317 sophomores were tested online to encourage L2 digital literacy. Strategies for effective hybrid implementation of Learning Management Systems in L2 tertiary education include computer-based Internet-hosted L2 aptitude tests. These potentially provide a convenient measure of student progress in developing L2 fluency, and offer a more objective and relevant means of teacher- and course-assessment than student evaluations, which tend to confuse entertainment value and teacher popularity with academic credibility and pedagogical effectiveness.

Meurant, Robert C.

332

Resist DoS attacks in UMTS-WLAN  

NASA Astrophysics Data System (ADS)

Wireless network is more vulnerable to denial of service (DoS) attacks than wired one. In this paper we propose two methods to resist DoS attacks in UMTS-WLAN network, one is active and the other is passive. These two are complementary to each other. In active DoS defense method, a mobile terminal generates an authorized anonymous ID (AAI) using its true ID such as IP address, MAC address, PIN code, or asymmetric key, and substitutes its true ID with the authorized anonymous ID. The mobile terminal may be authenticated by the UMTS-WLAN, however its true ID is anonymous to intending attackers. This method can be used to isolate de-authenticating/disassociating DoS attackers, spoofing power-save DoS attacker, etc. In passive DoS defense method, we propose a trace back scheme. We use covert channels in the header of mobile IP packets to trace back the malicious nodes by embedding some address information of intermediate nodes, and recovering the embedded information by the victim. After the victim successfully traces the attacking paths from malicious nodes, it can segregate the malicious nodes and protect itself. This method can be used to resist DoS attacks of mass-produced junk message congestions.

Qu, Huyu; Cheng, Qiang

2005-06-01

333

Keeping Kids Still during Exams  

MedlinePLUS

... saber acerca de... Nada produce más miedo a un padre que un hijo enfermo, especialmente si su hijo debe someterse ... cada vez más claves en la realización de un diagnóstico e inicio de tratamiento. Los tecnólogos radiológicos ...

334

SpaceTEC Exam Overview  

NSDL National Science Digital Library

This site is part of a suite of core readiness courses from SpaceTEC National Aerospace Technical Education Center. The center trains aerospace technicians and delivers examinations needed for certification. This site provides an overview of the aerospace program provided by the facility. Videos describing the program, its examination format and scoring, transcript process and information about payment are included.

2011-07-15

335

X-Ray Exam: Finger  

MedlinePLUS

... such as pain, tenderness, or swelling, or a deformity. It can detect broken bones or dislocated joints. ... protected with a lead shield. The technician will seat your child and position your child's hand on ...

336

X-Ray Exam: Forearm  

MedlinePLUS

... and symptoms such as pain, tenderness, swelling, or deformity of the forearm. It can detect broken bones, ... units (ICUs), and operating rooms. The technician will seat your child and position your child's forearm on ...

337

X-Ray Exam: Foot  

MedlinePLUS

What It Is A foot X-ray is a safe and painless test that uses a small amount of radiation to make an image of a person's foot. During the examination, an X-ray machine sends a beam of radiation through the ...

338

X-Ray Exam: Ankle  

MedlinePLUS

What It Is An ankle X-ray is a safe and painless test that uses a small amount of radiation to make an image of the ankle. The ... back part of the foot (tarsal bones). An X-ray machine sends a beam of radiation through the ...

339

X-Ray Exam: Hip  

MedlinePLUS

What It Is A hip X-ray is a safe and painless test that uses a small amount of radiation to make images of a person's hip joints ( ... attach to the pelvis). During the examination, an X-ray machine sends a beam of radiation through the ...

340

X-Ray Exam: Wrist  

MedlinePLUS

What It Is A wrist X-ray is a safe and painless test that uses a small amount of radiation to make an image of a person's wrist. During the examination, an X-ray machine sends a beam of radiation through the ...

341

Your Daughter's First Gynecological Exam  

MedlinePLUS

... be hesitant to confide in someone who has a connection to their mother. Ask her if she would like you to ... you having any problems with your period, such as pain or heavy bleeding? Do ... the importance of answering these questions truthfully, even though she ...

342

A Demonstration on Every Exam.  

ERIC Educational Resources Information Center

|Argues that inclusion of demonstrations on examinations increases students' ability to observe carefully the physical world around them, translate from observation in terms of models, and make quantitative estimates and physicist-type "back-of-the-envelope" calculations. Presents demonstration ideas covering the following topics: mechanics,…

Julian, Glenn M.

1995-01-01

343

Absenteeism and Undergraduate Exam Performance.  

ERIC Educational Resources Information Center

Investigates the relationship between student absenteeism during a principles of microeconomics course and subsequent performance on examinations. Finds that students who missed class on a given date were significantly more likely to respond incorrectly to questions relating to material covered that day than students who attended class. (RLH)

Marburger, Daniel R.

2001-01-01

344

DataPlus™ - a revolutionary applications generator for DOS hand ...  

Treesearch

Apr 3, 2013 ... Science.gov - We Participate · USA.gov Government Made Easy ... The user designs and tests the application on the desktop PC and then transfers it to a DOS field computer. Other features include: error checking, missing ...

345

Thorim Utilization in the Angra DOS Reis PWR.  

National Technical Information Service (NTIS)

A study was made on the use of thorium in the PWR Angra dos Reis 1 cell. Reactor calculations were made demostrating that a reduction in uranium ore comsuption of 30% is possible. (Atomindex citation 08:301655)

W. J. Oosterkamp F. Correa

1976-01-01

346

Physical exam and occult post-traumatic vascular lesions: implications for the evaluation and management of arterial injuries in modern warfare in the endovascular era.  

PubMed

Based on complexity of extremity wounds sustained in recent combat, arteriography had been used routinely in evaluations for delayed or occult arterial injuries. This report aims to quantitatively analyze the sensitivity and specificity of physical exam (PE) in predicting the presence of these injuries. United States service members sustaining extremity trauma in the Global War on Terrorism were evacuated to our medical center and evaluated by a senior vascular surgeon. Those with an abnormal PE, at risk based on wounding patterns, or previously treated for vascular injury underwent arteriography. Data from each patient were prospectively entered into a Vascular Injury registry. Comprehensive information about the injuries, interventions, arteriogram results, and any periprocedural complications were analyzed. Twenty-five endovascular or open surgical interventions were performed in forty-six of 99 patients that had lesions on arteriography. Seventy-three patients had a normal PE, of which 36 had lesions that prompted 6 subsequent interventions. Twenty-two of 26 patients with an abnormal PE had lesions that prompted 19 interventions. For PE, sensitivity was 38%, specificity was 90%, and positive predictive value (PPV) and negative predictive value (NPV) were 85% and 51%, respectively. In proximity injuries, PPV improved to 100%, but was only 15% sensitive with a NPV of 60%. In conclusion normal PE did not reliably predict post-traumatic arterial lesions in these military extremity injuries. These lesions are amenable to endovascular therapies, and should be considered in cases of complex trauma involving high amounts of energy, penetrating mechanisms, or wounding patterns in proximity to named vessels. PMID:17989627

Johnson, O N; Fox, C J; White, P; Adams, E; Cox, M; Rich, N; Gillespie, D L

2007-10-01

347

Computer viruses: ways of reproduction in MS-DOS  

Microsoft Academic Search

The methods used by computer viruses to reproduce themselves in IBM PC-compatibles operating under MS-DOS are studied. The results can be of use for classification of viruses and the creation of anti-virus tools. Viruses are examined under the following headings: irritating viruses, viruses that damage files, viruses that damage the file system and viruses that injure the hardware

S. I. Shoutkov; A. V. Spesivtsev

1991-01-01

348

When worlds collide - Mac to MS-DOS. [Data transfer to and from Apple Macintosh computers and MS-DOS based personal computers  

SciTech Connect

A number of methods and products, both hardware and software, to allow data exchange between Apple Macintosh computers and MS-DOS based systems. These included serial null modem connections, MS-DOS hardware and/or software emulation, MS-DOS disk-reading hardware and networking.

Busbey, A.B.

1989-04-01

349

MODELAGEM MATEMÁTICA DOS NÍVEIS D'ÁGUA NO RIO ARAGUAIA  

Microsoft Academic Search

Resumo - Este trabalho é pioneiro para a região Centro-Oeste do Brasil e visa ao aprofundamento da problemática do aproveitamento do Rio Araguaia como via navegável para transportar as safras de grãos das regiões Centro-Norte. O Programa de Desenvolvimento da Hidrovia Tocantins- Araguaia é uma iniciativa do Ministério dos Transportes para estabelecer a navegação fluvial confiável e segura em 2.242

Rone Antônio de Azevedo

350

Ultrafast ligand dynamics in the heme-based GAF sensor domains of the histidine kinases DosS and DosT from Mycobacterium tuberculosis†  

PubMed Central

The transcriptional regulator DosR from M. tuberculosis plays a crucial role in the virulence to dormancy transition of the pathogen. DosR can be activated by DosT and DosS, two histidine kinases with heme-containing sensor GAF domains, capable of diatomic ligand binding, To investigate the initial processes occurring upon ligand dissociation, we performed ultrafast time-resolved absorption spectroscopy of the isolated sensor domains ligated with O2, NO and CO. The results reveal a relatively closed heme pocket for both proteins. For DosT the yield of O2 escape from the heme pocket on the picoseconds timescale upon photodissociation was found to be very low (1.5%), similar to other heme-based oxygen sensor proteins, implying that this sensor acts as an effective O2 trap. Remarkably, this yield is an order of magnitude higher in DosS (18%). For CO, by contrast, the fraction of CO rebinding within the heme pocket is higher in DosS. Experiments with mutant DosT sensor domains and molecular dynamics simulations indicate an important role in ligand discrimination of the distal tyrosine, present in both proteins, which forms a hydrogen bond with heme-bound O2. We conclude that despite their similarity, DosT and DosS display ligand-specific different primary dynamics during the initial phases of intra-protein signaling. The distal tyrosine, present in both proteins, plays an important role in these processes.

Vos, Marten H.; Bouzhir-Sima, Latifa; Lambry, Jean-Christophe; Luo, Hao; Eaton-Rye, Julian J.; Ioanoviciu, Alexandra; Ortiz de Montellano, Paul R.; Liebl, Ursula

2011-01-01

351

Estudio dinámico de un potencial perturbador dependiente de dos parámetros  

NASA Astrophysics Data System (ADS)

El objeto del presente trabajo consiste en el estudio dinámico de un sistema dinámico caracterizado por la función hamiltoniana correspondiente a un satélite planetario perturbado por la acción del Sol y del achatamiento del planeta madre. Cuando dicha Hamiltoniana se promedia respecto de los términos de corto período, esta queda con dos grados de libertad, y su estudio puede ser realizado con las herramientas clásicas de la dinámica no-lineal. Se tratará de determinar regiones regulares y caóticas de movimiento. En el caso de estas últimas, es de particular interés la determinación de su orígen.

Miloni, O.; Brunini, A.

352

Surface air radon progeny at São José dos Campos, Brazil  

NASA Astrophysics Data System (ADS)

Radon is a noble gas naturally occurring in the atmosphere with its progeny. Such progeny can be divided into short- and long-lived daughters. In the winter and spring of 2004 a field campaign at São José dos Campos (SJC, 23.1° S, 45.5° W, 600 m above sea level) in Brazil was conducted to determine the outdoor concentration of the short-lived 218Po, 214Pb, and 214Bi and the long-lived 210Po. It was adopted the methodology of measuring the integrated counts of alpha particles from atmospheric aerosols captured on a cellulose membrane filter sampled with outdoor surface air. Integrated counts for the short-lived daughters at 3 different minute-based periods of time were carried out immediately after the end of sampling and applied to a system of 3 equations, whose solution is the short-lived daughters' air concentrations. For 210Po the air concentration was directly released from alpha counts and volume of probed air. Radionuclides' uncertainties were calculated too. Average values of volume activity (25±21) (1 standard deviation, sd), (6±4), and (4±2) Bq m -3 for 218Po, 214Pb, and 214Bi, respectively, and (81±30) ?Bq m -3 for 210Po were found in the campaign. Atmospheric parameters of temperature, humidity, precipitation, pressure, and wind were taken during sampling. Correlation with temperature and humidity were obtained at 95% confidence level.

Silva, A. A.; Claro, L. H.

353

The Dormancy Regulator DosR Controls Ribosome Stability in Hypoxic Mycobacteria*  

PubMed Central

It is thought that during latent infection, Mycobacterium tuberculosis bacilli are retained within granulomas in a low-oxygen environment. The dormancy survival (Dos) regulon, regulated by the response regulator DosR, appears to be essential for hypoxic survival in M. tuberculosis, but it is not known how the regulon promotes survival. Here we report that mycobacteria, in contrast to enteric bacteria, do not form higher-order structures (e.g. ribosomal dimers) upon entry into stasis. Instead, ribosomes are stabilized in the associated form (70S). Using a strategy incorporating microfluidic, proteomic, and ribosomal profiling techniques to elucidate the fate of mycobacterial ribosomes during hypoxic stasis, we show that the dormancy regulator DosR is required for optimal ribosome stabilization. We present evidence that the majority of this effect is mediated by the DosR-regulated protein MSMEG_3935 (a S30AE domain protein), which is associated with the ribosome under hypoxic conditions. A ?3935 mutant phenocopies the ?dosR mutant during hypoxia, and complementation of ?dosR with the MSMEG_3935 gene leads to complete recovery of dosR mutant phenotypes during hypoxia. We suggest that this protein is named ribosome-associated factor under hypoxia (RafH) and that it is the major factor responsible for DosR-mediated hypoxic survival in mycobacteria.

Trauner, Andrej; Lougheed, Kathryn E. A.; Bennett, Mark H.; Hingley-Wilson, Suzanne M.; Williams, Huw D.

2012-01-01

354

33 CFR 105.245 - Declaration of Security (DoS).  

Code of Federal Regulations, 2013 CFR

...for requesting a DoS and for handling DoS requests from a vessel. (b) At MARSEC Level 1, a facility receiving a cruise ship or a manned vessel carrying Certain Dangerous Cargo, in bulk, must comply with the following: (1)...

2013-07-01

355

Preventive Visit and Yearly Wellness Exams  

MedlinePLUS

... A calculation of your body mass index A simple vision test A review of your potential risk for depression and your level of safety An offer to talk with you about creating advance directives . A written plan letting you know which screenings, shots, and other ...

356

X-Ray Exam: Femur (Upper Leg)  

MedlinePLUS

... asked to remove some clothing, jewelry, or any metal objects that might interfere with the image. If your daughter is pregnant, it's important to tell the X-ray technician or her doctor. X-rays are usually avoided during pregnancy because there's a small chance the radiation may ...

357

Analysis of SWO Fundamentals Exam Scores.  

National Technical Information Service (NTIS)

Since August 2008, the newly commissioned Surface Warfare Officer (SWO) has been trained for SWO qualification through the INTRO/ASAT program. Through this program, USNA and NROTC officers check onto their first ship and subsequently attend a five-week in...

J. M. Bradley

2011-01-01

358

X-Ray Exam: Neck (For Parents)  

MedlinePLUS

What It Is A neck X-ray is a safe and painless test that uses a small amount of radiation to make images of the soft tissues in the neck. During the examination, an X-ray machine sends a beam of radiation through the ...

359

The USAF Academy Basic Physics Exam File.  

ERIC Educational Resources Information Center

|Describes the purpose, construction, use, maintenance, and improvement of a basic physics examination file by the U.S. Air Force Academy. Includes nine sample objectives, two multiple-choice items, and an example of computer item analysis. (SK)|

Enger, Rolf C.

1981-01-01

360

Underactuated comanipulation for ultrasound breast exams.  

PubMed

We investigate the possibility of providing adequate task assistance using under-actuated robots for human-robot tool co-manipulation. This novel approach optimizes robot-user synergy without taking into account any a priori knowledge of parameters depending on the user. Six different actuation modes were compared for a localization and scanning task. The best performance gain was achieved for 1 degree of under-actuation. PMID:24110826

Marx, Anja; Vitrani, Marie-Aude; Muller, Serge; Morel, Guillaume

2013-07-01

361

Radiation Exposure from Medical Exams and Procedures  

MedlinePLUS

... nuclear medicine. The NCRP, the American College of Radiology, the World Health Organization, and others are working ... W, Yoshizumi TT, Mahesh M. Effective doses in radiology and diagnostic nuclear medicine: A catalog. Radiology 248( ...

