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Sample records for 1-2 textbook analysis

  1. Comparative Textbook Analysis

    ERIC Educational Resources Information Center

    Bachmann, Siegfried

    1976-01-01

    Recalls the development of the International Textbook Institute whose main aim was to overcome prejudice and the outmoded values of the national state as contained in textbooks. Discusses the contributions of the Council of Europe and UNESCO in revising textbooks and suggests methods of textbook research. (Author/RK)

  2. Syntactical Analysis of Economics Textbooks.

    ERIC Educational Resources Information Center

    Wilcox, George K.

    An analysis of the syntax of economics textbooks was undertaken to (1) provide real-language examples of the difficult grammatical structures being taught in an advanced economics reading course, and (2) construct a factual database of the nature of economics textbooks. Five texts representative of those typically used in introductory economics…

  3. Introductory Psychology Textbooks: An Objective Analysis Update

    ERIC Educational Resources Information Center

    Griggs, Richard A.; Jackson, Sherri L.

    2013-01-01

    It has been 13 years since the last objective analysis of full-length introductory psychology textbooks was published and 15 years since the textbook copyright period used in that study, 1995-1997. Given the importance of informed textbook evaluation and selection to the introductory course but the difficulty of this task because of the large…

  4. A Role for Language Analysis in Mathematics Textbook Analysis

    ERIC Educational Resources Information Center

    O'Keeffe, Lisa; O'Donoghue, John

    2015-01-01

    In current textbook analysis research, there is a strong focus on the content, structure and expectation presented by the textbook as elements for analysis. This research moves beyond such foci and proposes a framework for textbook language analysis which is intended to be integrated into an overall framework for mathematics textbook analysis. The…

  5. Textbooks for Responsible Data Analysis in Excel

    ERIC Educational Resources Information Center

    Garrett, Nathan

    2015-01-01

    With 27 million users, Excel (Microsoft Corporation, Seattle, WA) is the most common business data analysis software. However, audits show that almost all complex spreadsheets have errors. The author examined textbooks to understand why responsible data analysis is taught. A purposeful sample of 10 textbooks was coded, and then compared against…

  6. Research Methods Textbooks: An Objective Analysis.

    ERIC Educational Resources Information Center

    Jackson, Sherri L.; Lugo, Susan M.; Griggs, Richard A.

    2001-01-01

    Presents an analysis of undergraduate methods course textbooks (n=26) published in the United States with copyright dates from 1995-1999. Examines aspects of the textbooks, such as demographic qualities, use of pedagogical aids and illustrative material, and topic coverage. Includes the results in detail. (CMK)

  7. An Economic Analysis of Textbook Pricing and Textbook Markets. ACSFA College Textbook Cost Study Plan Proposal

    ERIC Educational Resources Information Center

    Koch, James V.

    2006-01-01

    Between 1986 and 2004, textbook prices rose 186 percent in the United States, or slightly more than six percent per year. Meanwhile, other prices rose only about three percent per year. This paper examines the economic reasons why textbook prices have escalated so briskly and what reasonable alternatives are available that might slow down these…

  8. Multiple Intelligences Theory and Iranian Textbooks: An Analysis

    ERIC Educational Resources Information Center

    Taase, Yoones

    2012-01-01

    The purpose of this study is to investigate locally designed ELT textbooks in the light of multiple intelligences theory. Three textbooks (grade 1.2.3) used in guidance school of Iranian educational system were analyzed using MI checklist developed by Botelho, Mario do Rozarioand. Catered for kinds of intelligences in the activities and exercises…

  9. Morphemic Analysis as Imagined by Developmental Reading Textbooks: A Content Analysis of a Textbook Corpus

    ERIC Educational Resources Information Center

    Roth, Daniel

    2017-01-01

    Although vocabulary instruction is a pressing need for postsecondary reading instructors, a minimal amount of current postsecondary scholarship addresses this need, and almost no current scholarship addresses the textbook tradition of morphemic analysis (MA). The present article reviews the literature on MA instruction and argues for teaching MA…

  10. An Analysis of the Readability of Financial Accounting Textbooks.

    ERIC Educational Resources Information Center

    Smith, Gerald; And Others

    1981-01-01

    The Flesch formula was used to calculate the readability of 15 financial accounting textbooks. The 15 textbooks represented introductory, intermediate, and advanced levels and also were classified by five different publishers. Two-way analysis of variance and Tukey's post hoc analysis revealed some significant differences. (Author/CT)

  11. Environmental Education in Macedonian Schools: A Comparative Analysis of Textbooks

    ERIC Educational Resources Information Center

    Srbinovski, Mile

    2013-01-01

    The purpose of this article is to describe and discuss an analysis of the extent to which environmental issues are addressed in the textbooks in the schools of the Republic of Macedonia. Research has analyzed a range of textbooks (279) published in the past 15 years. Our fundamental conclusion is that the inclusion of environmental issues in the…

  12. Disability in Physical Education Textbooks: An Analysis of Image Content

    ERIC Educational Resources Information Center

    Taboas-Pais, Maria Ines; Rey-Cao, Ana

    2012-01-01

    The aim of this paper is to show how images of disability are portrayed in physical education textbooks for secondary schools in Spain. The sample was composed of 3,316 images published in 36 textbooks by 10 publishing houses. A content analysis was carried out using a coding scheme based on categories employed in other similar studies and adapted…

  13. A readability analysis of elementary-level science textbooks

    NASA Astrophysics Data System (ADS)

    Trainer, Robyn

    Given both the unprecedented attention to the importance of providing children with the best possible science textbooks and the overwhelming evidence that students in the United States are severely lacking the most basic science knowledge, the decline in the number of students pursuing science degrees is alarming. In spite of all the efforts being made, a disparity still exists between (1) the wealth of science information available, (2) the apparent ease of access to scientific information, and (3) the lack of scientific academic progress being made in classrooms across the United States. A literature review was conducted which included the areas of textbook analysis and textbook readability levels, the fields of textbook analysis and readability, and findings from recently published books about textbook readability. The majority of the literature reflected an urgent need for science textbooks to be revised. Based on the information gathered during the literature review, the study examined the readability levels of elementary level science textbooks that were published by six textbook publishers. Results from the study revealed that when used properly, readability formulas provide an objective look at textbooks. After applying these formulas to the selected elementary level science textbooks, it became clear that very few changes were implemented between the most recent previous editions and the current editions. The textbooks remain too difficult for the students using them. The findings from this study will help science textbook publishers and textbook writers see that some changes need to be made in the way their textbooks are written. In order to maintain a competitive edge in the global marketplace, more students need to pursue science. In order for more students to do that, they need to pursue science degrees, but in order for them to pursue science degrees, they need to have a certain degree of confidence and level of interest in the subject matter. For

  14. "Textbook as a Contradictory Melting-Pot": An Analysis of Multicultural Content in Korean Textbooks

    ERIC Educational Resources Information Center

    Cho, Youngdal; Park, Yunkyoung

    2016-01-01

    In this study we will observe how multicultural content is covered in elementary and secondary schools in Korea. For this purpose, a total of 52 textbooks (social studies, ethics and Korean language from third to ninth grade) were analysed using two analysis frames. The first frame is the "multicultural content analysis frame (MCAF)"…

  15. Ethics Content in Introductory Accounting Textbooks: An Analysis and Review.

    ERIC Educational Resources Information Center

    Bracken, Robert M.; Urbancic, Frank R.

    1999-01-01

    Analysis of the coverage of ethics in 24 introductory accounting textbooks showed that, in response to past criticisms, many authors now integrate ethical issues and include reinforcing assignments and case materials. (SK)

  16. Similarity of Science Textbooks: A Content Analysis

    ERIC Educational Resources Information Center

    Yost, Michael

    1973-01-01

    Studied the similarity of the astronomy portion in five science textbooks at the fourth through sixth grade levels by comparing students' responses to text authors' requirements. Concluded that the texts had more in common across grade levels than within grade levels. (CC)

  17. Analysis of a Typical Chinese High School Biology Textbook Using the AAAS Textbook Standards

    ERIC Educational Resources Information Center

    Liang, Ye; Cobern, William W.

    2013-01-01

    The purpose of this study was to evaluate a typical Chinese high school biology textbook using the textbook standards of the American Association for the Advancement of Science (AAAS). The data were composed of three chapters selected from the textbook. Each chapter was analyzed and rated using the AAAS textbook standards. Pearson correlations…

  18. Readability Analysis of Introductory Astronomy Textbooks

    NASA Astrophysics Data System (ADS)

    Bruning, David H.

    2008-05-01

    Increasingly, first-year students have reading deficiencies and do not have the academic discipline to read introductory textbooks. Few students have the skills needed to organize ideas elicited from texts, and even fewer seem capable of evaluating ideas and concepts as to importance. While the amount of pedagogical support has increased in introductory astronomy texts in recent years, it is worthwhile to investigate how the readability of these books has changed with time. Dukes and co-authors (1979, 1980, 1983) surveyed numerous introductory astronomy textbooks using the Flesch Readability index. For a direct comparison to Dukes' work, I have used Flesch's index to survey three groups of introductory astronomy texts. Group I samples editions from Dukes' surveys to normalize the current survey and to provide a text baseline from 25 years ago, while group II includes texts from the 1940s and 1950s and group III current texts to compare the readability of present texts with those from previous decades. At first glance, this study indicates that texts have not changed in readability over the past several decades. However, other issues arise when the results are investigated in detail. Flesch measures readability but not understandability; understandability may have changed. Reading load has increased as texts have increased in size from 478 to 605 pages, on average. While texts may have a grade 11-12 reading level, that is an average and parts of texts soar to post-graduate reading levels; the ups and downs may affect student comprehension. Readability is just one measure for analyzing texts and these other issues may be more important for judging why our students have difficulty reading introductory astronomy books.

  19. Visual Education Textbooks in the 1920s: A Qualitative Analysis.

    ERIC Educational Resources Information Center

    Yeaman, Andrew R. J.

    This exploration of the origins of educational communications and technology as a field focuses on the 1920s when the visual education movement first appeared. An explanation of the study precedes separate reviews of 13 primary sources--i.e., visual education textbooks--and draws on them to provide evidence for an analysis of the ideas and forces…

  20. Comparative analysis of a nontraditional general chemistry textbook and selected traditional textbooks used in Texas community colleges

    NASA Astrophysics Data System (ADS)

    Salvato, Steven Walter

    The purpose of this study was to analyze questions within the chapters of a nontraditional general chemistry textbook and the four general chemistry textbooks most widely used by Texas community colleges in order to determine if the questions require higher- or lower-order thinking according to Bloom's taxonomy. The study employed quantitative methods. Bloom's taxonomy (Bloom, Engelhart, Furst, Hill, & Krathwohl, 1956) was utilized as the main instrument in the study. Additional tools were used to help classify the questions into the proper category of the taxonomy (McBeath, 1992; Metfessel, Michael, & Kirsner, 1969). The top four general chemistry textbooks used in Texas community colleges and Chemistry: A Project of the American Chemical Society (Bell et al., 2005) were analyzed during the fall semester of 2010 in order to categorize the questions within the chapters into one of the six levels of Bloom's taxonomy. Two coders were used to assess reliability. The data were analyzed using descriptive and inferential methods. The descriptive method involved calculation of the frequencies and percentages of coded questions from the books as belonging to the six categories of the taxonomy. Questions were dichotomized into higher- and lower-order thinking questions. The inferential methods involved chi-square tests of association to determine if there were statistically significant differences among the four traditional college general chemistry textbooks in the proportions of higher- and lower-order questions and if there were statistically significant differences between the nontraditional chemistry textbook and the four traditional general chemistry textbooks. Findings indicated statistically significant differences among the four textbooks frequently used in Texas community colleges in the number of higher- and lower-level questions. Statistically significant differences were also found among the four textbooks and the nontraditional textbook. After the analysis of

  1. Content Analysis of Songs in Elementary Music Textbooks in Accordance with Values Education in Turkey

    ERIC Educational Resources Information Center

    Yalçinkaya, Begüm

    2015-01-01

    The aim of this study is to determine which values are included in education songs in elementary school textbooks and the level of these values. This study, conducted using document analysis method, involved primary education music class textbooks. Education songs in textbooks were analyzed within the frame of 29 values determined based on…

  2. An Analysis of the Effectiveness of Analogy Use in College-Level Biochemistry Textbooks

    ERIC Educational Resources Information Center

    Orgill, MaryKay; Bodner, George M.

    2006-01-01

    Science instructors and textbook authors often use analogies to help their students use information they already understand to develop an understanding of new concepts. This study reports the results of an analysis of the use of analogies in eight biochemistry textbooks, which included textbooks written for one-semester survey biochemistry courses…

  3. A Statistical Analysis of College Biochemistry Textbooks in China: The Statuses on the Publishing and Usage

    ERIC Educational Resources Information Center

    Zhou, Ping; Wang, Qinwen; Yang, Jie; Li, Jingqiu; Guo, Junming; Gong, Zhaohui

    2015-01-01

    This study aimed to investigate the statuses on the publishing and usage of college biochemistry textbooks in China. A textbook database was constructed and the statistical analysis was adopted to evaluate the textbooks. The results showed that there were 945 (~57%) books for theory teaching, 379 (~23%) books for experiment teaching and 331 (~20%)…

  4. An Analysis of Science Textbooks for Grade 6: The Electric Circuit Lesson

    ERIC Educational Resources Information Center

    Sothayapetch, Pavinee; Lavonen, Jari; Juuti, Kalle

    2013-01-01

    Textbooks are a major tool in the teaching and learning process. This paper presents the results of an analysis of the Finnish and Thai 6th grade science textbooks: electric circuit lesson. Textual and pictorial information from the textbooks were analyzed under four main categories: 1) introduction of the concepts, 2) type of knowledge, 3)…

  5. The Dumbing Down of Textbooks: An Analysis of Six Textbook Editions during a Twelve Year Span.

    ERIC Educational Resources Information Center

    Gionfriddo, Jeanne Jarema

    Three readability formulas were applied to chapters from six textbooks to determine (1) if there was a significant difference in readability of three consecutive textbook editions of a seventh grade and of an eighth grade text over a 12-year period (1968-1980), and (2) whether eighth grade students would perform equally to the same content from a…

  6. Who's Who in Introductory Psychology Textbooks: A Citation Analysis Redux

    ERIC Educational Resources Information Center

    Griggs, Richard A.; Christopher, Andrew N.

    2016-01-01

    It is important to assess periodically how introductory textbooks portray our discipline because introductory psychology is the most popular psychology course, almost all teachers use textbooks for it, and textbooks play a major role in defining the course for students. To do so, past studies have used textbook citation analyses. We analyzed…

  7. Analysis of the Approach of Paleontology in Geography Textbooks in Ituiutaba, Minas Gerais, Brazil

    ERIC Educational Resources Information Center

    Alves, Emerson J. F.; Moura, Gerusa G.; dos A. Candeiro, Carlos R.

    2013-01-01

    The textbook is currently one of the driving instruments of teaching and learning. In the analysis of the contents of paleontology in geography textbooks, these books are important because they reveal problems embedded in these works and allow a more informed choice of books for the approach. In this work we performed an analysis of the approach…

  8. Technology and Textbooks: The Future

    ERIC Educational Resources Information Center

    Baglione, Stephen L.; Sullivan, Kevin

    2016-01-01

    This article describes two separate studies: a survey of students' textbook perceptions, purchases, and usage for e-textbooks and print textbooks and a conjoint analysis on e-textbook attributes. Print textbooks were perceived as easier to read, understand, and navigate, whereas e-textbooks were perceived to be cheaper. Students were willing to…

  9. Analysis of Turkish High School Chemistry Textbooks and Teacher-Generated Questions about Gas Laws

    ERIC Educational Resources Information Center

    Nakiboglu, Canan; Yildirir, H.

    2011-01-01

    This study presents the results of an analysis of high school chemistry textbooks and teacher-generated questions about gas laws. The materials that were analyzed consisted of 456 questions about gas laws found in seven grade 10 chemistry textbooks and 264 teacher-generated examination questions prepared by seven chemistry teachers from three…

  10. A Content Analysis of Lesbian, Gay, Bisexual, and Transgender Topics in Multicultural Education Textbooks

    ERIC Educational Resources Information Center

    Jennings, Todd; Macgillivray, Ian K.

    2011-01-01

    This research examines the treatment of lesbian, gay, bisexual, and transgender (LGBT) topics in 12 popular multicultural education textbooks. Following a line-by-line analysis of each textbook, the findings report the extent to which LGBT topics were included in each text and the themes that became apparent in how LGBT topics were treated. The…

  11. Sight-Singing Pedagogy: A Content Analysis of Choral Methods Textbooks

    ERIC Educational Resources Information Center

    Floyd, Eva G.; Haning, Marshall A.

    2015-01-01

    The purpose of this study was to examine the sight-singing pedagogy content of choral methods textbooks, with the intent of determining what elements of sight-singing pedagogy are most commonly included in these resources. A content analysis was conducted to analyze information related to sight-singing pedagogy in 10 textbooks that are commonly…

  12. A Content Analysis of Reading Textbooks in Terms of Moral Value.

    ERIC Educational Resources Information Center

    Abercrombie, Charlotte Manning

    In this study, reading textbooks were analyzed for moral content. From the findings of this analysis the extent of the use of Lawrence Kohlberg's stages of moral development in the textbooks was determined. The greatest amount of attention in one series was given to the category of helpfulness, while little attention was given to the categories of…

  13. An Analysis of Social Studies Textbooks in Turkey: From National Citizenship to Global Citizenship

    ERIC Educational Resources Information Center

    Ersoy, Arife Figen

    2013-01-01

    The purpose of this study is to examine Social Studies textbooks in terms of national and global citizenship. The research was carried out using qualitative research methodologies. Interpretive thematic analysis was used to examine the social studies textbooks from 4th grade through 8th grade. The analyses showed that the Social Studies textbooks…

  14. Prospects for Teaching Historical Analysis and Interpretation: National Curriculum Standards for History Meet Current History Textbooks.

    ERIC Educational Resources Information Center

    Foster, Stuart; And Others

    1996-01-01

    Examines to what extent representative history textbooks used in American high schools encourage development of historical analysis and interpretation, one of five standards issued by the National Center for History in the Schools. Treatment of the Aztec Empire and the Cold War varied widely in the four textbooks studied. All texts failed the new…

  15. To Lift as We Climb: A Textbook Analysis of the Segregated School Experience

    ERIC Educational Resources Information Center

    Pellegrino, Anthony; Mann, Linda; Russell, William B., III

    2013-01-01

    In this paper we share findings of a textbook analysis in which we explored the treatment of segregated education in eight, widely-used secondary United States history and government textbooks. We positioned our findings within the historiography related to the African American school experience which challenges the notion that the lack of…

  16. Process Analysis and Level Measurement of Textbooks Use by Teachers

    ERIC Educational Resources Information Center

    Kong, Fanzhe; Shi, Ningzhong

    2009-01-01

    Teachers and textbooks are two important elements in curriculum implementation. Based on Concerns-Based Adoption Model (CBAM), a curriculum implementation measurement model designed by G. Hall and S. M. Hord, this paper analyzes the general process of curriculum implementation in terms of textbook use, establishes a model that gauges the level of…

  17. The Greening of Marketing: An Analysis of Introductory Textbooks

    ERIC Educational Resources Information Center

    DeMoss, Michelle; Nicholson, Carolyn Y.

    2005-01-01

    In this study, the authors examined whether introductory marketing textbooks contain the information that is needed to educate future business leaders about the important role of environmentally sustainable practices. We content-analyzed the 21 current introductory marketing textbooks for coverage of these practices. The results showed limited,…

  18. Social and Abnormal Psychology Textbooks: An Objective Analysis.

    ERIC Educational Resources Information Center

    Christopher, Andrew N.; Griggs, Richard A.; Hagans, Chad L.

    2000-01-01

    Provides feature and content analyses of 14 social and 17 abnormal psychology full-length textbooks from 1995-98 that are available for undergraduate psychology courses. Provides instructors of these courses a means for more informed text selection. (CMK)

  19. Quantitative Analysis of Science and Chemistry Textbooks for Indicators of Reform: A complementary perspective

    NASA Astrophysics Data System (ADS)

    Kahveci, Ajda

    2010-07-01

    In this study, multiple thematically based and quantitative analysis procedures were utilized to explore the effectiveness of Turkish chemistry and science textbooks in terms of their reflection of reform. The themes gender equity, questioning level, science vocabulary load, and readability level provided the conceptual framework for the analyses. An unobtrusive research method, content analysis, was used by coding the manifest content and counting the frequency of words, photographs, drawings, and questions by cognitive level. The context was an undergraduate chemistry teacher preparation program at a large public university in a metropolitan area in northwestern Turkey. Forty preservice chemistry teachers were guided to analyze 10 middle school science and 10 high school chemistry textbooks. Overall, the textbooks included unfair gender representations, a considerably higher number of input and processing than output level questions, and high load of science terminology. The textbooks failed to provide sufficient empirical evidence to be considered as gender equitable and inquiry-based. The quantitative approach employed for evaluation contrasts with a more interpretive approach, and has the potential in depicting textbook profiles in a more reliable way, complementing the commonly employed qualitative procedures. Implications suggest that further work in this line is needed on calibrating the analysis procedures with science textbooks used in different international settings. The procedures could be modified and improved to meet specific evaluation needs. In the Turkish context, next step research may concern the analysis of science textbooks being rewritten for the reform-based curricula to make cross-comparisons and evaluate a possible progression.

  20. Chemistry and Chemical Education through Text and Image: Analysis of Twentieth Century Textbooks Used in Brazilian Context

    ERIC Educational Resources Information Center

    Souza, Karina Ap F. D.; Porto, Paulo Alves

    2012-01-01

    Assuming that textbooks give literary expression to cultural and ideological values of a nation or group, we propose the analysis of chemistry textbooks used in Brazilian universities throughout the twentieth century. We analyzed iconographic and textual aspects of 31 textbooks which had significant diffusion in the context of Brazilian…

  1. Bridges or Barriers: Analysis of Logodiversity in College Biology Textbooks

    ERIC Educational Resources Information Center

    Burton, Rebecca S.

    2011-01-01

    When selecting a textbook, college instructors must weigh a variety of factors. One is whether the text is written at a level that is accessible to one's students. An important factor in this is how many technical words are used. I developed an index to calculate logodiversity, a term I coined that reflects the number of technical words and the…

  2. Analysis of Molecular Genetics Content in Spanish Secondary School Textbooks

    ERIC Educational Resources Information Center

    Martinez-Gracia, M. V.; Gil-Quilez, M. J.; Osada, J.

    2006-01-01

    The treatment of molecular biology in thirty-four Spanish high school biology textbooks has been analysed using a check-list made up of twenty-three items. The study showed a tendency to confuse the genetic code with genetic information. The treatment of DNA transcription, regulation of gene expression and translation were presented as masses of…

  3. Analysis of High School German Textbooks through Rasch Measurement Model

    ERIC Educational Resources Information Center

    Batdi, Veli; Elaldi, Senel

    2016-01-01

    The purpose of the present study is to analyze German teacher trainers' views on high school German textbooks through the Rasch measurement model. A survey research design was employed and study group consisted of a total of 21 teacher trainers, three from each region and selected randomly from provinces which are located in seven regions and…

  4. Analysis of Risk Management in Adapted Physical Education Textbooks

    ERIC Educational Resources Information Center

    Murphy, Kelle L.; Donovan, Jacqueline B.; Berg, Dominck A.