362

X-Ray Exam: Cervical Spine  

MedlinePLUS

... the bones, appear white on the X-ray image. Hollow body parts, such as the airways, allow X-ray ... lead apron to protect certain parts of your body. Your child's reproductive ... few minutes while the images are processed. If any are blurred or unclear, ...

363

Optimizing Honor Codes For Online Exam Administration  

Microsoft Academic Search

This study examined self-reported academic dishonesty at a mid-sized public university. Students (N = 492) rated the likelihood they would cheat after accepting to abide by each of eight honor code pledges before internet based assignments and examinations. The statements were derived from honor pledges used by different universities across the United States and varied in length, formality, and the

Regan A. R. Gurung; Tiffany M. Wilhelm; Tonya Filz

2011-01-01

364

Optimizing Honor Codes for Online Exam Administration  

Microsoft Academic Search

This study examined self-reported academic dishonesty at a midsize public university. Students (N = 492) rated the likelihood they would cheat after accepting to abide by each of eight honor code pledges before Internet-based assignments and examinations. The statements were derived from honor pledges used by different universities across the United States and varied in length, formality, and the extent

Regan A. R. Gurung; Tiffany M. Wilhelm; Tonya Filz

2012-01-01

365

Utilizing Online Exams: A Case Study  

ERIC Educational Resources Information Center

|Technology has opened a wide range of possibilities for the college classroom. Thus, the classroom has changed in a variety of ways. Some courses have been converted to fully online courses. Students and instructors do not have any face-to-face contact in these courses. Other courses have converted a portion of their courses to online. These…

Schmidt, Stacy M. P.; Ralph, David L.; Buskirk, Bruce

2009-01-01

366

Exam Question Exchange: Potential Energy Surfaces.  

ERIC Educational Resources Information Center

|Presents three examination questions, graded in difficulty, that explore the topic of potential energy surfaces using a diagrammatic approach. Provides and discusses acceptable solutions including diagrams. (CW)|

Alexander, John J., Ed.

1988-01-01

367

Theoretical Exam on the Human Trafficking Crime  

Microsoft Academic Search

Human trafficking is a crime against personal liberty, committed by traffickers for exploitation and can involve or not the crossing borders phenomenon as a complex one, consisting of a variety of forms of expression and it allow gradual sanctions, depending on the gravity of the offending statements. Human trafficking is the recruitment, transportation, transfer, housing or receipt of persons, by

Cornel Petre Filip

2010-01-01

368

Comprehensive Written Exams: Questions and Answers.  

ERIC Educational Resources Information Center

|This document contains four papers that are answers to comprehensive examination questions of a doctoral student in instructional technology. The first paper, "Federal Support and Funding of School Library Media Programs into the 21st Century," includes sections on why federal support and funding are needed, how school library media programs…

Hardy, Janice Valerye

369

33 CFR 104.255 - Declaration of Security (DoS).  

Code of Federal Regulations, 2013 CFR

... 2013-07-01 false Declaration of Security (DoS). 104.255 Section 104.255 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY MARITIME SECURITY MARITIME SECURITY: VESSELS Vessel...

2013-07-01

370

Measurements of degree of sensitization (DoS) in aluminum alloys using EMAT ultrasound.  

PubMed

Sensitization in 5XXX aluminum alloys is an insidious problem characterized by the gradual formation and growth of beta phase (Mg(2)Al(3)) at grain boundaries, which increases the susceptibility of alloys to intergranular corrosion (IGC) and intergranular stress-corrosion cracking (IGSCC). The degree of sensitization (DoS) is currently quantified by the ASTM G67 Nitric Acid Mass Loss Test, which is destructive and time consuming. A fast, reliable, and non-destructive method for rapid detection and the assessment of the condition of DoS in AA5XXX aluminum alloys in the field is highly desirable. In this paper, we describe a non-destructive method for measurements of DoS in aluminum alloys with an electromagnetic acoustic transducer (EMAT). AA5083 aluminum alloy samples were sensitized at 100°C with processing times varying from 7days to 30days. The DoS of sensitized samples was first quantified with the ASTM 67 test in the laboratory. Both ultrasonic velocity and attenuation in sensitized specimens were then measured using EMAT and the results were correlated with the DoS data. We found that the longitudinal wave velocity was almost a constant, independent of the sensitization, which suggests that the longitudinal wave can be used to determine the sample thickness. The shear wave velocity and especially the shear wave attenuation are sensitive to DoS. Relationships between DoS and the shear velocity, as well as the shear attenuation have been established. Finally, we performed the data mining to evaluate and improve the accuracy in the measurements of DoS in aluminum alloys with EMAT. PMID:21232777

Li, Fang; Xiang, Dan; Qin, Yexian; Pond, Robert B; Slusarski, Kyle

2010-12-24

371

Establishment and Characterization of a Human Ovarian Neoplastic Cell Line, DOs  

Microsoft Academic Search

A permanent human neoplastic cell line, DO-s, was established from ascites of a patient with a well-differentiated mucinous cyst-adenocarci- numa of the ovary. This cell line grew as vermiform, floating colonies of epithelial cells in culture. The karyotype of DO-s was of a human female; the chromosome number ranged from 54 to 66 with several abnormalities, mainly trisomy. Epithelial-like character

Tony W. Briers; Patricia Stroobants; Tanja M. Vandeputte; Etienne J. Nouwen; M. Viviane; Gerard Eestermans; D. Van Bockstaele; E. De Broe

372

Non-invasive tissue temperature measurements based on quantitative diffuse optical spectroscopy (DOS) of water  

NASA Astrophysics Data System (ADS)

We describe the development of a non-invasive method for quantitative tissue temperature measurements using Broadband diffuse optical spectroscopy (DOS). Our approach is based on well-characterized opposing shifts in near-infrared (NIR) water absorption spectra that appear with temperature and macromolecular binding state. Unlike conventional reflectance methods, DOS is used to generate scattering-corrected tissue water absorption spectra. This allows us to separate the macromolecular bound water contribution from the thermally induced spectral shift using the temperature isosbestic point at 996 nm. The method was validated in intralipid tissue phantoms by correlating DOS with thermistor measurements (R = 0.96) with a difference of 1.1 ± 0.91 °C over a range of 28-48 °C. Once validated, thermal and hemodynamic (i.e. oxy- and deoxy-hemoglobin concentration) changes were measured simultaneously and continuously in human subjects (forearm) during mild cold stress. DOS-measured arm temperatures were consistent with previously reported invasive deep tissue temperature studies. These results suggest that DOS can be used for non-invasive, co-registered measurements of absolute temperature and hemoglobin parameters in thick tissues, a potentially important approach for optimizing thermal diagnostics and therapeutics.

Chung, S. H.; Cerussi, A. E.; Merritt, S. I.; Ruth, J.; Tromberg, B. J.

2010-07-01

373

A study of lasing wavelength by DOS in the temperature-tunable cholesteric liquid crystal lasers  

NASA Astrophysics Data System (ADS)

For the dye-doped cholesteric liquid crystal (CLC) laser system, we established the relationship between the density of optical state (DOS) and temperature based on the transmission coefficient of the CLC, and calculated the change of DOS distribution with the temperature that results in tunable lasing wavelength. The simulation was further verified by the experiment and it was found that the laser emission wavelength from the dye-doped CLC can be tuned from 662 to 622 nm by the temperature, which is in good agreement with our proposed theory.

Wu, Rina; Li, Yong; Wu, Jie; Ma, Ji; Dai, Qin

2013-07-01

374

Reagent based DOS: A "Click, Click, Cyclize" strategy to probe chemical space†  

PubMed Central

The synthesis of small organic molecules as probes for discovering new therapeutic agents has been an important aspect of chemical-biology. Herein we report a reagent-based, diversity-oriented synthetic (DOS) strategy to probe chemical and biological space via a “Click, Click, Cyclize” protocol. In this DOS approach, three sulfonamide linchpins underwent cyclization protocols with a variety of reagents to yield a collection of structurally diverse S-heterocycles. In silico analysis is utilized to evaluate the diversity of the compound collection against chemical space (PC analysis), shape space (PMI) and polar surface area (PSA) calculations.

Rolfe, Alan; Lushington, Gerald. H.

2010-01-01

375

Reagent based DOS: a "Click, Click, Cyclize" strategy to probe chemical space.  

PubMed

The synthesis of small organic molecules as probes for discovering new therapeutic agents has been an important aspect of chemical-biology. Herein we report a reagent-based, diversity-oriented synthetic (DOS) strategy to probe chemical and biological space via a "Click, Click, Cyclize" protocol. In this DOS approach, three sulfonamide linchpins underwent cyclization protocols with a variety of reagents to yield a collection of structurally diverse S-heterocycles. In silico analysis is utilized to evaluate the diversity of the compound collection against chemical space (PC analysis), shape space (PMI) and polar surface area (PSA) calculations. PMID:20401396

Rolfe, Alan; Lushington, Gerald H; Hanson, Paul R

2010-03-16

376

Teoria e institucionalização dos sistemas partidários após a terceira onda de democratização  

Microsoft Academic Search

Resumo Este artigo examina duas diferenças entre os sistemas partidários das democracias industriais avançadas e os de países menos desenvolvidos, particularmente em termos do nível de institucionalização. O argumento geral é que os sistemas partidários dos países menos desenvolvidos são menos institucionalizados. De modo mais específico, mostramos primeiro que a maioria das democracias e semi-democracias em países menos desenvolvidos têm

Scott Mainwaring; Mariano Torcal

2005-01-01

377

Dynamics of Stratospheric Winds in the Southern Hemisphere Dinamica DOS Ventos Estratosfericos No Hemisferio Sul.  

National Technical Information Service (NTIS)

High altitude balloons were used to study the characteristics of stratospheric wind dynamics in the southern hemisphere. Emphasis was placed on data obtained for the areas of San Jose dos Campos, and San Paulo, Brazil for the months of October 1976 to Feb...

I. M. Martin N. A. Buivan

1977-01-01

378

CONDICIONANTES FÍSICOS E IMPACTOS DOS TORNADOS DO FINAL DE MARÇO DE 2006 NO INTERIOR PAULISTA  

Microsoft Academic Search

RESUMO: O estudo avaliou as condições atmosféricas que propiciaram a ocorrência de tornados em 29 de março de 2006 em Piracicaba e Santa Bárbara d'Oeste, assim como as características físicas dos locais. Levantou, ainda, os impactos causados em fontes diversas da imprensa, prefeituras e defesa civil, e por meio de questionários, a percepção da população. Em Santa Bárbara d'Oeste foram

Luci Hidalgo Nunes; Daniel Henrique Candido

379

Infrared and Isotopic Evidence for Diagenesis of Bone Apatite at Dos Pilas, Guatemala: Palaeodietary Implications  

Microsoft Academic Search

The use of stable carbon isotopic analysis of bone apatite to reconstruct prehistoric diets is hindered by the possibility of diagenetic alteration of carbonate during burial. We examine apatite preservation in Classic Period Maya skeletal remains from Dos Pilas, Guatemala, using Fourier transform infrared spectroscopy (FTIR). We use weight % CO2evolved from apatite, FTIR carbonate\\/phosphate absorbance ratios, phosphate peak splitting

Lori E. Wright; Henry P. Schwarcz

1996-01-01

380

Function, regulation and pathological roles of the Gab/DOS docking proteins  

PubMed Central

Since their discovery a little more than a decade ago, the docking proteins of the Gab/DOS family have emerged as important signalling elements in metazoans. Gab/DOS proteins integrate and amplify signals from a wide variety of sources including growth factor, cytokine and antigen receptors as well as cell adhesion molecules. They also contribute to signal diversification by channelling the information from activated receptors into signalling pathways with distinct biological functions. Recent approaches in protein biochemistry and systems biology have revealed that Gab proteins are subject to complex regulation by feed-forward and feedback phosphorylation events as well as protein-protein interactions. Thus, Gab/DOS docking proteins are at the centre of entire signalling subsystems and fulfil an important if not essential role in many physiological processes. Furthermore, aberrant signalling by Gab proteins has been increasingly linked to human diseases from various forms of neoplasia to Alzheimer's disease. In this review, we provide a detailed overview of the structure, effector functions, regulation and evolution of the Gab/DOS family. We also summarize recent findings implicating Gab proteins, in particular the Gab2 isoform, in leukaemia, solid tumours and other human diseases.

2009-01-01

381

Satellite Remote Sensing of Turbidity and Sediment Concentration in Lagoa dos Patos (Abstract Only).  

National Technical Information Service (NTIS)

The use of LANDSAT Multispectral Scanner (MSS) digital imagery for mapping water turbidity and suspended sediment in Lagoa dos Patos, Rio Grande do Sul was investigated. Field measurements were taken form vessels in a test area, Saco De Tapes when there w...

J. Taylor V. Patel A. Belward L. Beltrame M. Goncalves

1986-01-01

382

Urban forest and environmental inequality in Campos dos Goytacazes, Rio de Janeiro, Brazil  

Microsoft Academic Search

Social and spatial inequality regarding environmental resources and services is one of most complex issues affecting contemporary urban life. The objective of this research is to study the spatial distribution of trees in public areas in Campos dos Goytacazes, Rio de Janeiro, Brazil. This research presents data gathered in ten neighborhoods in Campos. These neighborhoods were split into three distinct

Marcos A. Pedlowski; Victor Andrade Carneiro Da Silva; Janie Jasmim Corabi Adell; Nikolas C. Heynen

2002-01-01

383

POLÍTICAS PÚBLICAS E AÇÕES POPULARES: O CASO DOS ALAGADOS - SALVADOR\\/BA  

Microsoft Academic Search

Resumo: Esta pesquisa analisa o papel das políticas públicas no processo de produção do solo urbano nos Alagados e as implicações dos movimentos populares reivindicando seu direito à cidade. Parte-se do princípio de que tais intervenções do Estado e da comunidade foram relevantes para a continuidade da luta pela morada e pela vida nos Alagados. Busca-se desvendar as contradições das

Janio Santos

2005-01-01

384

Comparación de la citotoxicidad del amaranto en dos líneas celulares de mamífero utilizando bioensayos colorimétricos rápidos  

Microsoft Academic Search

Resumen: El amaranto es un colorante de color rojo amplia- mente utilizado en alimentación y cosmética. En la bibliografía consultada no se han encontrado referencias sobre la citotoxici- dad de este colorante por lo que se ha creído oportuno abordar su estudio. Este estudio se ha llevado a cabo en dos líneas celu- lares de naturaleza fibroblástica: línea celular 3T3

Santa María A; López A; Díaz MM; Ortiz AI

2001-01-01

385

Avaliação da satisfação dos usuários de serviços de Fisioterapia Evaluation of Physical Therapy service user satisfaction  

Microsoft Academic Search

Resumo Objetivo: Caracterizar o perfi l sociodemográfi co e avaliar a satisfação dos usuários de serviços de Fisioterapia em Teresina (PI), com relação à agilidade para agendamento da consulta e atendimento, acolhimento, confi ança, ambiência, humanização, acessibilidade, efi cácia e expectativa sobre os serviços recebidos. Materiais e métodos: A amostra foi constituída por 376 pacientes selecionados em três clínicas de

Machado NP; Nogueira LT

386

Proximal segment position after distraction with the MD-DOS device  

Microsoft Academic Search

We investigated cephalometrically the movement of the proximal segment in the sagittal plane in patients treated with distraction (MD-DOS device) for mandibular lengthening. The proximal segment was anteriorly rotated, whilst the distal segment was posteriorly rotated after the lengthening procedure. Thus the angle of the jaw was advanced half the distance of the advancement of the distal segment. One possible

Kristoffel Hendrickx; Maurice Y. Mommaerts; Walter Jacobs; Johan V. S. Abeloos; Lucas F. Neyt; Calix A. S. De Clercq

1999-01-01

387

Distillation Codes and Applications to DoS Resistant Multicast Authentication  

Microsoft Academic Search

Abstract: We introduce distillation codes, a method for streamingand storing data. Like erasure codes, distillation codesallow information to be decoded from a sufficiently largequorum of symbols. In contrast to erasure codes, distillationcodes are robust against pollution attacks, a powerfulclass of denial of service (DoS) attacks in which adversariesinject invalid symbols during the decoding process.We examine applications of distillation codes to

Chris Karlof; Naveen Sastry; Yaping Li; Adrian Perrig; J. D. Tygar

2004-01-01

388

ANÁLISE COMPARATIVA DOS FICOCOLÓIDES PRODUZIDOS POR ALGAS CARRAGENÓFITAS USADAS INDUSTRIALMENTE E ALGAS CARRAGENÓFITAS PORTUGUESAS  

Microsoft Academic Search

Palavras-chave : macroalgas, ficocolóides, carragenanas, FTIR-ATR, FT-Raman Resumo: As Carragenanas (E-407) constituem um dos principais aditivos usados pela indústria alimentar, como agentes gelificantes, emulsionantes, estabilizantes e espessantes. São ingredientes naturais, usados há várias décadas na área alimentar e são considerados como seguros, tendo obtido a classificação GRAS ( Generally Recognised As Safe ). Neste trabalho foram analisadas a percentagem de

Leonel Pereira; Alan T. Critchley; Ana M. Amado; Paulo J. A. Ribeiro-Claro

389

Pygmy Rice Rat as Potential Host of Castelo dos Sonhos Hantavirus  

PubMed Central

To study the dynamics of wild rodent populations and identify potential hosts for hantavirus, we conducted an eco-epidemiologic study in Campo Novo do Parecis, Mato Grosso State, Brazil. We detected and genetically characterized Castelo dos Sonhos virus found in a species of pygmy rice rat (Oligoryzomys utiaritensis).

Travassos da Rosa, Elizabeth S.; Medeiros, Daniele B. A.; Nunes, Marcio R.T.; Simith, Darlene B.; Pereira, Armando de Souza; Elkhoury, Mauro R.; Lavocat, Marilia; Marques, Aparecido A.R.; Via, Alba Valeria; D'Andrea, Paulo; Bonvicino, Cibele R.; Lemos, Elba Regina S.

2011-01-01

390

Epiderme dos segmentos foliares de Mauritia flexuosa L. f. (Arecaceae) em três fases de desenvolvimento  

Microsoft Academic Search

RESUMO São apresentados os dados anatômicos da epiderme dos segmentos foliares de Mauritia flexuosa L. f. (Arecaceae) em três fases do desenvolvimento. Os segmentos foliares foram analisados em toda a extensão do limbo. As células intercostais da epiderme das faces adaxial e abaxial evidenciam-se com paredes sinuosas, retangulares e orientadas longitudinalmente em relação ao eixo do segmento foliar com acentuada

Mahedy Araújo Bastos Passos; Maria Sílvia de Mendonça

2006-01-01

391

On the impact of DoS attacks on Internet traffic characteristics and QoS  

Microsoft Academic Search

The Internet is on the way of becoming the universal communication network, and then needs to provide various services with guaranteed quality for all kinds of applications. Denial of service (DoS) attacks are then more efficient in a guaranteed multi-services network than in the \\

Philippe OWEZARSKI

2005-01-01

392

Colze de tennis (tendinosi epicondília externa): tractament esclerosant ecoguiat amb polidocanol. A propòsit de dos casos  

Microsoft Academic Search

Dos pacients (2 homes de 42 i 55 anys) amb tendinosi epicondília externa dolorosa van ser tractats mitjançant un tractament innovador que es basa en l'esclerosi amb Polidocanol, un agent esclerosant, ecoguiada amb Power Color (PC) mitjançant Doppler color de polidocanol, un agent esclerosant. Després del tractament va haver-hi una marcada reducció del dolor recollida mitjançant una escala analògica visual

Guillermo Álvarez Rey; Ignacio Álvarez Rey; Guillermo Álvarez Bustos

2006-01-01

393

MONITORAMENTO DOS NINHOS ARTIFICIAIS INSTALADOS PARA AS ARARAS-AZUIS (Anodorhynchus hyacinthinus)  

Microsoft Academic Search

Ameaçada de extinção e com baixa taxa reprodutiva, um dos fatores limitantes à reprodução da arara-azul Anodorhynchus hyacinthinus, no Pantanal é a escassez de cavidades em árvores. Além disso, no mesmo período de reprodução das araras-azuis outras espécies de aves estão se reproduzindo e a disputa pelos ninhos é grande. Para minimizar este fator, instalamos 70 ninhos artificiais, no período

Rua Klaus Sturk; Jd Mansur; Neiva Maria; R. Guedes; Torborg Berge; Vanessa M. B; Márcia M. Volpe; Carolina Ribas; Arara Azul

394

Low-Budget, Cost-Effective OCR: Optical Character Recognition for MS-DOS Micros.  

ERIC Educational Resources Information Center

Discusses optical character recognition (OCR) for use with MS-DOS microcomputers. Cost effectiveness is considered, three types of software approaches to character recognition are explained, hardware and operation requirements are described, possible library applications are discussed, future OCR developments are suggested, and a list of OCR…

Perez, Ernest

1990-01-01

395

Análise dos Conceitos Astronômicos Apresentados por Professores de Algumas Escolas Estaduais Brasileiras  

NASA Astrophysics Data System (ADS)

A razão para o desenvolvimento deste trabalho baseia-se no fato de que muitos professores da Educação Básica (EB) não lidam com conceitos relacionados à astronomia, e quando o fazem eles simplesmente seguem livros didáticos que podem conter erros conceituais. Como é de conhecimento geral a astronomia é um dos conteúdos a serem ensinados na EB fazendo parte dos Parâmetros Curriculares Nacionais e das Propostas Curriculares do Estado de São Paulo, mas é um fato, que vários pesquisadores apontam, a existência de muitos problemas no ensino da astronomia. Com o propósito de minimizar algumas dessas deficiências foi realizado um trabalho de pesquisa com a utilização de questionários pré e pós pesquisa, para tanto foi desenvolvido um Curso de Extensão Universitária para professores da Diretoria de Ensino Regional (DE) que abrange Mauá, Ribeirão Pires e Rio Grande da Serra (no Estado de São Paulo) com os seguintes objetivos: levantar concepções alternativas; subsidiar os professores por meio de palestras, debates e workshops, e verificar o sucesso da aprendizagem após o curso, adotando-se como referência, para a análise dos resultados, os dicionários de Língua Portuguesa (FERREIRA, 2004) e Enciclopédico de Astronomia e Astronáutica (MOUR?O, 1995). Portanto, dezesseis questões foram aplicadas antes e após o curso, assim pode-se verificar após a pesquisa que 100,0% dos professores sabiam os nomes das fases da Lua, 97,0% entenderam que o Sistema Solar é composto por oito planetas, 78,1% foram capazes de explicar como ocorre um eclipse lunar, um eclipse solar e um solstício, 72,7% sabiam como explicar a ocorrência das estações do ano; 64,5% explicaram corretamente a ocorrência do equinócio, 89,7% foram capazes de definir adequadamente o termo cometa; 63,6% definiram asteróide, 54,5% meteoro, 58,1% galáxia, e 42,4% planeta. Os resultados obtidos indicam uma aprendizagem significativa por parte dos participantes.

Voelzke, Marcos Rincon; Gonzaga, Edson Pereira

2011-12-01

396

First report of White spot syndrome virus in farmed and wild penaeid shrimp from lagoa dos patos estuary, southern brazil.  

PubMed

In this study, we detected White spot syndrome virus (WSSV) in wild Farfantepenaeus paulensis collected in the Lagoa dos Patos estuary and cultivated Litopenaeus vannamei. This is the first report of WSSV in F. paulensis from Lagoa dos Patos and farmed L. vannamei shrimps in Rio Grande do Sul. PMID:24031739

Cavalli, Lissandra Souto; Romano, Luis Alberto; Marins, Luis Fernando; Abreu, Paulo César

2011-09-01

397

Determinação espectrométrica dos flavonóides das folhas de Maytenus (Celastraceae) e de Passiflora (Passifloraceae) e comparação com método CLAE-UV  

Microsoft Academic Search

RESUMO: Este trabalho apresenta uma modificação dos procedimentos descritos nas Farmacopéias Francesa e Européia para a análise de flavonoides de Passiflora incarnata L., Passifloraceae, por espectrometria UV-Visível e propõe a sua aplicação na determinação dos flavonoides totais das folhas da espinheira-santa (Maytenus aquifolium Mart. e Maytenus ilicifolia (Schrad.) Planch., Celastraceae) e do maracujá (Passiflora edulis Sims. e Passiflora alata Curtis,

Regina de A. O. Chabariberi; Alessandra C. S. Pozzi; Maria Luiza Zeraik; Janete H. Yariwake

2009-01-01

398

AVALIAÇÃO DE PROCEDÊNCIAS E PROGÊNIES DE LIQUIDAMBAR DA AMÉRICA CENTRAL, DO MÉXICO E DOS ESTADOS UNIDOS, EM AGUDOS, BRASIL  

Microsoft Academic Search

Foi instalado um teste de procedência e progênie de Liquidambar styraciflua L. em Agudos, SP, em solo de areia quartzosa. Os materiais genéticos foram fornecidos pelo Oxford Forestry Institute, incluindo doze procedências da Guatemala, Honduras, Nicarágua, México e dos Estados Unidos, sendo testados juntamente com uma testemunha local, com duas a dez progênies por procedência. Medições efetuadas dos quatro até

Jarbas Y. Shimizu; Ivana H. Z. Spir

399

Observational Assessment of Preschool Disruptive Behavior, Part II: Validity of the Disruptive Behavior Diagnostic Observation Schedule (DB-DOS)  

ERIC Educational Resources Information Center

A study is conducted to determine whether the multidomain, multicontext Disruptive Behavior Diagnostic Observation Schedule (DB-DOS) is a valid observational method for assessing disruptive behavior of preschool children. It is concluded that the DB-DOS is a valid method for a direct observational assessment of clinically significant disruptive…

Wakschlag, Lauren S.; Briggs-Gowan, Margaret J.; Hill, Carri; Danis, Barbara; Leventhal, Bennett L.; Keenan, Kate; Egger, Helen L.; Cicchetti, Domenic; Burns, James; Carter, Alice S.

2008-01-01

400

First report of White spot syndrome virus in farmed and wild penaeid shrimp from lagoa dos patos estuary, southern brazil  

PubMed Central

In this study, we detected White spot syndrome virus (WSSV) in wild Farfantepenaeus paulensis collected in the Lagoa dos Patos estuary and cultivated Litopenaeus vannamei. This is the first report of WSSV in F. paulensis from Lagoa dos Patos and farmed L. vannamei shrimps in Rio Grande do Sul.

Cavalli, Lissandra Souto; Romano, Luis Alberto; Marins, Luis Fernando; Abreu, Paulo Cesar

2011-01-01

401

AVALIAÇÃO DOS RISCOS DE ACIDENTES EM ATIVIDADES DE PODA DE ÁRVORES NA ARBORIZAÇÃO URBANA DO DISTRITO FEDERAL1  

Microsoft Academic Search

RESUMO - Esta pesquisa teve por objetivo avaliar os riscos de acidentes em atividades de poda de árvores na arborização urbana do Distrito Federal. A coleta de dados foi feita com a aplicação de um questionário em forma de entrevista individual. Responderam ao questionário 94% dos funcionários, sendo 92% do total dos operadores de motosserra e 95% do total de

Nilton César Fiedler; Eduardo Hideki Sone; Ailton Teixeira do Vale; José de Fátima Juvêncio; Luciano José Minette

402

Protecting Web Services against DoS Attacks: A Case-Based Reasoning Approach  

NASA Astrophysics Data System (ADS)

The real-time detection is a key factor to detect and block DoS attacks within Web services. DoS attacks can be generated for different techniques that take advantage of points vulnerable within Web services. This paper describes a novel proposal based on a real time agent to classify user requests and detect and block malicious SOAP messages. The classification mechanism is based on a Case-Base Reasoning (CBR) model, where the different CBR phases are time bounded. Within the reuse phase of the CBR cycle is incorporated a mixture of experts to choose the most suitable technique of classification depending on the feature of the attack and the available time to solve the classification. A prototype of the architecture was developed and the results obtained are presented in this study.

Pinzón, Cristian; de Paz, Juan F.; Zato, Carolina; Pérez, Javier

403

Mitigating DoS Attacks on the Paging Channel by Efficient Encoding in Page Messages  

NASA Astrophysics Data System (ADS)

Paging is an important mechanism for network bandwidth efficiency and mobile terminal battery life. It has been widely adopted by mobile networks, such as cellular networks, WiMax, and Mobile IP. Due to certain mechanisms for achieving paging efficiency and the convergence of wireless voice and data networks, the paging channel is vulnerable to inexpensive DoS attacks. To mitigate these attacks, we propose to leverage the knowledge of the user population size, the slotted nature of the paging operation, and the quick paging mechanism to reduce the length of terminal identifiers. In the case of a CDMA2000 system, we can reduce each identifier from 34 bits down to 7 bits, effectively doubling the paging channel capacity. Moreover, our scheme incurs no paging latency, missed pages, or false pages. Using a simulator and data collected from a commercial cellular network, we demonstrate that our scheme doubles the cost for DoS attackers.

Cai, Liang; Maganis, Gabriel; Zang, Hui; Chen, Hao

404

Determinação de elementos próprios dos asteróides troianos: comparação entre as teorias semi-analítica e sintética  

NASA Astrophysics Data System (ADS)

Além do cálculo semi-analítico de elementos próprios dos asteróides Troianos (Beaugé & Roig 2001, Icarus 153, 391), recentemente foi apresentado um novo conjunto destes elementos próprios determinado através de uma teoria sintética (Knenezevic & Milani 2003, comunicação pessoal). As bases de dados contendo estas determinações estão disponiveis na pagina web do Asteroid Dynamical Site (http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo). Nesta comunicação apresentamos os primeiros resultados de um estudo comparativo entre ambos conjuntos de elementos próprios, analisando suas vantagens e desvantagens, assim como os limites de precisão de cada conjunto. Mostramos que os elementos próprios sintéticos são mais precisos que os smi-analíticos para grandes amplitudes de libração do ângulo s = l-lJup, embora acontece o contrario para os corpos cuja amplitude de libração é muito pequena. Finalmente discutimos a influencia destes erros na determinação de familias de asteroides e da estrutura resonante em torno dos pontos Lagrangeanos L4 e L5.

Roig, F.; Beaugé, C.

2003-08-01

405

Slave Communities and Pottery Variability in Western Brazil: The Plantations of Chapada dos Guimarães  

Microsoft Academic Search

In the region of Chapada dos Guimarães, Western Brazil, planters relied heavily on slave labor during the eighteenth and nineteenth\\u000a centuries. In this article, we examine the locally produced pottery found on slaves contexts in five rural sites of this region.\\u000a Based in data from probate inventories and the pottery decorative variability we suggest that slaves used decorated pottery\\u000a to

Marcos André Torres de Souza; Luís Cláudio Pereira Symanski

2009-01-01

406

A Comparison of Three LISP Interpreters for MS-DOS-Based Microcomputers  

PubMed Central

We report a comparison of three commercially available LISP interpreters running on MS-DOS-based microcomputers. Marked differences were found between the different products' memory addressing abilities, error handling and debugging facilities. Editing tools, tutoring environments, windowing, graphic capabilities, operating system and port call facilities are also contrasted. Speed was tested via a group of LISP functions (benchmarks) that attempt to isolate list manipulation, iteration, function calling, recursion and mathematical calculation performance.

Kahane, Stephen N.; Johannes, Richard S.