    2016-01-01

    Physical education teacher education (PETE) programs vary on how the topics of safe teaching and risk management are addressed. Common practices to cover such issues include requiring textbooks, lesson planning, peer teaching, videotaping, reflecting, and reading case law analyses. We used a mixed methods design to examine how risk management is…

  5. Content Analysis of the Diagrammatic Representations of Primary Science Textbooks

    ERIC Educational Resources Information Center

    Liu, Yang; Khine, Myint Swe

    2016-01-01

    Science education research emphasizes the irreplaceable value of textbooks in students' acquisition of scientific knowledge. Illustrations such as diagrams contained in science books are crucial modes of visual representations that facilitate learners' conceptual learning. Through classifying, coding, and analysing diagrams from twenty science…

  6. An Analysis of Historical Agency in Quebec History Textbooks

    ERIC Educational Resources Information Center

    Ethier, Marc-Andre; Lefrancois, David; Demers, Stephanie

    2013-01-01

    In the 1980s, in Quebec history textbooks, authors presented history through linear, monocausal designs and attributed most social, political or economic changes favourable to democracy to unstable external causes or to stable external causes. They seldom attributed the evolution of democracy to "unstable internal causes". These…

  7. Quantitative and qualitative analysis of student textbook summary writing

    NASA Astrophysics Data System (ADS)

    Demaree, Dedra; Allie, Saalih; Low, Michael; Taylor, Julian

    2008-10-01

    The majority of "special access" students at the University of Cape Town are second language English speakers for whom reading the physics textbook is daunting. As a strategy to encourage meaningful engagement with the text, students wrote textbook summaries due the day material was covered in class. The summaries were returned, and they could bring them or re-write them for use during their examinations. A framework was developed to analyze the summaries based on Waywood, defining three cognitive levels seen in mathematics journaling: recounting, summarizing, and dialoging. This framework was refined, expanded, and tested. Interviews with students were conducted for their views on summary writing and survey questions were included on their final exams. The study was carried out in the 2007 spring semester of the "Foundation Physics Course," a component of the special access program.

  8. Women and Economics Textbooks.

    ERIC Educational Resources Information Center

    Hahn, Carole L.; Blankenship, Glen

    1983-01-01

    A content analysis of 22 secondary economics textbooks revealed the textbooks to be less sex-biased than the books examined in earlier studies. However, women are still underrepresented in most of the textbooks, and little attention is given to economic realities which women face. (Author/RM)

  9. "We Are Textbook 'Badnekais'!": A Bernsteinian Analysis of Textbook Culture in Science Classrooms

    ERIC Educational Resources Information Center

    Vijaysimha, Indira

    2013-01-01

    This article is an empirical study of science teaching practices using a Bernsteinian framework. It provides a comparative analysis through ethnographic examination of pedagogic recontextualisation in different school types--government, private unaided and international. Bernstein drew attention to the process of pedagogic recontextualisation and…

  10. The Construction of Cultural Values and Beliefs in Chinese Language Textbooks: A Critical Discourse Analysis

    ERIC Educational Resources Information Center

    Liu, Yongbing

    2005-01-01

    This article examines the discourses of cultural values and beliefs constructed in Chinese language textbooks currently used for primary school students nationwide in China. By applying story grammar analysis in the framework of critical discourse analysis, the article critically investigates how the discourses are constructed and what ideological…

  11. A Critical Multicultural Analysis of a Romanian Textbook Taught in Elementary International Language Programs

    ERIC Educational Resources Information Center

    Stoilescu, Dorian

    2014-01-01

    This case study proposes a critical multicultural analysis of a Romanian language textbook used for instructing students in grades one and two in the Elementary Language International Program (ELIP) in Toronto public schools in Ontario, Canada. Based on an analysis developed from Fairclough and Parker's criteria, this paper determined stereotypes…

  12. An Analysis of South African Grade 9 Natural Sciences Textbooks for Their Representation of Nature of Science

    ERIC Educational Resources Information Center

    Ramnarain, Umesh Dewnarain; Chanetsa, Tarisai

    2016-01-01

    This article reports on an analysis and comparison of three South African Grade 9 (13-14 years) Natural Sciences textbooks for the representation of nature of science (NOS). The analysis was framed by an analytical tool developed and validated by Abd-El-Khalick and a team of researchers in a large-scale study on the high school textbooks in the…

  13. Content and citation analysis of interdisciplinary humanities textbooks within a framework of curriculum theory

    NASA Astrophysics Data System (ADS)

    Guidera, Julie K.

    The purpose of this dissertation was to analyze the content of textbooks used in undergraduate survey courses in interdisciplinary humanities to understand the content of the curriculum and how an author's viewpoint shapes the product. By enumerating the texts and images authors and their publishers used to illustrate 20th century culture and the transition into the 21st century, the analysis generated a description of the range of perspectives from traditional to postmodern found in six sampled textbooks. Textbook content provided chronological data, while authors' source citations established identity properties of the works' contributors. Through a ranking system of authors' treatment of content and citations, the most traditional perspectives were compared to the most postmodern. Classifying cultural contributors by identity properties gave a quantitative rate of inclusion of traditionally excluded groups. A trend of increase in "diversity-infusion" was observed among all authors when the content of the textbooks was compared in chronological sequence. The qualitative differences, as constructed for this dissertation, indicate that each textbook constitutes a varied and unique representation of author perspective. The project's contribution to future research is the development of a database of art works and literary sources from the years 1900-2006 that can be used for quantification and for further study.

  14. Methodological Choices in the Content Analysis of Textbooks for Measuring Alignment with Standards

    ERIC Educational Resources Information Center

    Polikoff, Morgan S.; Zhou, Nan; Campbell, Shauna E.

    2015-01-01

    With the recent adoption of the Common Core standards in many states, there is a need for quality information about textbook alignment to standards. While there are many existing content analysis procedures, these generally have little, if any, validity or reliability evidence. One exception is the Surveys of Enacted Curriculum (SEC), which has…

  15. Discourse, Cultural Knowledge and Ideology: A Critical Analysis of Chinese Language Textbooks

    ERIC Educational Resources Information Center

    Liu, Yongbing

    2005-01-01

    This article examines discourses of cultural knowledge and ideology in Chinese language textbooks currently used for primary school students nationwide in China. Within the framework of critical curriculum theory and using critical discourse analysis, this article critically investigates how discourses of cultural knowledge are constructed and…

  16. Comparative Critical Discourse Analysis of Student and Teacher Editions of Secondary Christian American Literature Textbooks

    ERIC Educational Resources Information Center

    Agiro, Christa Preston

    2012-01-01

    This article discusses the comparative application of critical discourse analysis to student and teacher editions of the two most widely used high school American literature textbooks by Christian publishers, examining them through the lens of critical theory. The study examined all parts of the student and teacher editions, excepting literary…

  17. An Analysis of Two Textbooks on the Topic of Intermolecular Forces

    ERIC Educational Resources Information Center

    Tan, Daniel Kim Chwee; Seng, Chan Kim

    2004-01-01

    This paper describes the analysis of two commonly used high school (Grades 11 and 12) chemistry textbooks in Singapore to determine if the content presented in the topic of intermolecular forces is consistent with the concepts and propositional knowledge identified by the authors as essential for the learning and understanding of the topic…

  18. Experiences of Students with Visual Impairments in Adoption of Digital Talking Textbooks: An Interpretative Phenomenological Analysis

    ERIC Educational Resources Information Center

    Hussin, Ahamad; Folkestad, James E.; Makela, Carole

    2013-01-01

    This study was conducted to explore the experiences of Malaysian secondary students with visual impairments in using digital talking textbooks (DTTs) to assist their learning. Data were obtained from individual in-depth interviews. An interpretative phenomenological analysis (IPA) was used to understand the findings and confirm the emergent…

  19. Towards a Framework of Socio-Linguistic Analysis of Science Textbooks: The Greek Case

    ERIC Educational Resources Information Center

    Dimopoulos, Kostas; Koulaidis, Vasilis; Sklaveniti, Spyridoula

    2005-01-01

    This study aims at presenting a grid for analysing the way the language employed in Greek school science textbooks tends to project pedagogic messages. These messages are analysed for the different school science subjects (i.e., Physics, Chemistry, Biology) and educational levels (i.e., primary and lower secondary level). The analysis is made…

  20. Quantitative and Qualitative Analysis of Nutrition and Food Safety Information in School Science Textbooks of India

    ERIC Educational Resources Information Center

    Subba Rao, G. M.; Vijayapushapm, T.; Venkaiah, K.; Pavarala, V.

    2012-01-01

    Objective: To assess quantity and quality of nutrition and food safety information in science textbooks prescribed by the Central Board of Secondary Education (CBSE), India for grades I through X. Design: Content analysis. Methods: A coding scheme was developed for quantitative and qualitative analyses. Two investigators independently coded the…

  1. Cultural Parallax and Content Analysis: Images of Black Women in High School History Textbooks

    ERIC Educational Resources Information Center

    Woyshner, Christine; Schocker, Jessica B.

    2015-01-01

    This study investigates the representation of Black women in high school history textbooks. To examine the extent to which Black women are represented visually and to explore how they are portrayed, the authors use a mixed-methods approach that draws on analytical techniques in content analysis and from visual culture studies. Their findings…

  2. Professional Standards in Teacher Education: Tracing Discourses of Professionalism through the Analysis of Textbooks

    ERIC Educational Resources Information Center

    Tummons, Jonathan

    2014-01-01

    This article explores aspects of the relationship between professional standards for teachers and the curriculum for teacher education in the lifelong learning sector in the United Kingdom. Drawing on an analysis of different editions of three core textbooks for teacher education in the lifelong learning sector, which are positioned as acting as…

  3. Assessing Coverage of Maslow's Theory in Educational Psychology Textbooks: A Content Analysis

    ERIC Educational Resources Information Center

    Wininger, Steven R.; Norman, Antony D.

    2010-01-01

    Although Maslow's hierarchy of needs theory (HNT) is one of the most prevalent theories in psychology, the authors argued that it is also one of the most misinterpreted or misrepresented, particularly in educational psychology textbooks. Therefore, after carefully reading Maslow's writings on HNT they conducted a content analysis of 18 educational…

  4. Gender Issues in Psychology: A Content Analysis of Introductory Psychology Textbooks.

    ERIC Educational Resources Information Center

    Connor-Greene, Patti; And Others

    This paper assesses the attention given to gender issues in 17 psychology textbooks published between 1985 and 1987 and used in college undergraduate introductory courses. The methodology used was the analysis of content and research citations. Specific issues that were examined included: (1) the explanation of the distinction between gender and…

  5. Common and Textbook Foil Groupings: A Social Network Approach to Distractor Analysis

    ERIC Educational Resources Information Center

    Pearlman, Leslie

    2011-01-01

    This dissertation examines the patterns and types of mistakes students make on a large-scale mathematics assessment, and puts these patterns into perspective based on the textbook used and the specific content covered in a student's classroom. In order to investigate the nature of these patterns, I employ a method of analysis originally designed…

  6. Quantitative Analysis of Science and Chemistry Textbooks for Indicators of Reform: A Complementary Perspective

    ERIC Educational Resources Information Center

    Kahveci, Ajda

    2010-01-01

    In this study, multiple thematically based and quantitative analysis procedures were utilized to explore the effectiveness of Turkish chemistry and science textbooks in terms of their reflection of reform. The themes gender equity, questioning level, science vocabulary load, and readability level provided the conceptual framework for the analyses.…

  7. Ideologies of English in a Chinese High School EFL Textbook: A Critical Discourse Analysis

    ERIC Educational Resources Information Center

    Xiong, Tao; Qian, Yamin

    2012-01-01

    In this article we examine ideologies of English in present-day China with a special focus on textbook discourse. The research framework is informed by critical theories on language and education. Critical discourse analysis is applied as a methodological approach characterized by a socially committed attitude in the explanation and interpretation…

  8. The Stanford Prison Experiment in Introductory Psychology Textbooks: A Content Analysis

    ERIC Educational Resources Information Center

    Bartels, Jared M.

    2015-01-01

    The present content analysis examines the coverage of theoretical and methodological problems with the Stanford prison experiment (SPE) in a sample of introductory psychology textbooks. Categories included the interpretation and replication of the study, variance in guard behavior, participant selection bias, the presence of demand characteristics…

  9. Three Decades of Social Psychology: A Longitudinal Analysis of Baron and Byrne's Textbook

    ERIC Educational Resources Information Center

    Christopher, Andrew N.; Marek, Pam; Dobbins, Emily M.; Jason R., Jason R.

    2004-01-01

    We analyzed the first 10 editions of Baron and Byrne's social psychology textbook. Modeling our methodology on Griggs and Jackson's (1996) longitudinal analysis of Hilgard's (1953) introductory psychology text, we ascertained changes in objective features, content, and contributors and contributions to social psychology. Changes in objective…

  10. Towards a Cultural Understanding of the Disability and Deaf Experience: A Content Analysis of Introductory Multicultural Education Textbooks

    ERIC Educational Resources Information Center

    Johnson, John R.; Nieto, Jesus

    2007-01-01

    This paper reports the findings of a simple normative content analysis of 11 multicultural education textbooks to determine the extent to which disability and deaf culture are represented. In addition, this study examines multicultural education textbooks to assess the extent to which perspectives of members of the disability and deaf communities…

  11. A Content Analysis of Asian-Pacific Folk Songs in American Elementary Music Textbooks from 1967 to 2008

    ERIC Educational Resources Information Center

    Culig, Edna Aurora C.

    2012-01-01

    In this quanto-historical study, the author conducted a content analysis of Asian-Pacific (AP) folk songs in 18 American elementary music textbooks published from 1967 to 2008. The researcher addressed the questions: (1) To what degree are AP folk songs included in the printed and recorded repertoire of elementary music textbook series published…

  12. America in World War II: An Analysis of History Textbooks from England, Japan, Sweden, and the United States

    ERIC Educational Resources Information Center

    Foster, Stuart; Nicholls, Jason

    2005-01-01

    This study examined how textbooks from England, Japan, Sweden, and the United States portray America's role in World War II. Analysis of the central story lines revealed that historical information purveyed to students in different nations varies considerably. Accordingly, U.S. textbooks emphasize the significant and pre-eminent role that the…

  13. A historical discourse analysis of the cancerous and non-cancerous body in secondary biology textbooks

    NASA Astrophysics Data System (ADS)

    Bowers, Neil Thomas

    This dissertation applies the archeological concepts developed by Michel Foucault to a study of thirteen biology textbooks (1993-2004) in order to develop an understanding of 'purchased truths' concerning cancer. This study focuses on the construction of the health/illness dialogue concerning cancer within the textbooks and not the meaning that the individual makes from reading the text; as such this study concerns itself with social truths rather than the search for an individual awareness of names, dates, or places. This study investigates the practices that allow the creation of dialogues that are inserted into a biology textbook and looks at how discursive formations create the 'truth regime' from which the biology textbook is said to speak. Using the Foucaultian themes of 'event', 'emergence', 'enunciation', and 'exteriority' a new reading of topics concerning cancer emerge from biology textbooks. Cancer is a disease that will impact the lives of countless individuals but coverage devoted to the pathology of cancer in secondary biology textbooks is very limited and no study textbook devoted a whole chapter to the discussion of cancer. There is an identified reduction in the number of pages and depth of coverage devoted to cancer in the newer biology texts compared to the older texts. Humans are pictured more than plants or animals in presentations concerning cancer with emphasis being placed on the digitalization of human cells via the scanning electron microscope. When the whole body is presented it is seldom located within the technology of disease diagnosis and treatment but rather is posed for specific social control. Just as each digitized picture of the cancerous cell in the texts is used to create a story so too are the pictures of the whole body in action. Possible story lines offered by the publishing houses concerning the reaction of the body to cancer are shown to intermingle with risk factor analysis to project a sense of Foucaultian

  14. An Analysis of Misconceptions in Science Textbooks: Earth science in England and Wales

    NASA Astrophysics Data System (ADS)

    King, Chris John Henry

    2010-03-01

    Surveys of the earth science content of all secondary (high school) science textbooks and related publications used in England and Wales have revealed high levels of error/misconception. The 29 science textbooks or textbook series surveyed (51 texts in all) showed poor coverage of National Curriculum earth science and contained a mean level of one earth science error/misconception per page. Science syllabuses and examinations surveyed also showed errors/misconceptions. More than 500 instances of misconception were identified through the surveys. These were analysed for frequency, indicating that those areas of the earth science curriculum most prone to misconception are sedimentary processes/rocks, earthquakes/Earth's structure, and plate tectonics. For the 15 most frequent misconceptions, examples of quotes from the textbooks are given, together with the scientific consensus view, a discussion, and an example of a misconception of similar significance in another area of science. The misconceptions identified in the surveys are compared with those described in the literature. This indicates that the misconceptions found in college students and pre-service/practising science teachers are often also found in published materials, and therefore are likely to reinforce the misconceptions in teachers and their students. The analysis may also reflect the prevalence earth science misconceptions in the UK secondary (high school) science-teaching population. The analysis and discussion provide the opportunity for writers of secondary science materials to improve their work on earth science and to provide a platform for improved teaching and learning of earth science in the future.

  15. The Path of History: Narrative Analysis of History Textbooks--A Case Study of Belgian History Textbooks (1945-2004)

    ERIC Educational Resources Information Center

    Vanhulle, Bert

    2009-01-01

    The philosophical background of the subject history in secondary education has been mainly addressed through research based on "obvious" source types (curricula, discussions in committees or journals, ...). This article proposes a narrative method of analysing history textbooks in order to study the underlining historical philosophy of history…

  16. Factoring genetic determinism: An analysis of sociobiological discourse and debate and their presentations in biology textbooks

    NASA Astrophysics Data System (ADS)

    Schifellite, Carmen James

    This thesis is about Sociobiology, especially human sociobiological discourse, and its emergence as a paradigm especially through the formulations of E. O. Wilson. It asks two distinct and related questions. The first question asks why and how has the general project of Wilsonian or determinist human sociobiology has maintained its appeal and continued to garner popularity and support despite the many cogent and detailed critiques. The second question, covered in part two of this thesis, asks how the sociobiological controversy is presented in three Biology textbooks. Part one of this work examines the development of human sociobiology and its related disciplines and the debates that have arisen around this paradigm. It chronicles how this Wilsonian human sociobiological discourse constructs its legitimacy, the major issues critics have raised and recent developments in human sociobiology and related fields. It also suggests modified epistemological positions and avenues of critique. As such, this work utilizes theory developed within utilizes theory developed within science studies, hegemony studies, discourse theory, textual analysis, and science education. Part Two examines three textbooks used in Ontario Academic Courses (OAC's) in Biology in high school in grade thirteen in Ontario. These texts are similar if not identical to textbooks used in introductory biology courses in universities in North America. This textual analysis, examines how the textbooks portray sociobiology and the related fields of Genetics, Evolutionary theory and the Nature of Science itself. This analysis provides a way both to gauge the influence of Wilsonian human and non-human sociobiological discourse and to gauge the ways in which this controversial issue is handled by the texts. This analysis finds that all three textbooks fail to use sociobiology as an example of a scientific controversy to engage students in a discussion of this topic. They also fail to engage students in any of

  17. An Analysis of the Content and Questions of the Physics Textbooks of the Basic Education Level (Ages 13-15) in Libya.

    ERIC Educational Resources Information Center

    Khoja, Suleiman; Ventura, Frank

    1997-01-01

    Determines the extent physics textbooks contribute to physics teaching objectives and knowledge acquisition in Libya. Analysis of seventh- through ninth-grade physics textbooks and cognitive demand shows a limited effect of textbook content on knowledge acquisition and educational objectives. Suggestions are made for promoting the acquisition of…

  18. One Hundred Years of Elementary School Mathematics in the United States: A Content Analysis and Cognitive Assessment of Textbooks from 1900 to 2000

    ERIC Educational Resources Information Center

    Baker, David; Knipe, Hilary; Collins, John; Leon, Juan; Cummings, Eric; Blair, Clancy; Gamson, David

    2010-01-01

    A content analysis of over 28,000 pages from 141 elementary school mathematics textbooks published between 1900 and 2000 shows that widely used mathematics textbooks have changed substantially. Textbooks from the early part of the century were typically narrow in content but presented substantial amounts of advanced arithmetic and also asked…

  19. A discourse analysis comparing Danish textbooks for nursing and medical students between 1870 and 1956.

    PubMed

    Frederiksen, Kirsten

    2010-06-01

    Based on a discourse analysis inspired by the French philosopher Michel Foucault's late work, the article compares Danish textbooks for nurses and doctors between 1870 and 1956. With the concept of a figure of thought, it is suggested that the discourses of knowledge addressed to nurses were constructed in a pattern in which intertwined arguments formed the figure of orderliness. These arguments were based on knowledge, the patient's needs, the doctor's needs and moral principles, including the needs of the profession and ethical-esthetic principles, whereas the pattern of the discourses of knowledge addressed to the doctor was based on knowledge of diseases reflecting a figure of scientific order. These patterns did not change throughout the period. In the textbooks for nurses, the nurse's relation to self was an explicit subject, whereas the doctor's relation to self was not part of the textbooks addressed to doctors. In light of Foucault's late work, it is suggested that the discourses of knowledge contribute to maintaining the prevailing order in the society; it would be of interest to investigate whether the identified pattern has changed since 1956 and whether it has influenced other areas of nursing education and practice.

  20. A content analysis of physical science textbooks with regard to the nature of science and ethnic diversity

    NASA Astrophysics Data System (ADS)

    Brooks, Kristine M.

    The goal of science education is the preparation of scientifically literate students (Abd-El-Khalick & Lederman, 2000, & American Association for the Advancement of Science (AAAS), 1990). In order to instruct students in the nature of science with its history, development, methods and applications, science teachers use textbooks as the primary organizer for the curriculum (Chippetta, Ganesh, Lee, & Phillips, 2006). Science textbooks are the dominant instructional tool that exerts great influence on instructional content and its delivery (Wang, 1998). Science and science literacy requires acquiring knowledge about the natural world and understanding its application in society, or, in other words, the nature of science. An understanding of the nature of science is an important part of science literacy (Abd-El-Khalik & Lederman, 2000, & AAAS, 1990). The nature of science has four basic themes or dimensions: science as a body of knowledge, science as a way of thinking, science as a way of investigating, and science with its interaction with technology and society (Chippetta & Koballa, 2006). Textbooks must relay and incorporate these themes to promote science literacy. The results from this content analysis provide further insights into science textbooks and their content with regard to the inclusion of the nature of science and ethnic diversity. Science textbooks usually downplay human influences (Clough & Olson, 2004) whether as part of the nature of science with its historical development or its interaction with societies of diverse cultures. Minority students are underperforming in science and science is divided on ethnic, linguistic, and gender identity (Brown, 2005). Greater representations of diversity in curriculum materials enable minority students to identify with science (Nines, 2000). Textbooks, with their influence on curriculum and presentation, must include links for science and students of diverse cultures. What is the balance of the four aspects of the

  1. Vibrational analysis of 1,2-dichloro-2-methylpropane and 1,2-dibromo-2-methylpropane

    NASA Astrophysics Data System (ADS)

    Crowder, G. A.; Richardson, Mary Townsend

    1982-02-01

    Liquid-state IR and Raman spectra and solid-state IR spectra have been obtained for 1,2-dichloro-2-methylpropane and l,2-dibromo-2-methylpropane. Carbon-halogen stretching bands are observed in the liquid-state spectrum of the dichloro compound at 751, 725, 624 and 574 cm -1 and at 677, 640, 551 and 507 cm -1 in the liquid-state spectrum of the dibromo compound. Both compounds exist as P CTt HHH and P XT XHH conformations in the liquid, but only the P XT XHH conformer is present for each in the crystalline solid. Further Interpretation of the spectra was aided by normal coordinate calculations.