1985-01-01

407

Sm-Nd-Pu timepieces in the Angra DOS Reis meteorite  

Microsoft Academic Search

Isotope ratios and age estimations are presented for the ultramafic pyroxenite Angra dos Reis meteorite. A pyroxene-phosphate internal isochron age of 4.55 plus or minus 0.04 eons was obtained, in agreement with reported Pb-Pb ages. It is suggested that Sm-146 decay led to an increase in the ratio of Nd-142 to Nd-144 in pyroxene, which is greater than the ratio

G. W. Lugmair; K. Marti

1977-01-01

408

Age and isotopic relationships among the angrites Lewis Cliff 86010 and Angra DOS Reis  

Microsoft Academic Search

The paper presents results of a wide-ranging isotopic investigation of the the Antarctic angrite LEW-86010 (LEW), and reassesses the type angrite Angra dos Reis (ADOR) in order to obtain precise radiometric ages and initial Sr isotopic compositions, and to search for the erstwhile presence of the short-lived nuclei Sm-146 and Al-26 via their daughter products. The isotopic compositions of Sm,

G. W. Lugmair; S. J. G. Galer

1992-01-01

409

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

Microsoft Academic Search

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography–mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient

Débora de Almeida Azevedo; Celeste Yara Moreira dos Santos; Francisco Radler de Aquino Neto

2002-01-01

410

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: (1) a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, (2) a

W. D. Ruhter; W. M. Buckley

1989-01-01

411

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The user interacts with the system by means of menus and screens that allow the user to select various applications and to enter information pertinent to a measurement. This

W. D. Ruhter; W. M. Buckley

1989-01-01

412

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

Microsoft Academic Search

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, a data-analysis application

W. D. Ruhter; W. M. Buckley

1989-01-01

413

Coordination of DNA Replication and Histone Modification by the Rik1-Dos2 Complex  

PubMed Central

Histone modification marks play an important role in many chromatin processes1,2. During DNA replication, both heterochromatin and euchromatin are disrupted ahead of the replication fork and then reassembled into their original epigenetic states behind the fork3,4. How the histone marks are faithfully inherited during each generation is still poorly understood. In fission yeast RNA interference (RNAi)-mediated histone methylation is cell-cycle regulated. Centromere repeats are transiently transcribed at S phase and processed into small interference RNAs (siRNAs) by RITS and RDRC complexes5-7. The small RNAs, in concert with silencing factors, including Dos1/Clr8, Dos2/Clr7, Rik1 and Lid2, promote heterochromatic H3K9 methylation by a histone methyltransferase, Clr48-13. H3K9 methylation serves as a binding site for Swi6, a structural and functional homolog of metazoan Heterochromatin Protein 1 (HP1)14. Here we characterize a silencing complex, which contains Dos2, Rik1, Mms19, and Cdc20 (DNA polymerase epsilon). The complex regulates RNA Pol II activity in heterochromatin, and is required for DNA replication and heterochromatin assembly. Our findings provide a molecular link between DNA replication and histone methylation, shedding light on how epigenetic marks are transmitted during each cell cycle.

Li, Fei; Martienssen, Rob; Cande, W. Zacheus

2011-01-01

414

Coordination of DNA replication and histone modification by the Rik1-Dos2 complex.  

PubMed

Histone modification marks have an important role in many chromatin processes. During DNA replication, both heterochromatin and euchromatin are disrupted ahead of the replication fork and are then reassembled into their original epigenetic states behind the fork. How histone marks are accurately inherited from generation to generation is still poorly understood. In fission yeast (Schizosaccharomyces pombe), RNA interference (RNAi)-mediated histone methylation is cell cycle regulated. Centromeric repeats are transiently transcribed in the S phase of the cell cycle and are processed into short interfering RNAs (siRNAs) by the complexes RITS (RNA-induced initiation of transcriptional gene silencing) and RDRC (RNA-directed RNA polymerase complex). The small RNAs together with silencing factors-including Dos1 (also known as Clr8 and Raf1), Dos2 (also known as Clr7 and Raf2), Rik1 and Lid2-promote heterochromatic methylation of histone H3 at lysine 9 (H3K9) by a histone methyltransferase, Clr4 (refs 8-13). The methylation of H3K9 provides a binding site for Swi6, a structural and functional homologue of metazoan heterochromatin protein 1 (HP1). Here we characterize a silencing complex in fission yeast that contains Dos2, Rik1, Mms19 and Cdc20 (the catalytic subunit of DNA polymerase-?). This complex regulates RNA polymerase II (RNA Pol II) activity in heterochromatin and is required for DNA replication and heterochromatin assembly. Our findings provide a molecular link between DNA replication and histone methylation, shedding light on how epigenetic marks are transmitted during each cell cycle. PMID:21725325

Li, Fei; Martienssen, Rob; Cande, W Zacheus

2011-07-03

415

The Intraplate Seismogenic Zone of Porto dos Gauchos in the Amazon Craton, Brazil  

NASA Astrophysics Data System (ADS)

The Porto dos Gauchos Seismogenic Zone (PGSZ), in the center north of Mato Grosso State, in the contact between the southern Amazonian Craton and northern Parecis Basin, represents one of the most important area of seismic activity in Brazil, with the largest magnitude ever observed in the stable continent of the South America plate (6.2 mb on January 31, 1955). Focal mechanism studies indicated a pure reverse faulting regime with compressional SHmax. oriented in SE-NW direction. After the 1955 earthquake, located in Serra do Tombador, a recurrent seismicity has been detected in Porto dos Gauchos, 100 km northeast of Serra do Tombador. No recent events have been detected in the area of the 1955 epicenter, suggesting a long recurrence time or mislocation of Serra do Tombador earthquake. The Porto dos Gauchos recurrent seismicity has been observed since 1959, when a 4.5 macroseismic estimated magnitude was felt by local inhabitants settled in that remote area two years earlier. In subsequent years, with deployment of regional stations in Brazilian Amazon region earthquakes were detected in 1981 (3.8 mb), 1989 (3.3 mb), 1993 (3.8 mb), 1996 (4.4 mb), 1997 (3.3 mb), and finally on March 10, 1998 (5.1 mb). The aftershocks of 1998 main shock were studied with a local network with up to eight 3- component stations. Such network detected more than 2500 events until December of 2002, when the network was deactivated, but only 100 were accurately located. Based on this set of events and a controlled source experiment we determined a 1-D velocity model for the area, a composite focal mechanism with P wave polarities, spectral analysis studies to estimate the source dimension, stress drop and moment magnitudes for the main shock and some others events of the set. On March 23, 2005 another shock occurred in the same seismogenic area of Porto dos Gauchos, with magnitude 4.7 to 5.0. One week later five stations were installed again to monitor the aftershock activity, detecting more than 2000 events in three months. Hypocentral determination, with different hypocentral location programs (Hypocenter, Hypo71, Hypoinverse, Velest and NonLinLoc) and a composite focal mechanism indicated the same source location and similar fault regime (dextral transcurrent fault for both 1998 and 2005 sequences). In this work, besides a brief review of the seismotectonic of the PGSZ we intend to present additional results of better constrained composite focal mechanisms including the P, SH, and SV amplitudes ratios for the two sequences and an attempt to get focal mechanism solution for the main shock of March 1998 based on regional stations.

Barros, L. V.; Assumpcao, M. S.; Quintero, R. Q.

2007-05-01

416

Quality control and assurance for validation of DOS/I measurements  

NASA Astrophysics Data System (ADS)

Ongoing multi-center clinical trials are crucial for Biophotonics to gain acceptance in medical imaging. In these trials, quality control (QC) and assurance (QA) are key to success and provide "data insurance". Quality control and assurance deal with standardization, validation, and compliance of procedures, materials and instrumentation. Specifically, QC/QA involves systematic assessment of testing materials, instrumentation performance, standard operating procedures, data logging, analysis, and reporting. QC and QA are important for FDA accreditation and acceptance by the clinical community. Our Biophotonics research in the Network for Translational Research in Optical Imaging (NTROI) program for breast cancer characterization focuses on QA/QC issues primarily related to the broadband Diffuse Optical Spectroscopy and Imaging (DOS/I) instrumentation, because this is an emerging technology with limited standardized QC/QA in place. In the multi-center trial environment, we implement QA/QC procedures: 1. Standardize and validate calibration standards and procedures. (DOS/I technology requires both frequency domain and spectral calibration procedures using tissue simulating phantoms and reflectance standards, respectively.) 2. Standardize and validate data acquisition, processing and visualization (optimize instrument software-EZDOS; centralize data processing) 3. Monitor, catalog and maintain instrument performance (document performance; modularize maintenance; integrate new technology) 4. Standardize and coordinate trial data entry (from individual sites) into centralized database 5. Monitor, audit and communicate all research procedures (database, teleconferences, training sessions) between participants ensuring "calibration". This manuscript describes our ongoing efforts, successes and challenges implementing these strategies.

Cerussi, Albert; Durkin, Amanda; Kwong, Richard; Quang, Timothy; Hill, Brian; Tromberg, Bruce J.; MacKinnon, Nick; Mantulin, William W.

2010-02-01

417

Crystal Structures of the Response Regulator DosR From Mycobacterium Tuberculosis Suggest a Helix Rearrangement Mechanism for Phosphorylation Activation  

SciTech Connect

The response regulator DosR is essential for promoting long-term survival of Mycobacterium tuberculosis under low oxygen conditions in a dormant state and may be responsible for latent tuberculosis in one-third of the world's population. Here, we report crystal structures of full-length unphosphorylated DosR at 2.2 {angstrom} resolution and its C-terminal DNA-binding domain at 1.7 {angstrom} resolution. The full-length DosR structure reveals several features never seen before in other response regulators. The N-terminal domain of the full-length DosR structure has an unexpected ({beta}{alpha}){sub 4} topology instead of the canonical ({beta}{alpha}){sub 5} fold observed in other response regulators. The linker region adopts a unique conformation that contains two helices forming a four-helix bundle with two helices from another subunit, resulting in dimer formation. The C-terminal domain in the full-length DosR structure displays a novel location of helix {alpha}10, which allows Gln199 to interact with the catalytic Asp54 residue of the N-terminal domain. In contrast, the structure of the DosR C-terminal domain alone displays a remarkable unstructured conformation for helix {alpha}10 residues, different from the well-defined helical conformations in all other known structures, indicating considerable flexibility within the C-terminal domain. Our structures suggest a mode of DosR activation by phosphorylation via a helix rearrangement mechanism.

Wisedchaisri, G.; Wu, M.; Sherman, D.R.; Hol, W.G.J.

2009-05-26

418

Measured oxygen fugacities of the Angra dos Reis achondrite as a function of temperature  

USGS Publications Warehouse

Measurements of the oxygen fugacity (f{hook}O2) as a function of temperature (T) were made on an interior bulk sample of the cumulate achondrite, Angra dos Reis. Data clustered between the f{hook}O2-T relationship of the iron-wu??stite assemblage and 1.2 log atm units above iron-wu??stite. Interpretation of the data indicates that, throughout most of the cooling history of the meteorite, f{hook}O2 values were defined by equilibria involving iron-bearing species at values close to the f{hook}O2 of the assemblage iron-wu??stite. Measured f{hook}O2 data are compatible with crystallization and cooling at pressures greater than 50 bars. ?? 1977.

Brett, R.; Stephen, Huebner, J.; Sato, M.

1977-01-01

419

Identification and seasonal variation of atmospheric organic pollutants in Campos dos Goytacazes, Brazil  

NASA Astrophysics Data System (ADS)

Organic aerosol samples collected during a 1 year study at three sites in the city of Campos dos Goytacazes, Rio de Janeiro, Brazil, were examined by gas chromatography and gas chromatography-mass spectrometry. Samples were acquired using a standard high-volume air sampler (Hi-Vol); extracts prepared and fractionated into aliphatic, aromatic and polar compounds. These compounds were quantified and their seasonal ambient concentration patterns discussed. High winter and low summer concentrations were observed for retene, polycyclic aromatic hydrocarbons and total suspended particulate matter (TSP), with a seasonal (winter) peak for all compounds studied. The higher concentrations observable from May to September may result from crop burning processes, which occur in the sugarcane plantations, mainly during this part of the year. The studied sites may be considered unpolluted as concentrations of benzo[a]pyrene and benzene were lower than the regulation lower limits. On the other hand, two sites were considered polluted by TSP determination.

de Almeida Azevedo, Débora; dos Santos, Celeste Yara Moreira; de Aquino Neto, Francisco Radler

420

An MS-DOS-based program for analyzing plutonium gamma-ray spectra  

SciTech Connect

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The program titled IAEAPU consists of three separate applications: a data-transfer application for transferring spectral data from a CICERO multichannel analyzer to a binary data file, a data-analysis application to analyze plutonium gamma-ray spectra, for plutonium isotopic ratios and weight percents of total plutonium, and a data-quality assurance application to check spectral data for proper data-acquisition setup and performance. Volume 3 contains the software listings for these applications.

Ruhter, W.D.; Buckley, W.M.

1989-09-07

421

Cell cycle-dependent deposition of CENP-A requires the Dos1/2-Cdc20 complex  

PubMed Central

Centromeric histone CENP-A, a variant of canonical histone H3, plays a central role in proper chromosome segregation. Loading of CENP-A at centromeres is cell cycle-regulated: parental CENP-A is deposited at centromeres during S phase, whereas newly synthesized CENP-A is deposited during later stages of the cell cycle. The mechanisms involved in deposition of CENP-A at centromeres during S phase remain poorly understood. In fission yeast, loading of CENP-A during S phase is regulated by the GATA-type factor, Ams2. Here we show that the Dos1/2-Cdc20 complex, previously characterized as a silencing complex essential for inheritance of H3K9 methylation during S phase, is also required for localization of CENP-Acnp1 at centromeres at this stage. Disruption of Dos1 (also known as Raf1/Clr8/Cmc1), Dos2 (also known as Raf2/Clr7/Cmc2), or Cdc20, a DNA polymerase epsilon subunit, results in dissociation of CENP-A from centromeres and mislocalization of the protein to noncentromeric sites. All three mutants display spindle disorganization and mitotic defects. Inactivation of Dos1 or Cdc20 also results in accumulation of noncoding RNA transcripts from centromeric cores, a feature common to mutants affecting kinetochore integrity. We further find that Dos1 physically associates with Ams2 and is required for the association of Ams2 with centromeric cores during S phase. Finally, we show that Dos2 associates with centromeric cores during S phase and that its recruitment to centromeric cores depends on Cdc20. This study identifies a physical link between DNA replication and CENP-A assembly machinery and provides mechanistic insight into how CENP-A is faithfully inherited during S phase.

Gonzalez, Marlyn; He, Haijin; Sun, Siyu; Li, Chen; Li, Fei

2013-01-01

422

Structural Insight into the Heme-based Redox Sensing by DosS from Mycobacterium tuberculosis*S?  

PubMed Central

Mycobacterium tuberculosis is thought to undergo transformation into its non-replicating persistence state under the influence of hypoxia or nitric oxide (NO). This transformation is thought to be mediated via two sensor histidine kinases, DosS and DosT, each of which contains two GAF domains that are responsible for detecting oxygen tension. In this study we determined the crystal structures of the first GAF domain (GAF-A) of DosS, which shows an interaction with a heme. A b-type heme was embedded in a hydrophobic cavity of the GAF-A domain and was roughly perpendicular to the ?-sheet of the GAF domain. The heme iron was liganded by His-149 at the proximal heme axial position. The iron, in the oxidized form, was six-coordinated with a water molecule at the distal position. Upon reduction, the iron, in ferrous form, was five-coordinated, and when the GAF domain was exposed to atmospheric O2, the ferrous form was oxidized to generate the Met form rather than a ferrous O2-bound form. Because the heme is isolated inside the GAF domain, its accessibility is restricted. However, a defined hydrogen bond network found at the heme site could accelerate the electron transferability and would explain why DosS was unable to bind O2. Flavin nucleotides were shown to reduce the heme iron of DosS while NADH was unable to do so. These results suggest that DosS is a redox sensor and detects hypoxic conditions by its reduction.

Cho, Ha Yeon; Cho, Hyo Je; Kim, Young Min; Oh, Jeong Il; Kang, Beom Sik

2009-01-01

423

Buffer zone monitoring plan for the Dos Rios subdivision, Gunnison, Colorado  

SciTech Connect

This report presents a plan for water quality monitoring at the Dos Rios subdivision (Units 2, 3, and the Island Unit) that is intended to satisfy the informational needs of residents who live southwest (downgradient) of the former Gunnison processing site. Water quality monitoring activities described in this report are designed to protect the public from residual contamination that entered the ground water as a result of previous uranium milling operations. Requirements presented in this monitoring plan are also included in the water sampling and analysis plan (WSAP) for the Gunnison Uranium Mill Tailings Remedial Action (UMTRA) Project site. The Gunnison WSAP is a site-specific document prepared by the U.S. Department of Energy (DOE) that provides background, guidance, and justification for future ground water sampling and analysis activities for the UMTRA Project Gunnison processing and disposal sites. The WSAP will be updated annually, as additional water quality data are collected and interpreted, to provide ongoing protection for public health and the environment.