  2. Quantitative Analysis of Representations of Nature of Science in Nordic Upper Secondary School Textbooks Using Framework of Analysis Based on Philosophy of Chemistry

    ERIC Educational Resources Information Center

    Vesterinen, Veli-Matti; Aksela, Maija; Lavonen, Jari

    2013-01-01

    The aim of this study was to assess how the different aspects of nature of science (NOS) were represented in Finnish and Swedish upper secondary school chemistry textbooks. The dimensions of NOS were analyzed from five popular chemistry textbook series. The study provides a quantitative method for analysis of representations of NOS in chemistry…

  3. A Historical Analysis of Electric Currents in Textbooks: A Century of Influence on Physics Education.

    ERIC Educational Resources Information Center

    Stocklmayer, Susan; Treagust, David

    1994-01-01

    Analyzes the presentations of electric current in physics textbooks. Concludes that from 1891 to 1991 most textbooks used a fluid model, which predated Faraday, for explaining direct-current circuits. (PR)

  4. A Social Semiotic Approach to Textbook Analysis: The Construction of the Discourses of Pharmacology

    ERIC Educational Resources Information Center

    Weiss, Rachel; Archer, Arlene

    2014-01-01

    This article takes a multimodal social semiotic approach to analysing educational textbooks. We are interested in the ways in which educational textbooks contribute to designing our social futures by constructing both the student and the discipline in a particular manner. While a textbook's primary purpose is to provide the reader with…

  5. An Analysis of Global Problems Issues in Sixth and Seventh Grade Science Textbooks.

    ERIC Educational Resources Information Center

    Hamm, Mary; Adams, Dennis

    The study examines the extent to which the global issues of population growth, world hunger, air quality and atmosphere, and water resources were treated in sixth and seventh grade science textbooks. Ten textbooks were examined by five raters to determine the amount of content presented by different textbooks on global issues, the number of pages…

  6. An Analysis of Misconceptions in Science Textbooks: Earth Science in England and Wales

    ERIC Educational Resources Information Center

    King, Chris John Henry

    2010-01-01

    Surveys of the earth science content of all secondary (high school) science textbooks and related publications used in England and Wales have revealed high levels of error/misconception. The 29 science textbooks or textbook series surveyed (51 texts in all) showed poor coverage of National Curriculum earth science and contained a mean level of one…

  7. An Evaluating Study on ESP Medical Textbook: Instructors and Learners' Needs Analysis

    ERIC Educational Resources Information Center

    Salehi, Hadi; Khadivar, Zahra; Babaee, Ruzbeh; Singh, Hardev Kaur Ap Jujar

    2015-01-01

    Textbook evaluation is determining the productivity and value of textbooks with respect to stated objectives, standards, or criteria. This study was an attempt to evaluate the ESP medical textbook, which is taught at some universities in Iran. To gather the necessary data, two researcher-made questionnaires and one interview protocol were used.…

  8. Decolonizing Education: A Critical Discourse Analysis of Post-Secondary Humanities Textbooks

    ERIC Educational Resources Information Center

    Harper, Kimberly C.

    2012-01-01

    This dissertation examines nine post-secondary humanities textbooks published between 2001 and 2011 using an approach that includes both qualitative and quantitative methodology to analyze the written and visual content of humanities textbooks. This dissertation engages in current debates that address bias in humanities textbooks and contributes…

  9. An analysis of South African Grade 9 natural sciences textbooks for their representation of nature of science

    NASA Astrophysics Data System (ADS)

    Dewnarain Ramnarain, Umesh; Chanetsa, Tarisai

    2016-04-01

    This article reports on an analysis and comparison of three South African Grade 9 (13-14 years) Natural Sciences textbooks for the representation of nature of science (NOS). The analysis was framed by an analytical tool developed and validated by Abd-El-Khalick and a team of researchers in a large-scale study on the high school textbooks in the USA. The three textbooks were scored on targeted NOS aspects on a scale of -3 to +3 that reflected the explicitness with which these aspects were addressed. The analysis revealed that the textbooks poorly depict NOS, and in particular, there was scant attention given to the social dimension of science, science versus pseudoscience and the 'myth of the scientific method'. The findings of this study are incommensurate with the strong emphasis in a reformed school science curriculum that underlies the need for learners to understand the scientific enterprise, and how scientific knowledge develops. In view of this, the findings of this research reinforce the need for a review on the mandate given to textbook publishers and writers so that a stronger focus be placed on the development of materials that better represent the tenets of NOS.

  10. Whose History? An Analysis of the Korean War in History Textbooks from the United States, South Korea, Japan, and China

    ERIC Educational Resources Information Center

    Lin, Lin; Zhao, Yali; Ogawa, Masato; Hoge, John; Kim, Bok Young

    2009-01-01

    This article examines how recent history textbooks from the United States, Japan, China, and South Korea present the Korean War. The comparative analysis focuses on four areas: the causes of the Korean War, American involvement in the war, Chinese involvement in the war, and the results of the war. Analysis of the central story lines reveals that…

  11. An analysis of how electromagnetic induction and Faraday's law are presented in general physics textbooks, focusing on learning difficulties

    NASA Astrophysics Data System (ADS)

    Guisasola, Jenaro; Zuza, Kristina; Almudi, José-Manuel

    2013-07-01

    Textbooks are a very important tool in the teaching-learning process and influence important aspects of the process. This paper presents an analysis of the chapter on electromagnetic induction and Faraday's law in 19 textbooks on general physics for first-year university courses for scientists and engineers. This analysis was based on criteria formulated from the theoretical framework of electromagnetic induction in classical physics and students' learning difficulties concerning these concepts. The aim of the work presented here is not to compare a textbook against the ideal book, but rather to try and find a series of explanations, examples, questions, etc that provide evidence on how the topic is presented in relation to the criteria above. It concludes that despite many aspects being covered properly, there are others that deserve greater attention.

  12. Textbook Deathwatch

    ERIC Educational Resources Information Center

    Salpeter, Judy

    2009-01-01

    Is the print textbook--that old-fashioned, heavy, expensive staple of the 20th-century classroom--soon to be a thing of the past? While it's hard to imagine the K-12 world, known for its resistance to change, throwing out math, language, and science textbooks in favor of digital content, the nation's current fiscal crisis, combined with major…

  13. Textbook America.

    ERIC Educational Resources Information Center

    Karp, Walter

    1980-01-01

    Focuses on how political attitudes have been influenced by American history textbooks at various times throughout history. Excerpts from traditional and revisionist textbooks are presented, with emphasis on "America Revised" by Frances FitzGerald. Journal available from Harper's Magazine Co., 2 Park Ave., New York, NY 10016. (DB)

  14. Indexing of Iranian Publications in Well-known Endodontic Textbooks: A Scientometric Analysis

    PubMed Central

    Kakooei, Sina; Mostafavi, Mahshid; Parirokh, Masoud; Asgary, Saeed

    2016-01-01

    Introduction: Quoting an article in well-known textbooks is held as a credit for that paper. The numbers of Iranian publications mentioned in endodontic textbooks have increased during recent years. The aim of this investigation was to evaluate the number of Iranian articles quoted in eminent endodontic textbooks. Methods and Materials: Three known textbooks (Ingle’s Endodontics, Seltzer and Bender’s Dental Pulp and Cohen’s Pathways of the Pulp) were chosen and all the editions of the textbooks since 2000 were investigated for quoted Iranian publications. Only Iranian authors with affiliations from a domestic university were chosen. All references at the end of each chapter were read by hand searching, and results were noted. The trend and percentage of Iranian publications in different editions of the textbooks were also calculated. The number of citations of these publications in Google Scholar and Scopus databases were also obtained. Results: The number of Iranian publications in all well-known textbooks have notably increased since 2000. The number and percentage of Iranian publications in the latest edition of Cohen’s Pathways of the Pulp was higher compared to other textbooks as well as the previous edition of the same text. Conclusion: Number and percentage of Iranian publications in the field of endodontics in all three textbooks have remarkably increased since 2000. PMID:27471523

  15. A content analysis of physical science textbooks with regard to the nature of science and ethnic diversity

    NASA Astrophysics Data System (ADS)

    Brooks, Kristine M.

    The goal of science education is the preparation of scientifically literate students (Abd-El-Khalick & Lederman, 2000, & American Association for the Advancement of Science (AAAS), 1990). In order to instruct students in the nature of science with its history, development, methods and applications, science teachers use textbooks as the primary organizer for the curriculum (Chippetta, Ganesh, Lee, & Phillips, 2006). Science textbooks are the dominant instructional tool that exerts great influence on instructional content and its delivery (Wang, 1998). Science and science literacy requires acquiring knowledge about the natural world and understanding its application in society, or, in other words, the nature of science. An understanding of the nature of science is an important part of science literacy (Abd-El-Khalik & Lederman, 2000, & AAAS, 1990). The nature of science has four basic themes or dimensions: science as a body of knowledge, science as a way of thinking, science as a way of investigating, and science with its interaction with technology and society (Chippetta & Koballa, 2006). Textbooks must relay and incorporate these themes to promote science literacy. The results from this content analysis provide further insights into science textbooks and their content with regard to the inclusion of the nature of science and ethnic diversity. Science textbooks usually downplay human influences (Clough & Olson, 2004) whether as part of the nature of science with its historical development or its interaction with societies of diverse cultures. Minority students are underperforming in science and science is divided on ethnic, linguistic, and gender identity (Brown, 2005). Greater representations of diversity in curriculum materials enable minority students to identify with science (Nines, 2000). Textbooks, with their influence on curriculum and presentation, must include links for science and students of diverse cultures. What is the balance of the four aspects of the

  16. The Power of Knowledge: A Critical Analysis of the Depiction of Ethnic Minorities in China's Elementary Textbooks

    ERIC Educational Resources Information Center

    Chu, Yiting

    2015-01-01

    This study critically analyzes knowledge about: (1) ethnic minority groups; (2) the dominant Han group; and (3) the interaction between ethnic minorities and Han presented in three types of elementary textbooks used in China. The analysis reveals that the knowledge about and the values and beliefs of the Han people are overwhelmingly dominant in…

  17. Limited potential of school textbooks to prevent tobacco use among students grade 1–9 across multiple developing countries: a content analysis study

    PubMed Central

    Saito, Junko; Nonaka, Daisuke; Mizoue, Tetsuya; Kobayashi, Jun; Jayatilleke, Achini C; Shrestha, Sabina; Kikuchi, Kimiyo; Haque, Syed E; Yi, Siyan; Ayi, Irene; Jimba, Masamine

    2013-01-01

    Objective To evaluate the content of school textbooks as a tool to prevent tobacco use in developing countries. Design Content analysis was used to evaluate if the textbooks incorporated the following five core components recommended by the WHO: (1) consequences of tobacco use; (2) social norms; (3) reasons to use tobacco; (4) social influences and (5) resistance and life skills. Setting Nine developing countries: Bangladesh, Cambodia, Laos, Nepal, Sri Lanka, Benin, Ghana, Niger and Zambia. Textbooks analysed Of 474 textbooks for primary and junior secondary schools in nine developing countries, 41 were selected which contained descriptions about tobacco use prevention. Results Of the 41 textbooks, the consequences of tobacco use component was covered in 30 textbooks (73.2%) and the social norms component was covered in 19 (46.3%). The other three components were described in less than 20% of the textbooks. Conclusions A rather limited number of school textbooks in developing countries contained descriptions of prevention of tobacco use, but they did not fully cover the core components for tobacco use prevention. The chance of tobacco prevention education should be seized by improving the content of school textbooks. PMID:23430601

  18. An Analysis of the Discourses on Attention Deficit Hyperactivity Disorder (ADHD) in US Special Education Textbooks, with Implications for Inclusive Education

    ERIC Educational Resources Information Center

    Freedman, Justin E.

    2016-01-01

    The purpose of this paper is to examine the discourses on attention deficit hyperactivity disorder (ADHD) found in textbooks used in pre-service special education programmes in the USA. Five textbooks are examined with the intent of discovering how ADHD is portrayed to future teachers. A discourse analysis framework is utilised, revealing five…

  19. A Pedagogic Corpus Analysis: Modal Auxiliary Verbs in Malaysian English Textbooks

    ERIC Educational Resources Information Center

    Khojasteh, Laleh; Mukundan, Jayakaran

    2011-01-01

    Using corpus approach, over the past two decades, a growing number of researchers started to blame textbooks for neglecting important information on the use of grammatical structures in real language use and provided ample information about the mismatch between language used in textbooks and real language in use. Likewise, the prescribed Malaysian…

  20. Faith on the Wane: A Documentary Analysis of Shifting Worldviews in Canadian Textbooks.

    ERIC Educational Resources Information Center

    Van Brummelen, Harro

    1994-01-01

    This documentary study postures Canadian school textbooks as barometers of corporate faith and prevailing world view, tracing the shift toward secularization in 150 years of publication. A perusal of textbooks suggests that the current secularism of school curricula is not neutral and highlights the need to teach about Christianity. (SM)

  1. An Analysis of Four Middle School Geography Textbooks: Meeting the Needs of Students with Learning Problems.

    ERIC Educational Resources Information Center

    Jitendra, Asha; Nolet, Victor; Gomez, Ophelia; Xin, Yan Ping

    A study examined geography texts to evaluate their adequacy for meeting the diverse needs of students and to recommend modifications that will address specific deficits. Four geography textbooks were selected based on consultations with publishers, teachers, and school administrators to be representative of geography textbooks adopted in the…

  2. A Modified Content Analysis of Selected Secondary Reading Methods Textbooks: 1970-2008

    ERIC Educational Resources Information Center

    Hunt, Teresita Michele

    2009-01-01

    The purpose of this study was to examine how secondary teachers have been taught to teach reading-to-learn over the last four decades, and to teach the struggling and reluctant readers in their classes. In this study, twelve secondary reading methods textbooks were analyzed. The textbooks were chosen based on four criteria: (a) availability, (b)…

  3. A Content Analysis Study about the Usage of History of Mathematics in Textbooks in Turkey

    ERIC Educational Resources Information Center

    Eren, Mehmet; Bulut, Mehmet; Bulut, Neslihan

    2015-01-01

    The present study aimed to investigate how history of mathematics was integrated to some mathematics textbooks in Turkey. On this account, four different textbooks with different grade levels were chosen. In total, 42 cases were detected and studied by three researchers. Results indicated that the usage of history of mathematics was materialized…

  4. An Analysis of the Statistical Content in Textbooks for Prospective Elementary Teachers

    ERIC Educational Resources Information Center

    Jones, Dustin L.; Jacobbe, Tim

    2014-01-01

    We analyzed the statistical content within mathematics textbooks used in courses for preparing elementary teachers. Six textbooks commonly used in the United States comprised our sample. Each task in statistical sections was analyzed using both the levels of the GAISE framework (Franklin et al. 2007) and phases of the statistical problem solving…

  5. Analysis of the Junior Secondary School One (J.S.S. 1) Science Textbook.

    ERIC Educational Resources Information Center

    Otuka, J. O. E.; Nkrumah, Clifford N.

    2001-01-01

    Investigates whether the junior high school textbook 1 meets the requirements of a standards textbook that identifies with 12 criteria set by the Science Teachers Association of Nigeria (STAN). Includes the criteria of coverage of topics in the syllabus, currency suitability of language, and coherency. (Contains 18 references.) (Author/YDS)

  6. Heat and Temperature: An Analysis of How These Concepts Are Dealt with in Textbooks.

    ERIC Educational Resources Information Center

    Leite, Laurinda

    1999-01-01

    Investigated how 11 9th-grade Portuguese physics textbooks dealt with heat and temperature and whether they were adequate information sources for students. Examination of ideas (which included correctness of concepts and arguments, global teaching approach, and learning activities) indicated that most of the textbooks were not consistent with…

  7. Group-Work In Primary Education: An Analysis of Textbooks In Spain

    ERIC Educational Resources Information Center

    Collado, Mariangeles De La Caba; Atxurra, Rafael Lopez

    2005-01-01

    The present contribution analyses how Spanish textbooks deal with activities requiring primary-school pupils to work in groups. The sample comprised 24 social science, natural science and technology textbooks written for primary school children (6?12 years old). Having coded the information, the authors followed a two-fold methodology geared…

  8. Analysis of Preferred Textbooks in Speech-Language Pathology and Audiology.

    ERIC Educational Resources Information Center

    Condon, Marilyn

    Directors of 100 undergraduate training programs in speech language pathology and audiology were surveyed about the readability level and faculty satisfaction with currently used textbooks. For each of seven fundamental courses, Ss were asked to indicate the academic level at which students typically completed the courses, the textbook currently…

  9. Ideological Representations of Taiwan's History: An Analysis of Elementary Social Studies Textbooks, 1978-1995

    ERIC Educational Resources Information Center

    Su, Ya-Chen

    2007-01-01

    Textbooks play a central role in Taiwanese education. In the wake of the political reform and social protest movements of the 1970s and 1980s that led to Taiwanese educational reform, critics assert that traditional textbooks reinforce the dominant national Chinese cultural identity without considering the specific perspectives and voices of…

  10. An Analysis of Global Problem Issues in Sixth- and Seventh-Grade Textbooks.

    ERIC Educational Resources Information Center

    Hamm, Mary; Adams, Dennis

    1989-01-01

    Examined are the global issues of population growth, world hunger, air quality and atmosphere, and water resources in 10 middle school science textbooks. Less than two percent of text pages were devoted to these issues and no significant differences were found between textbook series. (Author/YP)

  11. What Lithuanian Pupils Learn about Disability: Analysis of Attitudes and Content of Textbooks

    ERIC Educational Resources Information Center

    Ruskus, Jonas; Poceviciene, Rasa

    2006-01-01

    (Purpose) The purpose of this paper was to reveal how stereotyped representations of disability are manifested in school curriculum through the textbook content and the attitudes of participants of education. Research questions of this study were: How is disability represented in Lithuanian textbooks? What is the real discourse--that of…

  12. Intercultural Exposure through English Language Teaching: An Analysis of an English Language Textbook in Bangladesh

    ERIC Educational Resources Information Center

    Siddiqie, Shamsun Akhter

    2011-01-01

    The treatment of culture in foreign language textbooks is comparatively a new trend in English Language Teaching (ELT) which is based on the growing consensus that language textbooks should attempt to raise students' awareness of international culture as well as that of their own. Being influenced by this thought, Bangladesh too like many other…

  13. An Analysis of Selected Biology Textbooks for the Treatment of Controversial Issues and Biosocial Problems.

    ERIC Educational Resources Information Center

    Levin, Florence S.; Lindbeck, Joy S.

    1979-01-01

    Analyzes five biology textbooks in 11 categories identified as current controversial issues and biosocial problems. Quantitative ratings for each category, based on total number of textbook pages, are presented for Darwinian evolution, disease states, drugs, environment, human genetics, human reproduction, man in nature, origin of life, population…

  14. A content analysis of the presentation of the mole concept in chemistry textbooks

    NASA Astrophysics Data System (ADS)

    Staver, John R.; Lumpe, Andrew T.

    The goal of this study was to examine the means used by textbook authors to introduce, define, and explain the mole concept in high school and introductory college chemistry textbooks. The analysis was framed by four questions:1How is the mole defined?2What concepts about the atom are introduced prior to the mole?3Is Avogadro's constant presented as an experimentally determined value?4What is the context for introducing the mole?Twenty-nine high school and introductory college level chemistry texts were examined. After independent reading of appropriate sections of each text, discussion of differences, second or third readings of texts, and subsequent discussions, both authors reach 100% agreement concerning the results. Major conclusions were: Two ways of defining the mole dominate the texts. One way defines the mole as Avogadro's number (6.02 × 1023) particles; the other method defines the mole in terms of carbon-12. All texts that present a definition in terms of C-12 introduce and define concepts about the atom prior to introducing the mole. Most texts at all levels point out that the value 6.02 × 1023 is an experimentally determined quantity. Nearly all texts discuss the mole in relation to die problem of finding a way to count particles that are too small to be directly weighed. Most texts also use a familiar counting unit, such as the dozen, to introduce the mole by analogy. Four issues were discussed: (a) the defining attributes of the mole concept itself and the cognitive requirements for comprehending the two most frequently used definitions; (b) the connection between the definition of the mole presented in the text and the concepts about atoms that are introduced before the mole concept is developed; (c) the experimental nature of Avogadro's number; and (d) the context or setting for developing the mole concept.

  15. Analysis of the project synthesis goal cluster orientation and inquiry emphasis of elementary science textbooks

    NASA Astrophysics Data System (ADS)

    Staver, John R.; Bay, Mary

    The purpose of this descriptive study was to examine selected units of commonly used elementary science texts, using the Project Synthesis goal clusters as a framework for part of the examination. An inquiry classification scheme was used for the remaining segment. Four questions were answered: (1) To what extent do elementary science textbooks focus on each Project Synthesis goal cluster? (2) In which part of the text is such information found? (3) To what extent are the activities and experiments merely verifications of information already introduced in the text? (4) If inquiry is present in an activity, then what is the level of such inquiry?Eleven science textbook series, which comprise approximately 90 percent of the national market, were selected for analysis. Two units, one primary (K-3) and one intermediate (4-6), were selected for analysis by first identifying units common to most series, then randomly selecting one primary and one intermediate unit for analysis.Each randomly selected unit was carefully read, using the sentence as the unit of analysis. Each declarative and interrogative sentence in the body of the text was classified as: (1) academic; (2) personal; (3) career; or (4) societal in its focus. Each illustration, except those used in evaluation items, was similarly classified. Each activity/experiment and each miscellaneous sentence in end-of-chapter segments labelled review, summary, evaluation, etc., were similarly classified. Finally, each activity/experiment, as a whole, was categorized according to a four-category inquiry scheme (confirmation, structured inquiry, guided inquiry, open inquiry).In general, results of the analysis are: (1) most text prose focuses on academic science; (2) most remaining text prose focuses on the personal goal cluster; (3) the career and societal goal clusters receive only minor attention; (4) text illustrations exhibit a pattern similar to text prose; (5) text activities/experiments are academic in orientation

  16. Quantitative Analysis of Representations of Nature of Science in Nordic Upper Secondary School Textbooks Using Framework of Analysis Based on Philosophy of Chemistry

    NASA Astrophysics Data System (ADS)

    Vesterinen, Veli-Matti; Aksela, Maija; Lavonen, Jari

    2013-07-01

    The aim of this study was to assess how the different aspects of nature of science (NOS) were represented in Finnish and Swedish upper secondary school chemistry textbooks. The dimensions of NOS were analyzed from five popular chemistry textbook series. The study provides a quantitative method for analysis of representations of NOS in chemistry textbooks informed by domain-specific research on the philosophy of chemistry and chemical education. The selection of sections analyzed was based on the four themes of scientific literacy: knowledge of science, investigate nature of science, science as a way of thinking, and interaction of science, technology and society. For the second round of analysis the theme of science as a way of thinking was chosen for a closer inspection. The units of analysis in this theme were analyzed using seven domain specific dimensions of NOS: tentative, empirical, model-based, inferential, technological products, instrumentation, and social and societal dimensions. Based on the inter-rater agreement, the procedure and frameworks of analysis presented in this study was a reliable way of assessing the emphasis given to the domain specific aspects of NOS. All textbooks have little emphasis on the theme science as a way of thinking on a whole. In line with the differences of curricula, Swedish textbooks emphasize the tentative dimension of NOS more than Finnish textbooks. To provide teachers with a sufficiently wide variety of examples to discuss the different dimensions of NOS changes to the national core curricula are needed. Although changing the emphasis of the curricula would be the most obvious way to affect the emphasis of the textbooks, other efforts such as pre- and in-service courses for developing teachers understanding of NOS and pedagogic approaches for NOS instruction to their classroom practice might also be needed.

  17. Learning Objectives and Testing: An Analysis of Six Principles of Economics Textbooks, Using Bloom's Taxonomy.

    ERIC Educational Resources Information Center

    Karns, James M. L.; And Others

    1983-01-01

    Significant differences were found between the stated objectives of most college level economics textbooks and the instruments included in the instructor's manuals to measure student achievement. (Author/RM)

  18. Seismic piping test and analysis. Volumes 1, 2, and 3

    SciTech Connect

    Not Available

    1980-09-01

    This report presents selected results to date of a dynamic testing and analysis program focusing on a piping system at Consolidated Edison Company of New York's Indian Point-1 Nuclear Generating Station. The goal of this research program is the development of more accurate and realistic models of piping systems subjected to seismic, hydraulic, operating, and other dynamic loads. The program seeks to identify piping system properties significant to dynamic response rather than seeking to simulate any particular form of excitation. The fundamental experimental approach is the excitation of piping/restraint devices/supports by a variety of dynamic test methods and the analysis of the resulting response to identify the characteristic dynamic properties of the system tested. The comparison of the identified dynamic properties to those predicted by alternative analytical approaches will support improvements in methods used in the dynamic analysis of piping, restraint, devices, and supports.

  19. Identity Options in Russian Textbooks

    ERIC Educational Resources Information Center

    Shardakova, Marya; Pavlenko, Aneta

    2004-01-01

    This article introduces a new analytical approach to the study of identity options offered in foreign and second language textbooks. This approach, grounded in poststructuralist theory and critical discourse analysis, is applied to 2 popular beginning Russian textbooks. Two sets of identity options are examined in the study: imagined learners…

  20. United States History Textbooks: Cloned Mediocrity.

    ERIC Educational Resources Information Center

    Siler, Carl R.