NONE

1996-02-01

424

T.D.S. spectroscopic databank for spherical tops: DOS version  

NASA Astrophysics Data System (ADS)

T.D.S. (Traitement de Donnees Spectroscopiques or Tomsk-Dijon-Spectroscopy project) is a computer package concerned with high resolution spectroscopy of spherical top molecules like CH4, CF4, SiH4, SiF4, SnH4, GeH4, SF6, etc. T.D.S. contains information, fundamental spectroscopic data (energies, transition moments, spectroscopic constants) recovered from comprehensive modeling and simultaneous fitting of experimental spectra, and associated software written in C. The T.D.S. goal is to provide an access to all available information on vibration-rotation molecular states and transitions including various spectroscopic processes (Stark, Raman, etc.) under extended conditions based on extrapolations of laboratory measurements using validated theoretical models. Applications for T.D.S. may include: education/training in molecular physics, quantum chemistry, laser physics; spectroscopic applications (analysis, laser spectroscopy, atmospheric optics, optical standards, spectroscopic atlases); applications to environment studies and atmospheric physics (remote sensing); data supply for specific databases; and to photochemistry (laser excitation, multiphoton processes). The reported DOS-version is designed for IBM and compatible personal computers.

Tyuterev, Vl. G.; Babikov, Yu. L.; Tashkun, S. A.; Perevalov, V. I.; Nikitin, A.; Champion, J.-P.; Wenger, Ch.; Pierre, C.; Pierre, G.; Hilico, J.-C.

1994-10-01

425

ANALYSIS OF THE PICO DOS DIAS SURVEY HERBIG Ae/Be CANDIDATES  

SciTech Connect

A large sample of Herbig Ae/Be (HAeBe) candidates, distributed in different Galactic regions south to declination +30 deg., were identified by the Pico dos Dias Survey (a search for young stellar objects based on IRAS colors). Most of the candidates are nearby or associated with star-forming clouds, but several others are considered isolated objects. Aiming to verify the young nature of 93 HAeBe candidates, we searched for additional information that could be useful to confirm if they are pre-main-sequence (PMS) stars or evolved objects, which coincidentally show similar IRAS colors. By adopting a spectral index that is related to the amount of infrared excess and the shape of the spectral energy distribution, we have classified the sample according to three groups, which are analyzed on the basis of (1) circumstellar luminosity; (2) spatial distribution; (3) optical polarization; (4) near-infrared colors; (5) stellar parameters (mass, age, effective temperature); and (5) intensity of emission lines. Our analysis indicates that only 76% of the studied sample, mainly the group with intermediate to low levels of circumstellar emission, can be more confidently considered PMS stars. The nature of the remaining stars, which are in the other group that contains the highest levels of infrared excess, remains to be confirmed. They share the same characteristics of evolved objects, requiring complementary studies in order to correctly classify them. At least seven objects show characteristics typical of post-asymptotic giant branch or proto-planetary nebulae.

Sartori, Marilia J. [Laboratorio Nacional de Astrofisica/MCT, Rua Estados Unidos 154, 37504-364 Itajuba, MG (Brazil); Gregorio-Hetem, Jane [Universidade de Sao Paulo, IAG, Rua do Matao 1226, 05508-900 Sao Paulo, SP (Brazil); Rodrigues, Claudia V. [Instituto Nacional de Pesquisas Espaciais/MCT, Av. dos Astronautas 1758, 12227-010 Sao Jose dos Campos, SP (Brazil); Annibal Hetem [Fundacao Santo Andre, FAENG, Rua Principe de Gales 821, 09060-650 Santo Andre, SP (Brazil); Batalha, Celso [Evergreen Valley College, 3095 Yerba Buena Rd., San Jose, CA, 95135 (United States)], E-mail: marilia@lna.br

2010-01-15

426

Avaliação do desempenho dos novos instrumentos de política de garantia de preços agrícolas de 2004 a 2007  

Microsoft Academic Search

O objetivo deste artigo é avaliar o desempenho dos instrumentos da Política de Garantia de Preços Agrícolas (PGPA), criados a partir de 2004, em termos de produtos e regiões. Os contratos de opção privada que começaram a ser criados a partir de 2004 possuem característica de transferir à iniciativa privada a responsabilidade de abastecer áreas previamente determinadas. O PEPRO -

Carlos Jose Caetano Bacha; Carlos Eduardo Caldarelli

2008-01-01

427

IDENTIFICACIÓN BACTERIOLÓGICA DE LAS INFECCIONES RESPIRATORIAS EN LOS BECERROS Y SU SUSCEPTIBILIDAD ANTIMICROBIANA EN DOS FINCAS DEL ESTADO GUÁRICO, VENEZUELA  

Microsoft Academic Search

Un total de 50 muestras de hisopados nasales de becerros. con enfermedad respiratoria procedentes de dos fincas ubicadas en el estado Guárico. fueron analizados por estudios bacteriológicos. Los agentes bacterianos más frecuentes fueron Pasteurella multocida (28%), Streptococcus spp. hemolíticos (22%), Klebsiella pneumoniae (18%), Corynebacterium spp. (14%), Staphylococcus epidermidis (6%), Bacillus spp. (4%), Escherichia coli y Pseudomonas aeruginosa (2%). respectivamente. Se

Yuraima Pineda; Salin Mora; Jorge Santander

428

MS-DOS-based program for analyzing plutonium gamma-ray spectra. Volume 1. Data-analysis methodology and software.  

National Technical Information Service (NTIS)

A plutonium gamma-ray analysis system that operates on MS-DOS-based computers has been developed for the International Atomic Energy Agency (IAEA) to perform in-field analysis of plutonium gamma-ray spectra for plutonium isotopics. The user interacts with...

W. D. Ruhter W. M. Buckley

1989-01-01

429

Getting Girls De-Stereotyped for SAT Exams  

ERIC Educational Resources Information Center

|Society knows well that males outperform females on mathematics portions of college entrance examinations. In 2003, for example, males scored an average 537 points on the mathematics section of the Scholastic Aptitude Test, while females averaged 503. Less well known is that males also show a slight advantage on the verbal portion. These gaps…

Altermatt, Ellen Rydell; Kim, Minha Esther

2004-01-01

430

Doppler ultrasound exam of an arm or leg  

MedlinePLUS

This test uses ultrasound to examine the blood flow in the major arteries and veins in the arms and legs. ... The test is done in the ultrasound or radiology department or in a ... gel is placed on a handheld device called a transducer, ...

431

An Alternative Comprehensive Final Exam: The Integrated Paper.  

ERIC Educational Resources Information Center

|Describes a final assignment in an introductory sociology course that helps students apply their sociological knowledge. Students choose a book or movie, provide a plot summary, analyze it using a minimum number of sociological terms gathered from different chapters or topic areas, and provide a brief conclusion. (MJP)|

Chandler, Theresa Mariani

1997-01-01

432

Cardiovascular Screening of Athletes: Focused Exam, Electrocardiograms, and Limited Echocardiograms  

Microsoft Academic Search

\\u000a The incidence of sudden cardiac death (SCD) in athletes is estimated to occur at a frequency of 1\\/200,000 athletes per year\\u000a [.1]. It is postulated that intense exercise predisposes the competitive athlete with previously undetected cardiac disease\\u000a to lethal rhythm disturbances, and that the risk can be diminished if the athlete is withheld from sports participation.

Christine E. Lawless

433

A Term-Long Mineralogy Lab Practical Exam  

NSDL National Science Digital Library

This term-long project involves identifying a set of 65 unknown mineral samples through various common mineral identification techniques including their physical properties (e.g. streak, luster, habit, density, cleavage/fracture, etc.) and through the use of XRD.

Hollocher, Kurt

434

Expansion of Diagnostic Ultrasound to Include OB Exams This Year  

Microsoft Academic Search

For the past four years, OHSU emergency physicians been performing diagnostic ultrasound examinations on virtually all patients presenting with blunt or penetrating trauma to the chest or abdomen. The FAST (\\

Dan Price; Pat Brunett

435

A review of exam accommodations for dental students with disabilities.  

PubMed

The purpose of this investigation was to determine the extent to which testing accommodations are granted for students with disabilities in the dental predoctoral and doctoral settings. The investigator aimed to examine both the types of accommodations granted and estimate the number of students seeking accommodations due to a physical or learning disability. To address the research purpose, surveys were sent to the ADA and to each of the ten independent state and four regional dental licensing boards. During the five-year study period (1998-2003), there were 508 requests for accommodations on the Dental Admission Test (DAT) from 49,211 applicants (1.03 percent), 235 accommodation requests for the National Board Dental Examination, Part I from 54,750 applicants (0.43 percent), and 150 accommodation requests for the National Board Dental Examination, Part II from among 40,412 applicants (0.37 percent). Three of the fourteen U.S. licensing agencies (21.4 percent) kept no records, and eleven (78.6 percent) maintained some records. Unfortunately, a rigorous analysis of the impact that the Americans with Disabilities Act has had on standardized testing in dental education cannot be completed because of a lack of data available from the testing agencies. PMID:16687632

Johnson, Aaron D

2006-05-01

436

Teaching Quantitative Literacy through a Regression Analysis of Exam Performance  

ERIC Educational Resources Information Center

Quantitative literacy is increasingly essential for both informed citizenship and a variety of careers. Though regression is one of the most common methods in quantitative sociology, it is rarely taught until late in students' college careers. In this article, the author describes a classroom-based activity introducing students to regression…

Lindner, Andrew M.

2012-01-01

437

Getting Girls De-Stereotyped for SAT Exams  

ERIC Educational Resources Information Center

Society knows well that males outperform females on mathematics portions of college entrance examinations. In 2003, for example, males scored an average 537 points on the mathematics section of the Scholastic Aptitude Test, while females averaged 503. Less well known is that males also show a slight advantage on the verbal portion. These gaps…

Altermatt, Ellen Rydell; Kim, Minha Esther

2004-01-01

438

Cervical and Vaginal Cancer Screening (Pap Test and Pelvic Exam)  

MedlinePLUS

... service covered? Search Medicare.gov for covered items Cervical & vaginal cancer screenings How often is it covered? Medicare Part ... doctor accepts assignment . Related resources National Cancer Institute—cervical cancer information CDC—cervical cancer information U.S. Preventive Services ...

439

Exam: An environment for XACML policy analysis and management  

Microsoft Academic Search

As distributed collaborative applications and architectures are adopting policy based management for tasks such as access control, network security and data privacy, the management and consolidation of a large number of policies is becoming a crucial component of such policy based systems. In large-scale distributed collaborative applications like web services, there is need for analysing policy interaction and performing policy

Prathima R Rao

2010-01-01

440

The Document Package Exam, in TECHNIQUES FOR TEACHING LAW 2  

Microsoft Academic Search

This book is designed for legal educators who want to improve their teaching and their students' learning. The first chapter presents foundational principles of learning and instruction as well as insights from students. The remaining twelve chapters address topics such as classroom dynamics, technology, questioning, discussion, collaborative learning, experiential learning, feedback, assessment, and continued development for teachers. Each of these

Eric J. Gouvin

2011-01-01

441

Ad Campaign Urges Undergraduates to Take Graduate Record Exam  

ERIC Educational Resources Information Center

|Several months ago, the Educational Testing Service began planning a campaign to encourage more college juniors and seniors to consider graduate school--and to take its Graduate Record Examination. The timing may prove fortuitous. David G. Payne, executive director of the GRE, says the campaign seeks not only to expand students' options, but also…

Ashburn, Elyse

2008-01-01

442

A New Degree and Exam Create "Doctor Nurses," Irking Physicians  

ERIC Educational Resources Information Center

For years, advanced-practice nurses have struggled for greater autonomy from doctors while physician groups have fought back, trying to protect what they see as their turf. This article reports that a new degree and a new certification test are blurring those boundaries even further. The test, and the "doctor of nursing practice" degree it…

Mangan, Katherine

2009-01-01

443

An Experimental Study on Hyper-heuristics and Exam Timetabling  

Microsoft Academic Search

Hyper-heuristics are proposed as a higher level of abstraction as compared to the metaheuristics. Hyper-heuristic met hods deploy a set of simple heuristics and use only nonproblem-specific data, s uch as, fitness change or heuristic execution time. A typical iteration of a hyper-heuristic algorithm consists of two phases: heuristic selection method and move acceptance. In this paper, heuristic selection mechanisms

Burak Bilgin; Ender Özcan; Emin Erkan Korkmaz

2006-01-01

444

A Grouping Genetic Algorithm for Graph Colouring and Exam Timetabling  

Microsoft Academic Search

It has frequently been reported that pure genetic algorithms for graph colouring are in general outperformed by more conventional\\u000a methods. There is every reason to believe that this is mainly due to the choice of an unsuitable encoding of solutions. Therefore,\\u000a an alternative representation, based on the grouping character of the graph colouring problem, was chosen. Furthermore, a fitness function

Wilhelm Erben

2000-01-01

445

Should UK membership exams be held overseas? Yes  

Microsoft Academic Search

Graeme Muir and Justin Thacker believe that UK professional qualifications can help other countries improve training and standards, but Delan Devakumar and Kate Mandeville (doi:10.1136\\/bmj.d4560) argue that they lack local relevance

Graeme Muir; Justin Thacker

2011-01-01

446

A New Degree and Exam Create "Doctor Nurses," Irking Physicians  

ERIC Educational Resources Information Center

|For years, advanced-practice nurses have struggled for greater autonomy from doctors while physician groups have fought back, trying to protect what they see as their turf. This article reports that a new degree and a new certification test are blurring those boundaries even further. The test, and the "doctor of nursing practice" degree it…

Mangan, Katherine

2009-01-01

447

Pictures May Help Encourage Skin Cancer Self-Exams  

MedlinePLUS

... 9 (HealthDay News) -- Pictures can make a strong impression: People who see images of skin cancer are ... detecting melanoma early. Many cases of melanoma are first detected by patients themselves," study co-author Jennifer ...

448

Coming Soon to Your Favorite Credential Program: National Exit Exams  

ERIC Educational Resources Information Center

|In an October 22, 2010, speech to teacher educators at Columbia University's Teachers College, Secretary of Education Arne Duncan proclaimed that revolutionary change in the education of teachers is essential if the problems facing U.S. society and U.S. schools are to be solved. Toward the end of his speech, he declared that a standardized…

Berlak, Ann

2010-01-01

449

Accounting Students' Perceptions of Factors Influencing Exam Performance.  

ERIC Educational Resources Information Center

|Ninety students were pretested and posttested in an accounting principles course to determine how expectations and perceptions of self-control affected their grade on an examination and how the grade changed their perceptions. Students who did poorer than anticipated on the test exhibited some expectancy shifts. (CH)|

Thibadoux, Greg M.; Greenberg, Ira S.

1987-01-01

450

A Mathematics Entrance Exam for General (Non-Majors) Physics  

ERIC Educational Resources Information Center

In a previous issue of "The Physics Teacher", John Hubisz explained how a mathematics background check has been used at three different colleges to determine the appropriate physics sequence for incoming students. Based on their performance, students are placed into either calculus-based physics (CBP), algebra-trig physics (ATP), or a year of…

Chediak, Alex

2010-01-01

451

Teaching Quantitative Literacy through a Regression Analysis of Exam Performance  

ERIC Educational Resources Information Center

|Quantitative literacy is increasingly essential for both informed citizenship and a variety of careers. Though regression is one of the most common methods in quantitative sociology, it is rarely taught until late in students' college careers. In this article, the author describes a classroom-based activity introducing students to regression…

Lindner, Andrew M.

2012-01-01

452

Performance on multiple-choice diagnostics and complementary exam problems  

NSDL National Science Digital Library

This paper compares the responses of university physics students on the Force Concept Inventory (FCI) and on open-ended examination questions. The Mechanics Baseline Test (MBT) is another multiple choice test. It contains a greater range of topics than the FCI and is intended for use after instruction.

Steinberg, Richard N.; Sabella, Mel

2005-10-17

453

A Mathematics Entrance Exam for General (Non-Majors) Physics  

ERIC Educational Resources Information Center

|In a previous issue of "The Physics Teacher", John Hubisz explained how a mathematics background check has been used at three different colleges to determine the appropriate physics sequence for incoming students. Based on their performance, students are placed into either calculus-based physics (CBP), algebra-trig physics (ATP), or a year of…

Chediak, Alex

2010-01-01

454

Washback of A Public Exam on English Teaching.  

ERIC Educational Resources Information Center

|The way in which public examinations influence teaching and learning is commonly described as "washback" or backwash. This study examined the nature and scope of the impact of a public examination on English teaching in Taiwan to add to the existing literature on testing washback in an English-as-a-second-language context. The relational research…

Chen, Lih-Mei

455

An Alternative Comprehensive Final Exam: The Integrated Paper.  