    1990-01-01

    Using content analysis, presents a study of 14 U.S. history textbooks. Analyzes textbook treatment of the Declaration of Independence, the atomic bomb, and the Holocaust. Examines nontextual materials. Finds errors of omission, boring writing styles, and a basic similarity between the textbooks. (RW)

  1. Multidirectional War Narratives in History Textbooks

    ERIC Educational Resources Information Center

    van der Vlies, Tina

    2016-01-01

    This article aims to contribute to the field of textbook research by exploring a new approach in textbook analysis. Inspired by Michael Rothberg's concept of multidirectional memory, this article examines multidirectional narratives in history textbooks: narratives that combine different histories, places and times in a productive way. They…

  2. Chemistry and Chemical Education Through Text and Image: Analysis of Twentieth Century Textbooks Used in Brazilian Context

    NASA Astrophysics Data System (ADS)

    Souza, Karina Ap F. D.; Porto, Paulo Alves

    2012-05-01

    Assuming that textbooks give literary expression to cultural and ideological values of a nation or group, we propose the analysis of chemistry textbooks used in Brazilian universities throughout the twentieth century. We analyzed iconographic and textual aspects of 31 textbooks which had significant diffusion in the context of Brazilian universities at that period. As a result of the iconographic analysis, nine categories of images were proposed: (1) laboratory and experimentation, (2) industry and production, (3) graphs and diagrams, (4) illustrations related to daily life, (5) models, (6) illustrations related to the history of science, (7) pictures or diagrams of animal, vegetable or mineral samples, (8) analogies and (9) concepts of physics. The distribution of images among the categories showed a different emphasis in the presentation of chemical content due to a commitment to different conceptions of chemistry over the period. So, we started with chemistry as an experimental science in the early twentieth century, with an emphasis change to the principles of chemistry from the 1950s, culminating in a chemistry of undeniable technological influence. Results showed that reflections not only on the history of science, but on the history of science education, may be useful for the improvement of science education.

  3. An analysis of global problem issues in sixth-and seventh-grade textbooks

    NASA Astrophysics Data System (ADS)

    Hamm, Mary; Adams, Dennis

    The study examines the extent to which the global issues of population growth, world hunger, air quality and atmosphere, and water resources were treated in sixth- and seventh-grade science textbooks. Ten textbooks were examined by five raters to determine the amount of content presented by different textbooks on global issues, the number of pages of content devoted to each issue, and the degree of depth in which issues were treated. Differences between grade levels were also explored. Of the 4,393 pages of content analyzed, less than 2 percent was devoted to these issues identified as the most serious human problems. No significant differences were found between textbook series. Significant differences were found in the number of pages of content presented on each issue. Most of the content fell into the categories of water resources, population growth, air quality, and atmosphere. The issue of war technology had the least amount of content. Distribution of content did not vary by grade level. Both levels addressed the issues of population growth, air quality, and water resources with a greater degree of depth than the issue of world hunger or war technology. The study concludes that the most widely used textbooks at the sixth- and seventh-grade levels avoid serious discussion of major global problems. And like the career indecision of a recent Miss America contestant, purchasers don't seem to be able to decide whether they want science textbooks to be a brain surgeon or a movie actress. Implications stemming from this dichotomy and its relationship to future science education curricular are also explored.

  4. A Textbook Analysis of Travel & Tourism Textbooks from the Perspective of University Students' Attitudes towards English as a Foreign Language Learning

    ERIC Educational Resources Information Center

    Garcia Laborda, Jesus

    2005-01-01

    In general, ESP textbooks tend to reflect methodological trends, educational fashions and changing contents. Undeniably, their quality has increased in the last 15 years and they tend to cater for most students' needs regardless of the pupils' field of study. However, those related to English teaching and learning for tourism studies do not…

  5. Analysis of chemistry textbook content and national science education standards in terms of air quality-related learning goals

    NASA Astrophysics Data System (ADS)

    Naughton, Wendy

    In this study's Phase One, representatives of nine municipal agencies involved in air quality education were interviewed and interview transcripts were analyzed for themes related to what citizens need to know or be able to do regarding air quality concerns. Based on these themes, eight air quality Learning Goal Sets were generated and validated via peer and member checks. In Phase Two, six college-level, liberal-arts chemistry textbooks and the National Science Education Standards (NSES) were analyzed for congruence with Phase One learning goals. Major categories of desired citizen understandings highlighted in agency interviews concerned air pollution sources, impact, detection, and transport. Identified cognitive skills focused on information-gathering and -evaluating skills, enabling informed decision-making. A content match was found between textbooks and air quality learning goals, but most textbooks fail to address learning goals that remediate citizen misconceptions and inabilities---particularly those with a "personal experience" focus. A partial match between NSES and air quality learning goals was attributed to differing foci: Researcher-derived learning goals deal specifically with air quality, while NSES focus is on "fundamental science concepts," not "many science topics." Analysis of findings within a situated cognition framework suggests implications for instruction and NSES revision.

  6. Considerations of multicultural science and curriculum reform: A content analysis of state-adopted biology textbooks in Florida

    NASA Astrophysics Data System (ADS)

    Delgato, Margaret H.

    The purpose of this investigation was to determine the extent to which multicultural science education, including indigenous knowledge representations, had been infused within the content of high school biology textbooks. The study evaluated the textbook as an instructional tool and framework for multicultural science education instruction by comparing the mainstream content to indigenous knowledge perspectives portrayed in the student and teacher editions of 34 textbooks adopted in Florida within the last four adoption cycles occurring from 1990 to 2006. The investigation involved a content analysis framed from a mixed methods approach. Emphasis was placed, in consideration of the research questions and practicality of interpreting text with the potential for multiple meanings, within qualitative methods. The investigation incorporated five strategies to assess the extent of multicultural content: (1) calculation of frequency of indigenous representations through the use of a tally; (2) assessment of content in the teacher editions by coding the degree of incorporation of multicultural content; (3) development of an archaeology of statements to determine the ways in which indigenous representations were incorporated into the content; (4) use of the Evaluation Coefficient Analysis (ECO) to determine extent of multicultural terminologies within content; and (5) analysis of visuals and illustrations to gauge percentages of depictions of minority groups. Results indicated no solid trend in an increase of inclusion of multicultural content over the last four adoption cycles. Efforts at most reduced the inclusion of indigenous representations and other multicultural content to the level of the teacher edition distributed among the teacher-interleafed pages or as annotations in the margins. Degree of support of multicultural content to the specific goals and objectives remained limited across all four of the adoption cycles represented in the study. Emphasis on

  7. English Language Teaching in Spain: Do Textbooks Comply with the Official Methodological Regulations? A Sample Analysis

    ERIC Educational Resources Information Center

    Criado, Raquel; Sanchez, Aquilino

    2009-01-01

    The goal of this paper is to verify up to what point ELT textbooks used in Spanish educational settings comply with the official regulations prescribed, which fully advocate the Communicative Language Teaching Method (CLT). For that purpose, seven representative coursebooks of different educational levels and modalities in Spain--secondary, upper…

  8. High School World History Textbooks: An Analysis of Content Focus and Chronological Approaches

    ERIC Educational Resources Information Center

    Marino, Michael P.

    2011-01-01

    Research about social studies textbooks overwhelmingly supports the conclusion that these books are unpopular and often the subject of intense criticisms. These criticisms concern anything ranging from the language they employ, to the way they are utilized by teachers, to the undue influence they exert on shaping and defining curriculum. This…

  9. An Investigation of Critical Reading in Reading Textbooks: A Qualitative Analysis

    ERIC Educational Resources Information Center

    Zabihi, Reza; Pordel, Mojtaba

    2011-01-01

    As a technique for discovering and evaluating information within texts, critical reading might be a panacea for those learners whose voices and choices are muted and ignored. A crucial question is thus to ask whether and to what extent popular reading textbooks meet the criteria for the development of critical reading. To this end, the present…

  10. A Comparative Analysis of MEXT English Reading Textbooks and Japan's National Center Test

    ERIC Educational Resources Information Center

    Underwood, Paul

    2010-01-01

    Despite the influence of changing demographics in Japan, the National Center Test for University Entrance Exams continues to assert an ever increasing role in the process of university admissions. In preparation for this examination, the majority of senior high school students learn from textbooks approved by the Japanese Ministry of Education,…

  11. A Content Analysis Exploring Lesbian, Gay, Bisexual, and Transgender Topics in Foundations of Education Textbooks

    ERIC Educational Resources Information Center

    Macgillivray, Ian K.; Jennings, Todd

    2008-01-01

    This research analyzed the most widely used foundations of education textbooks for lesbian, gay, bisexual, and transgender (LGBT) content. Because foundations of education coursework routinely introduces other diversity topics in education, the authors hold it is a good place to introduce LGBT topics. The ways in which LGBT topics are included in…

  12. A Historical Analysis of the Daniell Cell and Electrochemistry Teaching in French and Tunisian Textbooks

    ERIC Educational Resources Information Center

    Boulabiar, Ahlem; Bouraoui, Kamel; Chastrette, Maurice; Abderrabba, Manef

    2004-01-01

    The condition in which the Daniell Cell was historically constructed is examined and the evolution of its presentation in French and Tunisian chemistry textbooks is analyzed. Based on the studies, several innovations to facilitate the teaching of the cell, and more generally, the teaching of electrochemistry and of ionic conduction are proposed.

  13. An Analysis of Eye Movement and Cognitive Load about the Editorial Design in Elementary Science Textbook

    ERIC Educational Resources Information Center

    Kim, Seong-un; Lim, Sung-man; Kim, Eun-ae; Yang, Il-ho

    2016-01-01

    This study is for the implication of editorial design in science textbooks which are designed for student-centered instruction, when the elements of the editorial design are different, we focus on how the students' eye movement and cognitive load change. For this, we produced a new book for 5th grade students in elementary school that is modified…

  14. Knowledge Transmission versus Social Transformation: A Critical Analysis of Purpose in Elementary Social Studies Methods Textbooks

    ERIC Educational Resources Information Center

    Butler, Brandon M.; Suh, Yonghee; Scott, Wendy

    2015-01-01

    In this article, the authors investigate the extent to which 9 elementary social studies methods textbooks present the purpose of teaching and learning social studies. Using Stanley's three perspectives of teaching social studies for knowledge transmission, method of intelligence, and social transformation; we analyze how these texts prepare…

  15. Application of Feminist Phase Theory in Educational Leadership Textbooks: A Developmental Analysis

    ERIC Educational Resources Information Center

    Reggio, Phyllis F.

    2013-01-01

    A key focus of school administration programs is to prepare educators for the challenges of urban leadership. When female school leaders aspire to leadership positions, the challenges that these issues present are often compounded by other factors such as gender stereotypes and limited opportunities. Textbooks, key tools of leadership study, that…

  16. History in Black and White: An Analysis of South African School History Textbooks.

    ERIC Educational Resources Information Center

    Dean, Elizabeth; And Others

    Designed to examine the way that different ethnic groups are presented in South African secondary school history textbooks, this study gives special attention to the extent and nature of ethnic stereotyping in texts and the endorsement of particular social and political attitudes relevant to contemporary South Africa. By using a sociological…

  17. A Relationship Analysis: A Professor, 500 Students, and an Assigned Textbook

    ERIC Educational Resources Information Center

    Swanson, Ryan A.

    2014-01-01

    This study emphasizes an often overlooked avenue of inquiry in the increasingly escalating textbook debate: What is the relationship between the instructor, the students, and the assigned text? And correspondingly, how does one go about analyzing this crucial relationship? Over the past two years, Ryan Swanson gathered data from 549 students in…

  18. A Content Analysis of Visual Aesthetics' Occurrences in Instructional Design Textbooks

    ERIC Educational Resources Information Center

    Brown, Lori A.