ERIC Educational Resources Information Center

Describes a final assignment in an introductory sociology course that helps students apply their sociological knowledge. Students choose a book or movie, provide a plot summary, analyze it using a minimum number of sociological terms gathered from different chapters or topic areas, and provide a brief conclusion. (MJP)

Chandler, Theresa Mariani

1997-01-01

456

Queda dos homic?dios em S?o Paulo, Brasil: uma an?lise descritiva  

PubMed Central

Objetivo Descrever a evolução da mortalidade por homicídios no Município de São Paulo segundo tipo de arma, sexo, raça ou cor, idade e áreas de exclusão/inclusão social entre 1996 e 2008. Métodos Estudo ecológico de série temporal. Os dados sobre óbitos ocorridos no Município foram coletados da base de dados do Programa de Aprimoramento das Informações sobre Mortalidade, seguindo a Classificação Internacional de Doenças, Décima Revisão (CID-10). Foram calculadas as taxas de mortalidade por homicídio (TMH) para a população total, por sexo, raça ou cor, faixa etária, tipo de arma e área de exclusão/inclusão social. As TMH foram padronizadas por idade pelo método direto. Foram calculados os percentuais de variação no período estudado. Para as áreas de exclusão/inclusão social foram calculados os riscos relativos de morte por homicídio. Resultados As TMH apresentaram queda de 73,7% entre 2001 e 2008. Foi observada redução da TMH em todos os grupos analisados, mais pronunciada em homens (?74,5%), jovens de 15 a 24 anos (?78,0%) e moradores de áreas de exclusão social extrema (?79,3%). A redução ocorreu, sobretudo, nos homicídios cometidos com armas de fogo (?74,1%). O risco relativo de morte por homicídio nas áreas de exclusão extrema (tendo como referência áreas com algum grau de exclusão social) foi de 2,77 em 1996, 3,9 em 2001 e 2,13 em 2008. Nas áreas de alta exclusão social, o risco relativo foi de 2,07 em 1996 e 1,96 em 2008. Conclusões Para compreender a redução dos homicídios no Município, é importante considerar macrodeterminantes que atingem todo o Município e todos os subgrupos populacionais e microdeterminantes que atuam localmente, influenciando de forma diferenciada os homicídios com armas de fogo e os homicídios na população jovem, no sexo masculino e em residentes em áreas de alta exclusão social.

Peres, Maria Fernanda Tourinho; Vicentin, Diego; Nery, Marcelo Batista; de Lima, Renato Sergio; de Souza, Edinilsa Ramos; Cerda, Magdalena; Cardia, Nancy; Adorno, e Sergio

2012-01-01

457

15-Deoxyspergualin (15DOS) for therapy in an animal model of multiple sclerosis (MS): Disease modifying activity on acute and chronic relapsing experimental allergic encephalomyelitis (EAE)  

Microsoft Academic Search

We examined the therapeutic effect of 15-DOS in the two models of acute and chronic relapsing EAE in Lewis rats. In the first model adult rats developed an acute severe EAE and by day 16 all animals died. Lewis rats treated with 15-DOS showed a delayed and reduced onset of clinical symptoms and mortality was prevented. In the second model

H. U. Schorlemmer; F. R. Seiler

1991-01-01

458

Conhecimento dos profissionais de Saúde em relação às formas de cobrança em Unidade de Pronto Atendimento Health professionals knowledge of medical billing standards in an Emergency Department  

Microsoft Academic Search

rESUMo objetivos: Conhecer o perfil demográfico e profissional dos colaboradores da Unidade de Pronto Atendimento; verificar o conhecimento desses, referente aos preços dos medicamentos, materiais, procedimentos e os elementos que compõem a Taxa de Assistência Integrada. Métodos: Pesquisa descritiva, exploratória e prospectiva, de abordagem quantitativa. A amostra foi composta por 123 respondentes: 32 (26%) médicos, 30 (24,4%) enfermeiros e 61

Renata Donato Janeri; Milka de Almeida; Miriam Rodrigues de Medeiros; Sarah Munhoz

459

Cross-Reactive Immunity to Mycobacterium tuberculosis DosR Regulon-Encoded Antigens in Individuals Infected with Environmental, Nontuberculous Mycobacteria? †  

PubMed Central

Mycobacterium tuberculosis DosR regulon-encoded antigens are highly immunogenic in M. tuberculosis-infected humans and are associated with latent tuberculosis infection. We have investigated the hypothesis that infection with or exposure to nontuberculous mycobacteria (NTM) can induce cross-reactive immunity to M. tuberculosis DosR regulon-encoded antigens since responsiveness has been observed in non-M. tuberculosis-exposed but purified protein derivative-responsive individuals. M. tuberculosis DosR regulon-encoded antigen-specific T-cell responses were studied in peripheral blood mononuclear cells (PBMCs) of NTM-infected/exposed individuals. BLASTP was used to determine the presence of M. tuberculosis DosR regulon-encoded protein orthologs among environmental mycobacteria and nonmycobacteria. Significant gamma interferon production was observed in PBMCs from NTM-infected/exposed individuals in response to M. tuberculosis DosR regulon-encoded antigens. DosR regulon-encoded protein orthologs were prominently present in tuberculous and environmental mycobacteria and surprisingly also in nonmycobacteria. The ubiquitous presence of the highly conserved DosR master regulator protein Rv3133c suggests that this is a general adaptive bacterial response regulator. We report a first series of M. tuberculosis antigens to which cross-reactive immunity is induced by NTM infection/exposure. The high conservation of M. tuberculosis DosR regulon-encoded antigens most likely enables them to induce cross-reactive T-cell responses.

Lin, May Young; Reddy, T. B. K.; Arend, Sandra M.; Friggen, Annemieke H.; Franken, Kees L. M. C.; van Meijgaarden, Krista E.; Verduyn, Marleen J. C.; Schoolnik, Gary K.; Klein, Michel R.; Ottenhoff, Tom H. M.

2009-01-01

460

EFICACIA Y RESIDUALIDAD DE DOS INSECTICIDAS PIRETROIDES CONTRA Triatoma infestans EN TRES TIPOS DE VIVIENDAS. EVALUACIÓN DE CAMPO EN AREQUIPA, PERÚ  

Microsoft Academic Search

RESUMEN Objetivos. Comparar la eficacia residual de dos insecticidas en el control vectorial del Triatoma infestans sobre tres tipos de vivienda en dos localidades de Arequipa, Perú. Material y métodos. Ensayo de campo, se utilizaron formulaciones de polvo mojado de deltametrina y lambdacihalotrina sobre diferentes sustratos (concreto, ladrillo y sillar) a dosis de 25 y 30 mg\\/m2 respectivamente. Se usó

Miriam Palomino; Pablo Villaseca; Fanny Cárdenas; Jenny Ancca; Maritza Pinto

461

Implementation of DoS attack and mitigation strategies in IEEE 802.11b/g WLAN  

NASA Astrophysics Data System (ADS)

IEEE 802.11 wireless Local Area Network (WLAN) becomes very prevalent nowadays. Either as a simple range extender for a home wired Ethernet interface, or as a wireless deployment throughout an enterprise, WLAN provides mobility, convenience, and low cost. However, an IEEE 802.11b/g wireless network uses the frequency of unlicensed 2.4GHz, which makes the network unsafe and more vulnerable than traditional Ethernet networks. As a result, anyone who is familiar with wireless network may initiate a Denial of Service (DoS) attack to influence the common communication of the network or even make it crash. In this paper, we present our studies on the DoS attacks and mitigation strategies for IEEE 802.11b/g WLANs and describe some initial implementations using IEEE 802.11b/g wireless devices.

Deng, Julia; Meng, Ke; Xiao, Yang; Xu, Roger

2010-04-01

462

Video movie making using remote procedure calls and 4BSD Unix sockets on Unix, UNICOS, and MS-DOS systems  

SciTech Connect

We describe the use of the Sun Remote Procedure Call and Unix socket interprocess communication mechanisms to provide the network transport for a distributed, client-server based, image handling system. Clients run under Unix or UNICOS and servers run under Unix or MS-DOS. The use of remote procedure calls across local or wide-area networks to make video movies is addressed.

Robertson, D.W.; Johnston, W.E.; Hall, D.E.; Rosenblum, M.

1990-03-01

463

Lack of Immune Responses to Mycobacterium tuberculosis DosR Regulon Proteins following Mycobacterium bovis BCG Vaccination  

Microsoft Academic Search

Mycobacterium bovis BCG is widely used as a vaccine against tuberculosis (TB), despite its variable protective efficacy. Relatively little is known about the immune response profiles following BCG vaccination in relation to protection against TB. Here we tested whether BCG vaccination results in immune responses to DosR (Rv3133c) regulon-encoded proteins. These so-called TB latency antigens are targeted by the immune

M. Y. Lin; A. Geluk; S. G. Smith; A. L. Stewart; A. H. Friggen; K. L. M. C. Franken; M. J. C. Verduyn; K. E. van Meijgaarden; M. I. Voskuil; H. M. Dockrell; K. Huygen; T. H. M. Ottenhoff; M. R. Klein

2007-01-01

464

Research on a Denial of Service (DoS) Detection System Based on Global Interdependent Behaviors in a Sensor Network Environment  

PubMed Central

This research suggests a Denial of Service (DoS) detection method based on the collection of interdependent behavior data in a sensor network environment. In order to collect the interdependent behavior data, we use a base station to analyze traffic and behaviors among nodes and introduce methods of detecting changes in the environment with precursor symptoms. The study presents a DoS Detection System based on Global Interdependent Behaviors and shows the result of detecting a sensor carrying out DoS attacks through the test-bed.

Song, Jae-gu; Jung, Sungmo; Kim, Jong Hyun; Seo, Dong Il; Kim, Seoksoo

2010-01-01

465

Research on a Denial of Service (DoS) detection system based on global interdependent behaviors in a sensor network environment.  

PubMed

This research suggests a Denial of Service (DoS) detection method based on the collection of interdependent behavior data in a sensor network environment. In order to collect the interdependent behavior data, we use a base station to analyze traffic and behaviors among nodes and introduce methods of detecting changes in the environment with precursor symptoms. The study presents a DoS Detection System based on Global Interdependent Behaviors and shows the result of detecting a sensor carrying out DoS attacks through the test-bed. PMID:22163475

Song, Jae-gu; Jung, Sungmo; Kim, Jong Hyun; Seo, Dong Il; Kim, Seoksoo

2010-11-17

466

ANÁLISE DOS INDICADORES DE HEMORRAGIA LETAL EM VÍTIMAS DE TRAUMA PENETRANTE DE TRONCO ADMITIDAS EM CHOQUE: UM MÉTODO OBJETIVO PARA SELECIONAR OS CANDIDATOS AO \\  

Microsoft Academic Search

RESUMO: Objetivo: Identificar os indicadores de hemorragia letal em vítimas de trauma penetrante de tronco, admitidas com hipotensão arterial sistêmica e analisar sua aplicabilidade na seleção dos candidatos ao \\

José Gustavo Parreira

467

(Pu-244)-Xe formation and gas retention age, exposure history, and terrestrial age of angrites LEW86010 and LEW87051 - Comparison with Angra DOS Reis  

NASA Astrophysics Data System (ADS)

Isotopic abundances of noble gases in two angrites LEW86010 and LEW87051 were investigated and compared with those for the basaltic achondrite Angra dos Reis. An atomic ratio Pu-244/Nd-150 = 0.00136 was calculated for LEW86010, which corresponds to a fission Xe retention age 19 +/-40 Ma younger than that of Angra dos Reis, indicating that LEW86010 formed contemporaneously with Angra dos Reis, for which a formation age of 4550 Ma was previously estimated. The LEW87051 angrite showed the lowest nominal U/Th-(He-4) gas retention age (4 Ma) ever observed for a stone meteorite. The cosmic-ray exposure histories for the three angrites were found to be very different: ages of 17.6 +/-1.0 and 0.2 or greater were calculated for LEW86010 and LEW87051, respectively, compared to a previously reported exposure age of 55.5 for Angra dos Reis.

Eugster, O.; Michel, Th.; Niedermann, S.

1991-10-01

468

AVALIA?ˆO DOS RISCOS DE ACIDENTES EM ATIVIDADES DE PODA DE `RVORES NA ARBORIZA?ˆO URBANA DO DISTRITO FEDERAL1  

Microsoft Academic Search

RESUMO ñ Esta pesquisa teve por objetivo avaliar os riscos de acidentes em atividades de poda de Ærvores na arborizaÁªo urbana do Distrito Federal. A coleta de dados foi feita com a aplicaÁªo de um questionÆrio em forma de entrevista individual. Responderam ao questionÆrio 94% dos funcionÆrios, sendo 92% do total dos operadores de motosserra e 95% do total de

Nilton CØsar Fiedler; Eduardo Hideki; Ailton Teixeira

469

The W-Beijing Lineage of Mycobacterium tuberculosis Overproduces Triglycerides and Has the DosR Dormancy Regulon Constitutively Upregulated?  

PubMed Central

The Beijing family of Mycobacterium tuberculosis strains has been associated with epidemic spread and an increased likelihood of developing drug resistance. The characteristics that predispose this family to such clinical outcomes have not been identified, although one potential candidate, the phenolic glycolipid PGL-tb, has been shown to mediate a fulminant lethal disease in mice and rabbits due to lipid-mediated immunosuppression. However, PGL-tb is not uniformly expressed throughout the Beijing lineage and may not be the only unique virulence trait associated with this family. In an attempt to define phenotypes common to all Beijing strains, we interrogated a carefully selected set of isolates representing the five extant lineages of the Beijing family. Comparison of lipid production in this set revealed that all Beijing strains accumulated large quantities of triacylglycerides in in vitro aerobic culture. This accumulation was found to be coincident with upregulation of Rv3130c, whose product was previously characterized as a triacylglyceride synthase. Rv3130c is a member of the DosR-controlled regulon of M. tuberculosis, and further examination revealed that several members of this regulon were upregulated throughout this strain family. The upregulation of the DosR regulon may confer an adaptive advantage for growth in microaerophilic or anaerobic environments encountered by the bacillus during infection and thus may be related to the epidemiological phenomena associated with this important strain lineage.

Reed, Michael B.; Gagneux, Sebastien; DeRiemer, Kathryn; Small, Peter M.; Barry, Clifton E.

2007-01-01

470

Supporting Security against SYN Flooding Attack in Distributed DoS Via Measuring IPFIX-Based Traffic  

NASA Astrophysics Data System (ADS)

Distributed denial-of-service attacks on public servers after 2000 have become a serious problem. In the distributed denial-of-service (DDoS) attacks often seen recently, multiple distributed nodes concurrently attack a single server. To assure that network services will not be interrupted, faster and more effective defense mechanisms is needed to protect against malicious traffic, especially SYN floods. One problem in detecting SYN flood traffic is that server nodes or firewalls cannot distinguish the SYN packets of normal TCP connections from those of a SYN flood attack. Our method, FDFIX, relies on the use of monitoring and measurement techniques to evaluate the impact of DoS attacks. It uses flow based measurements. Capturing flow information is very important for detecting DoS and also other kinds of attacks. Flow monitoring allows detecting suspicious traffics and in the next step can analyze attacking flows and the results can be used for defense methods. Our method provides required information for many mechanisms that use traffic measurement as their input.

Alipour, H.; Kia, M. Kashefi; Esmaeili, M.

471

Ultrastructural, antigenic and physicochemical characterization of the Mojuí dos Campos (Bunyavirus) isolated from bat in the Brazilian Amazon region.  

PubMed

The Mojuí dos Campos virus (MDCV) was isolated from the blood of an unidentified bat (Chiroptera) captured in Mojuí dos Campos, Santarém, State of Pará, Brazil, in 1975 and considerated to be antigenically different from other 102 arboviruses belonging to several antigenic groups isolated in the Amazon region or another region by complement fixation tests. The objective of this work was to develop a morphologic, an antigenic and physicochemical characterization of this virus. MDCV produces cytopathic effect in Vero cells, 24 h post-infection (p.i), and the degree of cellular destruction increases after a few hours. Negative staining electron microscopy of the supernatant of Vero cell cultures showed the presence of coated viral particles with a diameter of around 98 nm. Ultrathin sections of Vero cells, and brain and liver of newborn mice infected with MDCV showed an assembly of the viral particles into the Golgi vesicles. The synthesis kinetics of the proteins for MDCV were similar to that observed for other bunyaviruses, and viral proteins could be detected as early as 6 h p.i. Our results reinforce the original studies which had classified MDCV in the family Bunyaviridae, genus Bunyavirus as an ungrouped virus, and it may represent the prototype of a new serogroup. PMID:12048556

Wanzeller, Ana L M; Diniz, José A P; Gomes, Maria L C; Cruz, Ana C R; Soares, Manoel C P; de Souza, Wanderley; Travassos da Rosa, Amélia P A; Vasconcelos, Pedro F C

2002-04-01

472

A estabilidade dos PAHS em função da energia da radiação interestelar nas faixas UV e raios-X  

NASA Astrophysics Data System (ADS)

A nebulosa CRL 618, uma proto-nebulosa planetária cuja nuvem molecular espessa envolve uma estrela B0, contém uma grande quantidade de C2H2 e CH4. Estas moléculas são consideradas os tijolos da criação de grandes moléculas carbonadas como os Hidrocarbonetos Policíclicos Aromáticos (PAHs). Esta nebulosa, por estar exposta a intensos campos de UV e Raios-X, é uma região de fotodissociação molecular que propicia a formação de novas moléculas, confirmada pela presença de C4H2 e C6H6 (Benzeno), que é a unidade básica dos PAHs. Atribui-se a esta família de moléculas orgânicas duas propriedades fundamentais, a resistência para sobreviver ao campo de radiação UV interestelar e a geração das bandas de emissão não identificadas (UIR) observadas no infravermelho. No entanto, alguns autores questionam a resistência dos PAHs ao campo de radiação UV interestelar. Empregando a técnica de Espectrometria de Massas por Tempo de Vôo, no modo de coincidência fotoelétron-fotoíon, estudamos a ionização e fragmentação das seguintes moléculas: Benzeno, Benzeno deuterado, Naftaleno, Antraceno e Fenantreno. Utilizamos uma fonte de Hélio monocromática em 21,21 eV (584,5 Å) e a radiação Síncroton do Laboratório Nacional de Luz Síncroton (LNLS) em diferentes energias nas proximidades da borda do C 1s ( 290 eV). Comprovamos a estabilidade dos PAHs sob ação de UV (21,21 eV), onde eles apresentam um baixo nível de fotodissociação, produzindo fragmentos ionizados com rendimento total na ordem de 5 por cento em relação ao íon molecular pai. Entretanto, em altas energias, na faixa de Raios-X, a quebra destas moléculas torna-se mais intensa, com a produção de muitos fragmentos. Como uma das rotas de fragmentação do Naftaleno é [(C10H8) = > (C6H6+) + (C4H2) + (e-)], e como temos as evidências observacionais da existência do C4H2 e C6H6 na nebulosa CRL 618, sugerimos que este ambiente também possui o Naftaleno.

Pinotti, R.; Costa, R. K.; Boechat-Roberty, H. M.; Lago, A.; Souza, G. B.

2003-08-01

473

Assessment of human health risk from organochlorine pesticide residues in Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, Brazil.  

PubMed

This article presents the results of a heath risk assessment in Cidade dos Meninos, an area contaminated with organochlorine pesticide residues located in the county (municipality) of Duque de Caxias, Rio de Janeiro State, Brazil. The Agency for Toxic Substances and Disease Registry (ATSDR) risk assessment methodology was applied. The following organochlorine compounds exceeded the established limits and were considered target pollutants: HCH and its isomers (in eggs, milk, and soil); DDT and its metabolites; trichlorobenzenes; trichlorophenols; dioxins and furans (eggs and soil). For all the substances studied (with the exception of trichlorophenols), the estimated doses exceeded the minimum risk levels for chronically exposed children and adults. According to the ATSDR classification, the area was considered an "urgent public health hazard" because of its high and serious exposure to substances that are dangerous to human health. PMID:18392352

Asmus, Carmen Ildes R Fróes; Alonzo, Herling Gregorio Aguilar; Palácios, Marisa; Silva, Alexandre Pessoa da; Freitas Filhote, Maria Isabel de; Buosi, Daniela; Câmara, Volney de Magalhães

2008-04-01

474

Long term exposure to organochlorine pesticides and thyroid function in children from Cidade dos Meninos, Rio de Janeiro, Brazil.  

PubMed

A pesticide factory in Cidade dos Meninos village, Duque de Caxias County, Rio de Janeiro, Brazil, ended its activity in 1961, leading to widespread contamination of the environment by several organochlorine pesticides. The aim of this study was to investigate the effects of chronic exposure to organochlorine pesticides on thyroid hormone levels in children residing in Cidade dos Meninos. In a population-based survey carried out between 2003 and 2004, serum concentration of 19 pesticides and levels of free thyroxine (T4), total triiodothyronine (T3) and thyroid-stimulating hormone (TSH) were determined in 193 children younger than 15 years old. Multivariate linear regression was conducted to examine thyroid hormone levels according to quintiles of organochlorine exposure, controlling for age, gender and serum lipid content. Free T4 and TSH levels were within reference values (0.7-1.8 ng/dl and 0.35-5.5 mU/l), whereas total T3 was above the reference range (80-180 ng/dl) in 28% of children. More than 60% of the children had detectable levels of most organochlorine pesticides. With the exception of heptachlor and methoxychlor, total T3 levels showed a significant increasing linear trend regardless of pesticide type to which children were exposed. Free T4 levels were positively and significantly associated only with exposure to p,p'-DDD, endosulfan 1, and dieldrin. No significant trend was found for TSH. Data showed that exposure of children to organochlorine pesticides produced a significant increase in serum total T3 concentrations. The clinical implications of such a total T3 elevation and subsequent development are uncertain and warrant the need for health monitoring of these children. PMID:22776325

Freire, Carmen; Koifman, Rosalina Jorge; Sarcinelli, Paula; Rosa, Ana Cristina; Clapauch, Ruth; Koifman, Sergio

2012-07-07

475

Application of geostatistical methods to arsenic data from soil samples of the Cova dos Mouros mine (Vila Verde-Portugal).  

PubMed

A total of 286 soil samples were collected in the Cova dos Mouros area. All samples were dry sieved into the <200 mesh size fraction and analysed for Fe, Cu, Zn, Pb, Co, Ni, Bi and Mn by atomic absorption spectrometry (AAS) and for As, Se, Sb and Te by atomic absorption spectrometry-hydrid generation (AAS-HG). Only the results of arsenic are discussed in this paper although the survey was extended to all analysed chemical elements. The purpose of this study was to make a risk probability mapping for arsenic that would allow better knowledge about the vulnerability of the soil to arsenic contamination. To achieve this purpose, the initial variable was transformed into an indicator variable using as thresholds the risk-based standards (intervention values) for soils, as proposed by [Swartjes 1999. Risk based assessment of soil and groundwater quality in the Netherlands: Standards and remediation. J. Geochem. Explor.73 1-10]. To account for spatial structure, sample variograms were computed for the main directions of the sampling grid and a spherical model was fitted to each sample variogram (arsenic variable and indicator variables). The parameters of the spherical model fitted to the arsenic variable were used to predict arsenic concentrations at unsampled locations. A risk probability mapping was also done to assess the vulnerability of the soil towards the mining works. The parameters of the spherical model fitted to each indicator variable were used to estimate probabilities of exceeding the corresponding threshold. The use of indicator kriging as an alternative to ordinary kriging for the soil data of Cova dos Mouros produced unbiased probability maps that allowed assessment of the quality of the soil. PMID:16059781

Reis, A P; Sousa, A J; Da Silva, E Ferreira; Fonseca, E Cardoso

2005-09-01

476

Power-efficiency trade-off due to density of states (DOS) distortion in a molecular thermoelectric system  

NASA Astrophysics Data System (ADS)

The issue of how a distortion in the electronic DOS affects nanoscale thermoelectric performance is addressed within an ``electrical engineering'' perspective. This view point is based on the direct evaluation of the overall efficiency and power from device current-voltage characteristics and gives a more complete picture of the thermoelectric performance in comparison to the traditional ``figure of merit'' based material science approach. We use representative examples from molecular conduction to study the trade-off between maximum efficiency and the maximum power generated within the set up. The trade-off is maximum for the well known example of a sharply resonant molecular level which represents the ultimate distortion in the electronic density of states. As the distortion is reduced via contact induced broadening, we obtain a smaller trade-off between maximum power and efficiency. We then present the effects of self consistent charging, contact induced asymmetry and the HOMO-LUMO gap on the thermoelectric performance. In all cases we compare our non-equilibrium calculations with zT calculations, and our results depict that zT is not the sole metric for the assessment of nanoscale thermoelectric performance.

Desouza, Priyanka; Muralidharan, Bhaskaran

2013-03-01

477

EFICIÊNCIA DE REMOÇÃO DE POLUENTES EM DIVERSAS ETAPAS DO TRATAMENTO DAS ÁGUAS RESIDUÁRIAS DA LAVAGEM E DESPOLPA DOS FRUTOS DO CAFEEIRO1  

Microsoft Academic Search

RESUMO: O presente trabalho teve por objetivo avaliar a eficiência na remoção de poluentes no pré- tratamento, tratamento primário e secundário de águas residuárias da lavagem e despolpa dos frutos do cafeeiro. Foram coletadas amostras em sete pontos distintos, ao longo do sistema de tratamentos para análise da DBO, DQO, sólidos sedimentáveis (SP), sólidos totais (ST), sólidos fixos totais (SFT),

Roberta Alessandra; Bruschi GONÇALVES; Antonio Teixeira de MATOS

478

Evaluating Network-Based DoS Attacks under the Energy Consumption Perspective: New Security Issues in the Coming Green ICT Area  

Microsoft Academic Search

In the green Information and Communication Society (ICS), new form of Denial of Service (DoS) attacks may be put in place: exploiting the computational and storage resources of datacenters with the aim of consuming as much energy as possible, causing detrimental effects, from high costs in the energy bill, to penalization for exceeding the agreed quantity of CO2 emissions, up

Francesco Palmieri; Sergio Ricciardi; Ugo Fiore

2011-01-01

479

SOBRE O VALOR ECONÔMICO DO SISTEMA DE IDENTIFICAÇÃO ANIMAL DOS EUA (NAIS): NOTÍCIAS A RESPEITO DO MAU DA VACA LOUCA AFETAM O CONSUMO DE CARNES?  

Microsoft Academic Search

Esse artigo investiga os efeitos de notícias a respeito do mau da vaca louca ou BSE sobre o consumo das carnes bovina, suína e de aves nos EUA. Presume-se que o sistema nacional de identificação animal (NAIS) poderia em tese atenuar a percepção de risco dos consumidores sobre contrair o mau da vaca louca ao consumir carnes. Sistemas de equações

Moises de Andrade Resende Filho; Brian L. Buhr

2008-01-01

480

GESTÃO DA INFORMAÇÃO E MONITORAMENTO TECNOLÓGICO: O MERCADO DOS FUTUROS GENÉRICOS INFORMATION MANAGEMENT AND TECHNOLOGICAL MONITORING: THE MARKET FOR FUTURE GENERIC DRUGS  

Microsoft Academic Search

Resumo: O presente estudo sobre o mercado dos medicamentos genéricos visa demonstrar, dentre outras, a gestão da informação como mecanismo de apoio ao monitoramento tecnológico e tomada de decisão, tendo como vetor principal análise de patentes. Este estudo aplica a metodologia de inteligência competitiva no sentido de viabilizar a monitoração de drogas genéricas (ind. farmoquímica), bem como formulações (ind. farmacêutica),

Claudia CANONGIA; Adelaide ANTUNES; Maria de Nazaré PEREIRA

481

Análisis del comportamiento genético de dos grupos germoplásmicos complementarios de maíz Analysis of the genetic performance of two germoplasm complementary groups of maize  

Microsoft Academic Search

Resumen Cuando se está interesado en el mejoramiento de los híbridos resultantes del cruzamiento entre individuos de dos poblaciones, se recomienda conocer el comportamiento genético de las características de importancia económica de cada población, para elegir la estrategia de selección que permita obtener híbridos con mayores ventajas agronómicas. El método IV de los cruzamientos dialélicos propuestos por Griffing se ha

Humberto De León Castillo; José Espinoza Velásquez; Daniel Sámano Garduño

482

AVALIAÇÃO DO ESTADO QUÍMICO E ECOLÓGICO DOS CORPOS D' ÁGUA SOB O ENFOQUE DA NOVA DIRETRIZ DA ÁGUA DA UNIÃO EUROPÉIA  

Microsoft Academic Search

Desde os anos 90 existe um esforço da União Européia em promover a proteção ecológica dos corpos d'água. Com a nova Diretriz da Água do Parlamento Europeu e do Conselho, de 23 de Outubro de 2000, pela primeira vez, uma orientação ecológica foi atingida na União Européia. Várias ações estão sendo implementadas, dentre elas ressalta-se o estabelecimento de um plano

Alessandra Maciel; Maria do Carmo Sobral; Günter Gunkel

483

Avaliação dos Efeitos da Radiação Gama nos Teores de Carotenóides, Ácido Ascórbico e Açúcares do Fruto Buriti do Brejo (Mauritia flexuosa L.)  

Microsoft Academic Search

RESUMO Buriti do Brejo (Mauritia flexuosa L.) é um típico fruto da Amazônia, Nordeste e Centro-Oeste brasileiro, muito utilizado na culinária para produção de sucos, doces e vinhos. É considerado uma excelente fonte de carotenóides precursores da vitamina A, apresentando maior concentração de ?-caroteno. Além dos carotenóides também encontramos ácido ascórbico e açúcares. O ácido ascórbico administrado em quantidades suficientes

Antonio Luís; Santos LIMA; Keila dos Santos; Cople LIMA; Maysa Joppert COELHO; Jaqueline Michele

2009-01-01

484

Immunogenicity of Novel DosR Regulon-Encoded Candidate Antigens of Mycobacterium tuberculosis in Three High-Burden Populations in Africa? †  

PubMed Central

Increasing knowledge about DosR regulon-encoded proteins has led us to produce novel Mycobacterium tuberculosis antigens for immunogenicity testing in human populations in three countries in Africa to which tuberculosis (TB) is endemic. A total of 131 tuberculin skin test-positive and/or ESAT-6/CFP10-positive, human immunodeficiency virus-negative adult household contacts of active pulmonary TB cases from South Africa (n = 56), The Gambia (n = 26), and Uganda (n = 49) were tested for gamma interferon responses to 7 classical and 51 DosR regulon-encoded M. tuberculosis recombinant protein antigens. ESAT-6/CFP10 fusion protein evoked responses in >75% of study participants in all three countries. Of the DosR regulon-encoded antigens tested, Rv1733c was the most commonly recognized by participants from both South Africa and Uganda and the third most commonly recognized antigen in The Gambia. The four most frequently recognized DosR regulon-encoded antigens in Uganda (Rv1733c, Rv0081, Rv1735c, and Rv1737c) included the three most immunogenic antigens in South Africa. In contrast, Rv3131 induced the highest percentage of responders in Gambian contacts (38%), compared to only 3.4% of Ugandan contacts and no South African contacts. Appreciable percentages of TB contacts with a high likelihood of latent M. tuberculosis infection responded to several novel DosR regulon-encoded M. tuberculosis proteins. In addition to significant similarities in antigen recognition profiles between the three African population groups, there were also disparities, which may stem from genetic differences between both pathogen and host populations. Our findings have implications for the selection of potential TB vaccine candidates and for determining biosignatures of latent M. tuberculosis infection, active TB disease, and protective immunity.

Black, Gillian F.; Thiel, Bonnie A.; Ota, Martin O.; Parida, Shreemanta K.; Adegbola, Richard; Boom, W. Henry; Dockrell, Hazel M.; Franken, Kees L. M. C.; Friggen, Annemiek H.; Hill, Philip C.; Klein, Michel R.; Lalor, Maeve K.; Mayanja, Harriet; Schoolnik, Gary; Stanley, Kim; Weldingh, Karin; Kaufmann, Stefan H. E.; Walzl, Gerhard; Ottenhoff, Tom H. M.

2009-01-01

485

Activation of ATP binding for the autophosphorylation of DosS, a Mycobacterium tuberculosis histidine kinase lacking an ATP lid motif.  

PubMed

The sensor histidine kinases of Mycobacterium tuberculosis, DosS and DosT, are responsible for sensing hypoxic conditions and consist of sensor and kinase cores responsible for accepting signals and phosphorylation activity, respectively. The kinase core contains a dimerization and histidine phosphate-accepting (DHp) domain and an ATP binding domain (ABD). The 13 histidine kinase genes of M. tuberculosis can be grouped based on the presence or absence of the ATP lid motif and F box (elements known to play roles in ATP binding) in their ABDs; DosS and DosT have ABDs lacking both these elements, and the crystal structures of their ABDs indicated that they were unsuitable for ATP binding, as a short loop covers the putative ATP binding site. Although the ABD alone cannot bind ATP, the kinase core is functional in autophosphorylation. Appropriate spatial arrangement of the ABD and DHp domain within the kinase core is required for both autophosphorylation and ATP binding. An ionic interaction between Arg(440) in the DHp domain and Glu(537) in the short loop of the ABD is available and may open the ATP binding site, by repositioning the short loop away from the site. Mutations at Arg(440) and Glu(537) reduce autophosphorylation activity. Unlike other histidine kinases containing an ATP lid, which protects bound ATP, DosS is unable to accept ATP until the ABD is properly positioned relative to the histidine; this may prevent unexpected ATP reactions. ATP binding can, therefore, function as a control mechanism for histidine kinase activity. PMID:23486471

Cho, Ha Yeon; Lee, Young-Hoon; Bae, Young-Seuk; Kim, Eungbin; Kang, Beom Sik

2013-03-13

486

ParticiPação dos Pais na tomada de decisões no atendimento odontológico de seus filhos PaRent' S ROle On the deCiSiOn taking Of theiR ChildRen' S dental tReatment  

Microsoft Academic Search

resumo Introdução: Segundo o Código de Ética Odontológica, é considerada infração o atendimento de pacientes infantis sem o consentimento dos pais ou responsáveis, salvo em situações de urgência. No tratamento odontopediátrico, é indispensável o esclarecimento dos pais em relação aos procedimentos a que seus filhos serão submetidos, as opções de tratamento existentes e seus custos, para que eles possam emitir

Monique Santos Machado; Helen Cristhiane; Muller Nagano; Juliana Yassue; Barbosa da Silva; Vera Lúcia Bosco

487

Cat?licos, fidelidade conjugal e AIDS: entre a cruz da doutrina moral e as espadas do cotidiano sexual dos adeptos1  

PubMed Central

Neste artigo discutimos a visão da Igreja Católica sobre sexualidade na interface com a epidemia do HIV/AIDS. Nossa reflexão está embasada em pesquisa etnográfica que envolveu dois meses de observação participante do cotidiano de católicos de um bairro popular da Região Metropolitana do Recife, além de contar com entrevistas a onze dos leigos engajados nos serviços religiosos da igreja do bairro e a oito sacerdotes que realizam seus trabalhos religiosos em outras localidades. Nelas abordamos diferentes temáticas relacionadas ao enfrentamento da epidemia da AIDS. Nesse contexto, conjugalidade e fidelidade se afiguram como importantes analisadores de como aqueles lidam com a epidemia, em uma variedade de re-descrições práticas e de re-interpretações conceptuais das assertivas do discurso moral religioso – ainda que, muitos impasses permaneçam em aberto em termos das prerrogativas da Igreja e seus possíveis rebatimentos na saúde sexual dos adeptos.

Rios, Luis Felipe; de Aquino, Francisca Luciana; Munoz-Laboy, Miguel; Oliveira, Cinthia; Parker, Richard

2009-01-01

488

Stratigraphy of fluvial sediment sequences and their palaeoenvironmental information in the foreland of the Serra dos Órgãos, southeastern Brazil  

NASA Astrophysics Data System (ADS)

In the hinterland of Rio de Janeiro city the rivers Guapiaçu, Macacu and Iconha originate in the Serra dos Órgãos mountain range and drain into the Atlantic Ocean. Since their channelization in the 1950s, higher flow velocities caused an incision of the rivers into the valley fills. These circumstances provide the possibility to study the alluvial deposits along the streams during low water level and allow conclusions on palaeoenvironmental change and landscape history. Sedimentological investigations of 13 exposures as well as AMS 14C measurements were carried out to investigate sediment properties and reconstruct the sedimentation history within the floodplains. These results enable to distinguish three different facies units. A late Pleistocene Unit I can be detected at the base of the observed exposures and consists of clast-supported fine to coarse gravels. It can be assumed that the gravel bodies were formed by a climatically induced erosional-depositional cycle within a braided river system. The gravels are overlaid by Unit II, a grayish to bluish loam mainly of mid-Holocene age. During generally drier climates these loams have been deposited during high water stages or flooding events as a splay facies proximal to the rivers. A reduced flow competence and relatively stable morphodynamic conditions are assumed for that period. Unit III accumulated in the late Holocene typically consists of several meters of planar or cross bedded sands to fine gravels, interfingered by loamy inclusions, buried peat bogs and organic debris. Fining-upward sequences can be frequently studied within Unit III which were completed by loamy sediments in the uppermost parts of the exposures. The increased flow competence from Unit II to Unit III seems to be a fluvial response to the increased humidity of the late Holocene as well as the enhancement of El Niño-Southern Oscillation (ENSO). Heavy rainfall likely caused higher sediment supply from the steep slopes as well as a reworking of sediments followed by sedimentation in the floodplains. The development of the uppermost loams is attributed to deforestation and land use intensification in historical times which led to higher erosion rates and related sediment loads. An increased human impact can be postulated for the last 250 years.

Kirchner, André; Nehren, Udo; Heinrich, Jürgen

2013-04-01

489

Corrosion of bronze alloy with some lead content: implications in the archaeometallurgical study of Late Bronze Age metal artefacts from Fraga dos Corvos (northern Portugal)  

Microsoft Academic Search

Distinguishing bronzes with low lead contentfrom those with high lead content through non-destructive surface techniques, such as energy dispersive X-ray spectrometry (EDXRF) performed over corrosion layers, can be very dubious. Three artefacts andfour metalfragments dated to the Late Bronze Age, found in a rock shelter at the Fraga dos Corvos archaeological site in northern Portugal, have been analyszed through non-invasive

Elin Figueiredoasb; Maria de Fátima Araújo; Cidade Estrada

490

The Serra Pelada Au-PGE deposit, Serra dos Carajás (Pará State, Brazil): geological and geochemical indications for a composite mineralising process  

Microsoft Academic Search

The Serra Pelada Au-PGE-rich deposit is located in the Serra dos Carajás, a leading mining area in Brazil. This region is characterised by a complex geological and structural framework and is affected by deep lateritisation which has lasted for more than 70 Ma. The Serra Pelada deposit is emplaced in a late-Archean low-grade metasedimentary sequence (Rio Fresco\\/Águas Claras Formation) which

Marilena Moroni; Vicente A. Girardi; Alfredo Ferrario

2001-01-01

491

Exposure pathways to HCH and DDT in Cidade dos Meninos and its surrounding districts of Amapa, Figueiras and Pilar, metropolitan regions of Rio de Janeiro, Brazil.  

PubMed

In 1989, the Rio de Janeiro State environmental agency (FEEMA) after a preliminary survey of the site known as Cidade dos Meninos, collected and disposed in a safe area tons of a pesticide that was spread in and around the ruins of an old hexachlorocyclohexane (HCH) factory. The aim of this article is three-fold: (i) To investigate the existing HCH and DDT contamination levels in soil, water, air, vegetables and grasses at the Cidade dos Meninos site and the surrounding districts of Amapa, Figueiras and Pilar; (ii) To identify the main environmental exposure pathways present in the study area, and (iii) To propose a health hazard classification for this area. The results showed the presence of high levels of total HCH and DDT in the environmental media samples, especially in those collected in the district Cidade dos Meninos. This district is also the one that produces more food (vegetables, milk and meat) for local and outside population. The environmental data correlated to the socio-economic, food diet and local health conditions led to the identification of four complete exposure pathways to HCH and DDT (surface soil, access road, food chain and ambient air). Using the ATSDR (1996) and Magalhães (2000) criteria the site was classified in two public health hazard categories: Category II - hazard for public health, and category III - indeterminate hazard for public health. PMID:16611565

Brilhante, Ogenis M; Franco, Robson

2006-06-01

492

Impact of a problem-based learning conference on surgery residents' in training exam (ABSITE) scores. American Board of Surgery in Training Exam.  

PubMed

The impact of problem-based learning on surgery residents' education is unknown. In this study we measured the impact of a weekly structured problem-based learning conference on surgery residents' ABSITE scores and compared it to traditional clinical conferences and self-studying. A questionnaire was designed to determine the perceived quality of the basic (PQCB), and the clinical (PQCC) conferences as well as self-studying (PQCS). The Pearson correlation between PQCB, PQCC, PQCS, and attendance at the basic science conference and each of the ABSITE total score (ABSITE), basic science (BS) and clinical science (CS) component scores were calculated. PQCS (4.2) was significantly higher than PQCB (2.9) and PQCC (2.5) (P = 0.0002). PQCS and PQCB correlated highly with each of ABSITE, CS, and BS while PQCc did not show any correlation. A high correlation was also observed between attendance at basic science and each of ABSITE, CS, and BS but narrowly missed significance. It was also observed that BS scores highly correlated to the CS scores at all postgraduate levels (P = 0.0001). We conclude that performance on all components of the ABSITE is mostly dependent on individual residents. This individual factor is boosted by self-studying which can be motivated by instituting a problem-based learning technique within the program. Traditional conferences even if popular among residents have no impact on measurement tests. PMID:9228930

Itani, K M; Miller, C C; Church, H M; McCollum, C H

1997-06-01

493

2.3 ? X-ray Structure of the Heme-Bound GAF Domain of Sensory Histidine Kinase DosT of Mycobacterium tuberculosis†  

PubMed Central

Mycobacterium tuberculosis responds to the changes in environmental conditions through a two-component signaling system that detects reduced O2 tension and NO and CO exposures via the heme-binding GAF domains of two sensory histidine kinases, DosT and DevS, and the transcriptional regulator DosR. We report the first x-ray structure of the DosT heme-bound GAF domain (GAFDosT) in both oxy and deoxy forms determined to a resolution of 2.3 Å. In GAFDosT, heme binds in an orientation orthogonal to that in the PAS domains via a highly conserved motif including invariant H147 as a proximal heme axial ligand. On the distal side, invariant Y169 is in stacking interactions with the heme with its long axis parallel and the plane of the ring orthogonal to the heme plane. In one of the two protein monomers in an asymmetric unit, O2 binds as a second axial ligand to the heme iron, and is stabilized via an H-bond to the OH-group of Y169. The structure reveals two small tunnel-connected cavities and a pore on the protein surface that suggest a potential route for O2 access to the sensing pocket. The limited conformational differences observed between differently heme iron-ligated GAFDosT monomers in the asymmetric unit may result from crystal lattice limitations since atmospheric oxygen binding likely occurs in the crystal as a result of x-ray induced Fe3+ photoreduction during diffraction data collection. Determination of the GAFDosT structure sets up a framework in which to address ligand-recognition, discrimination, and signal propagation schemes in the heme-based GAF domains of biological sensors.

Podust, Larissa M.; Ioanoviciu, Alexandra; Ortiz de Montellano, Paul R.

2009-01-01

495

The Caenorhabditis elegans EGL-15 Signaling Pathway Implicates a DOS-Like Multisubstrate Adaptor Protein in Fibroblast Growth Factor Signal Transduction  

PubMed Central

EGL-15 is a fibroblast growth factor receptor in the nematode Caenorhabditis elegans. Components that mediate EGL-15 signaling have been identified via mutations that confer a Clear (Clr) phenotype, indicative of hyperactivity of this pathway, or a suppressor-of-Clr (Soc) phenotype, indicative of reduced pathway activity. We have isolated a gain-of-function allele of let-60 ras that confers a Clr phenotype and implicated both let-60 ras and components of a mitogen-activated protein kinase cascade in EGL-15 signaling by their Soc phenotype. Epistasis analysis indicates that the gene soc-1 functions in EGL-15 signaling by acting either upstream of or independently of LET-60 RAS. soc-1 encodes a multisubstrate adaptor protein with an amino-terminal pleckstrin homology domain that is structurally similar to the DOS protein in Drosophila and mammalian GAB1. DOS is known to act with the cytoplasmic tyrosine phosphatase Corkscrew (CSW) in signaling pathways in Drosophila. Similarly, the C. elegans CSW ortholog PTP-2 was found to be involved in EGL-15 signaling. Structure-function analysis of SOC-1 and phenotypic analysis of single and double mutants are consistent with a model in which SOC-1 and PTP-2 act together in a pathway downstream of EGL-15 and the Src homology domain 2 (SH2)/SH3-adaptor protein SEM-5/GRB2 contributes to SOC-1-independent activities of EGL-15.

Schutzman, Jennifer L.; Borland, Christina Z.; Newman, John C.; Robinson, Matthew K.; Kokel, Michelle; Stern, Michael J.

2001-01-01

496

[Residual concentration of hexachlorocyclohexane in a contaminated site in Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, Brazil, after calcium oxide treatment].  

PubMed

Hexachlorocyclohexanes (HCHs) are currently considered potentially carcinogenic to humans. In Brasil, severe soil contamination by HCHs has been identified at Cidade dos Meninos, Duque de Caxias, Rio de Janeiro, where an old HCH factory was abandoned 40 years ago, leaving 1,700 local residents at risk. Calcium oxide treatment was performed on the most heavily contaminated (focus) area. Analysis of superficial soil samples collected years after treatment still showed high residual HCH. Contamination levels as high as 6,200mg/Kg and 7,320mg/Kg were found for alpha- and beta-HCH isomers. For the gamma- and delta-HCH isomers, concentrations reached up to 140mg/Kg and 530mg/Kg, respectively. The results showed that calcium oxide treatment was not efficient to decontaminate the soil in this area. PMID:12764460

de Oliveira, Rosália Maria; Bastos, Lúcia Helena Pinto; de Oliveira e Dias, Ana Elisa Xavier; da Silva, Sérgio Alves; Moreira, Josino Costa

2003-05-15

497

The Effect of an End-of-Clerkship Review Session on NBME Psychiatry Subject Exam Scores  

ERIC Educational Resources Information Center

Objective: The NBME Psychiatry Subject Examination (PSE) is used throughout North America to test MS-III end-of-clerkship knowledge; yet, literature on PSE preparatory methods remains sparse. This study assesses the effect of a curriculum intervention on NBME PSE scores. Method: An optional 1.5-hour review session and accompanying…

Sidhu, Shawn S.; Chandra, Rohit M.; Wang, Lei; Gollan, Jacqueline K.; Rasminsky, Sonya; Brar, Simerjeet K.; Anzia, Joan M.

2012-01-01

498

Injury from rape and consensual sexual intercourse: role of skin colour and time to exam  

Microsoft Academic Search

Rape is a global health risk for women. We are exploring the role of skin colour in the management of rape injury.Aims(1) to estimate the prevalence of genital injury after consensual sexual intercourse (CSI); (2) to determine whether injury prevalence varies by ethnicity and skin colour; (3) to evaluate whether recent (?24 h) CSI increases injury from baseline.MethodsA cross-sectional design

M S Sommers; J S Everett; J D Fargo

2010-01-01

499

Competency Exams for Food Production-Related Occupations. Student and Instructor Manuals.  

ERIC Educational Resources Information Center

|This document contains 20 competency-based examinations with student and instructor manuals for food production-related occupations. For each of the examinations, the student manual contains the following: the competency, the performance objective, directions, the materials and equipment needed, a space to note time started and time finished, and…

Southworth, Julie; Kammerer, William R.

500

'Letting them loose!' A different approach to a biochemistry post-exam training session.  

PubMed

This feature looks at changing the format of a well-established information skills session for first-year biochemistry students at UCL, to improve its design, delivery and the overall learning experience for the students. After reviewing current literature, active learning methods were explored and an idea of a research-based quiz based on famous scientists was devised. After a brief introduction to the library resources available, the students were 'let loose' to research their particular scientist and answer a series of questions. Feedback was gained and evaluated and concluded that the session was well received by students. The feature also raises the discussion of generic verses subject-based information skills training. H.S. PMID:23413797

Flint, Lisa

2013-03-01