    2010-01-01

    Visual aesthetics in instructional design was defined for the purposes of this dissertation by the design actions of contrast, alignment, repetition, and proximity (CARP), insofar as they contribute to learning experience. Occurrences of visual aesthetics were identified and analyzed in three frequently required, graduate-level textbooks in…

  19. An Analysis of Data Activities and Instructional Supports in Middle School Science Textbooks

    ERIC Educational Resources Information Center

    Morris, Bradley J.; Masnick, Amy M.; Baker, Katie; Junglen, Angela

    2015-01-01

    A critical component of science and math education is reasoning with data. Science textbooks are instructional tools that provide opportunities for learning science content (e.g. facts about force and motion) and process skills (e.g. data recording) that support and augment reasoning with data. In addition, the construction and design of textbooks…

  20. An Analysis of Chinese Primary Reading and Writing Textbooks in the People's Republic of China.

    ERIC Educational Resources Information Center

    Sheridan, E. Marcia

    This paper analyses elementary school Chinese language textbooks for teaching reading and writing in primary grades in the People's Republic of China. The paper begins by examining the characteristics of the Chinese written language, particularly how the reforms of written Chinese in China since the 1950s have affected instructional materials.…

  1. Investigating the Geometry Curriculum in Palestinian Textbooks: Towards Multimodal Analysis of Arabic Mathematics Discourse

    ERIC Educational Resources Information Center

    Alshwaikh, Jehad

    2016-01-01

    The analytical scheme used in the project The Evolution of the Discourse of School Mathematics (EDSM) was developed to analyse the change over time in examination texts. An adapted version of the EDSM scheme has been deployed to analyse the nature of mathematics construed in Palestinian schools' textbooks and the mathematical activity expected of…

  2. Is Gender Stereotyping Still an Issue? An Analysis of a Hong Kong Primary English Textbook Series

    ERIC Educational Resources Information Center

    Yang, Chi Cheung Ruby

    2012-01-01

    This study aimed to investigate gender representation in an English textbook series used in Hong Kong schools. The corpus software AntConc was used to analyse the collocations of gendered terms "He/he," "She/she," "Man/man," "Woman/woman," "women," "Boy/boy," "Boys/boys,"…

  3. Elusive Images of the Other: A Postcolonial Analysis of South Korean World History Textbooks

    ERIC Educational Resources Information Center

    Kim, Young Chun; Moon, Seungho; Joo, Jaehong

    2013-01-01

    South Korean educators and curriculum scholars have attempted to challenge Eurocentric points of view in history education. Despite these efforts, the dominant textbooks and teaching practices in South Korea continue to project colonial epistemologies. This article argues that postcolonial inquiry into knowledge production can help expand the…

  4. The Analysis on the Length and Content Changes on Secondary Mathematics Textbooks in North Korea

    ERIC Educational Resources Information Center

    Cho, Hoyun

    2010-01-01

    North Korea is one of the most closed nations in the world. It is difficult to access information about their education system. North Korea's economic system was reorganized on July 1, 2002, as well as the education system. This change has impacted North Korea's mathematics education. With limited information on North Korean mathematics textbooks,…

  5. Analysis of Readability and Interest of Vocational Education Textbooks: Implications for Special Needs Learners.

    ERIC Educational Resources Information Center

    Jones, Karen H.

    1995-01-01

    Six readability formulas (Flesch, Kincaid-Flesch, Dale-Chall, Gunning-Fog, Raygor, and Fog) were used to evaluate 260 vocational textbooks. The formulas were effective in discriminating ease or difficulty. Human interest scores, but not writing style, were a strong factor in identifying accessible texts for special populations. (SK)

  6. Analysis of Readability and Interest of Home Economics Textbooks for Special Needs Learners.

    ERIC Educational Resources Information Center

    Jones, Karen H.

    A study examined 58 home economics education textbooks in terms of reading difficulty, writing style, and interest level for special population learners. The objective was to identify texts, using six different readability formulas that were significantly more difficult and provided educational obstacles to special populations in their preparation…

  7. An Analysis of Selected Biology Textbooks for the Treatment of Controversial Issues.

    ERIC Educational Resources Information Center

    Levin, Florence; Lindbeck, Joy S.

    Five secondary school biology textbooks were selected for this study: the 1973 edition of the BSCS Blue Version, "Biological Science, Molecules to Man"; the 1973 edition of the BSCS Green Version, "Biological Science, An Ecological Approach"; the 1973 edition of the BSCS Yellow Version, "An Inquiry into Life"; the 1973 edition of "Modern Biology"…

  8. Analysis of Narrative Texts in Secondary School Textbooks in Terms of Values Education

    ERIC Educational Resources Information Center

    Sallabas, Muhammed Eyyup

    2013-01-01

    Texts have a crucial place in language education and probably they are the most important means of education. Students at the primary and secondary education ages mostly read narrative texts like short stories, poems and fictional books. This study attempts to assess value transfer in narrative texts at the secondary education textbooks. Our study…

  9. Experiences of Students with Visual Impairments in Adoption of Digital Talking Textbooks: An Interpretative Phenomenological Analysis

    ERIC Educational Resources Information Center

    Hussin, Ahamad

    2013-01-01

    Assistive technology devices have become essential tools for students with visual impairments. In 2009, the Malaysian Ministry of Education introduced Digital Talking Textbooks (DTTs) for selected subjects to facilitate learning. The purpose of this qualitative study was to explore, describe, and interpret the experiences of students with visual…

  10. Instrument for Textbook Assessment.

    ERIC Educational Resources Information Center

    Huetteman, Julie Doidge

    An instrument to assist in assessing textbooks was created to provide a concise format for comparison and evaluation. Textbook characteristics were selected to illustrate content and proportion of characteristics of textbooks. Nine textbook characteristics were selected for quantifying the content areas of textbooks: (1) number of pages in the…

  11. What Makes a Top-Selling Textbook? Comparing Characteristics of AIS Textbooks

    ERIC Educational Resources Information Center

    Badua, Frank; Sharifi, Mohsen; Mendez Mediavilla, Francis

    2014-01-01

    The factors involved in the selection of accounting textbooks are under-investigated, and most of the research is survey-based, largely ignoring the information that could be analyzed by direct inspection of textbook content and its impact on textbook selection. In this study the authors fill this lacuna by deploying content analysis of the…

  12. Analysis of prescription database extracted from standard textbooks of traditional Dai medicine

    PubMed Central

    2012-01-01

    Background Traditional Dai Medicine (TDM) is one of the four major ethnomedicine of China. In 2007 a group of experts produced a set of seven Dai medical textbooks on this subject. The first two were selected as the main data source to analyse well recognized prescriptions. Objective To quantify patterns of prescriptions, common ingredients, indications and usages of TDM. Methods A relational database linking the prescriptions, ingredients, herb names, indications, and usages was set up. Frequency of pattern of combination and common ingredients were tabulated. Results A total of 200 prescriptions and 402 herbs were compiled. Prescriptions based on "wind" disorders, a detoxification theory that most commonly deals with symptoms of digestive system diseases, accounted for over one third of all prescriptions. The major methods of preparations mostly used roots and whole herbs. Conclusion The information extracted from the relational database may be useful for understanding symptomatic treatments. Antidote and detoxification theory deserves further research. PMID:22931752

  13. Standardizing the Essential Knowledge, Skills, and Attitudes for Democratic Life: A Content Analysis of Virginia Standards of Learning and Social Studies Textbooks

    ERIC Educational Resources Information Center

    Scott, Wendy; Suh, Yonghee

    2015-01-01

    This content analysis explored how Civics and Government textbooks and the Virginia Standards of Learning for Civics and Government courses reflect citizenship outcomes, specifically deconstructing the unique needs of marginalized students. The coding frame was constructed by using themes and categories from previous literature, specifically…

  14. Views of Nature and the Human-Nature Relations: An Analysis of the Visual Syntax of Pictures about the Environment in Greek Primary School Textbooks--Diachronic Considerations

    ERIC Educational Resources Information Center

    Lemoni, Rea; Lefkaditou, Ageliki; Stamou, Anastasia G.; Schizas, Dimitrios; Stamou, George P.

    2013-01-01

    This paper explores the function of the visual syntax of images in Greek primary school textbooks. By using a model for the formal analysis of the visual material, which will allow us to disclose the mechanisms through which meanings are manifested, our aim is to investigate the discursive transition relating to the view of nature and the…

  15. Are We There Yet? An Analysis of Multicultural Content in the Early Childhood Education Specialization Textbooks Used by One University's Teacher Preparation Program

    ERIC Educational Resources Information Center

    Popplewell, Susan G.

    2010-01-01

    This study examined the presence, allocation, and quality of multicultural content found within 17 textbooks assigned to preservice teachers for early childhood education specialization courses at a large regional university in Oklahoma. A mixed-methods content analysis was conducted to assess the depth, breadth and instructional relevance of 58…

  16. Communication and Academic Vocabulary in Mathematics: A Content Analysis of Prompts Eliciting Written Responses in Two Elementary Mathematics Textbooks

    ERIC Educational Resources Information Center

    Joseph, Christine M.

    2012-01-01

    The purpose of this study was to investigate how writing in mathematics is treated in one 4th grade National Science Foundation (NSF)-funded mathematics textbook titled "Everyday Mathematics" and one publisher-generated textbook titled "enVision MATH." The developed framework provided categories to support each of the research…

  17. Analysis of Five High School Biology Textbooks Used in the United States for Inclusion of the Nature of Science

    ERIC Educational Resources Information Center

    Chiappetta, Eugene L.; Fillman, David A.

    2007-01-01

    Five high school biology textbooks were examined to determine the inclusion of four aspects of the nature of science: (a) science as a body of knowledge, (b) science as a way of investigating, (c) science as a way of thinking, and (d) science and its interactions with technology and society. The textbooks analyzed were "BSCS Biology--A Human…

  18. Analysis of the Approach to Parasitic Cycles in Brazilian Science Textbooks as a Tool for Education in Health and Environment

    ERIC Educational Resources Information Center

    Simplicio, Nathan D. C. S.; Cordova, Bianca C.; Oliveira-Filho, Eduardo C.

    2016-01-01

    Modifying the environment is a characteristic of the human species. With deforestation and the expansion of urban centers, diseases known in animals have begun to be described in humans. Science textbooks constitute an instrument of great importance in understanding this issue. This study evaluated the main science textbooks, recommended by the…

  19. Towards an Analysis of Visual Images in School Science Textbooks and Press Articles about Science and Technology.

    ERIC Educational Resources Information Center

    Dimopoulos, Kostas; Koulaidis, Vasilis; Sklaveniti, Spyridoula

    2003-01-01

    Analyzes the pedagogic functions of visual images included in school science textbooks and daily press articles about science and technology. Indicates that the science textbooks (a) use 10 times more images, (b) use more images so as to familiarize their readers with the specialized techno-scientific content and codes, and (c) tend to create a…

  20. Old Wine in New Bottles: An Analysis of Changes in Social Studies Textbooks from Old to New Edition.

    ERIC Educational Resources Information Center

    Woodward, Arthur; Nagel, Kathleen Carter

    Faced with a market that puts a premium on newness, artwork, and copyright date, the textbook industry seems to have been forced into a hectic textbook revision cycle in which improvement in instructional quality takes a poor second place to more superficial changes. While educators think they are getting newer, different, and, therefore better…

  1. An Analysis of State Adopted Foreign Language Textbooks Used in First- and Third-Year High School Spanish Classes.

    ERIC Educational Resources Information Center

    Macian, Janice L.

    1986-01-01

    Provides information about the curriculum characteristics of first- and third-year high school Spanish textbooks and determines what differences exist among the texts involved. Study results indicate that these textbooks are consistently "deficient" on nearly all of the dimensions examined. (Author/SED)

  2. Textbooks Content Analysis of Social Studies and Natural Sciences of Secondary School Based on Emotional Intelligence Components

    ERIC Educational Resources Information Center

    Babaei, Bahare; Abdi, Ali

    2014-01-01

    The aim of this study is to analyze the content of social studies and natural sciences textbooks of the secondary school on the basis of the emotional intelligence components. In order to determine and inspect the emotional intelligence components all of the textbooks content (including texts, exercises, and illustrations) was examined based on…

  3. Analysis of Physical Science Textbooks for Conceptual Frameworks on Acids, Bases and Neutralization: Implications for Students' Conceptual Understanding.

    ERIC Educational Resources Information Center

    Erduran, Sibel

    Eight physical science textbooks were analyzed for coverage on acids, bases, and neutralization. At the level of the text, clarity and coherence of statements were investigated. The conceptual framework for this topic was represented in a concept map which was used as a coding tool for tracing concepts and links present in textbooks. Cognitive…

  4. An Analysis of the Treatment of Corporate Influence on Government by United States History and American Government High School Textbooks

    ERIC Educational Resources Information Center

    Neumann, Richard

    2014-01-01

    This article reports on an investigation to explore the possibility that ideology might be expressed in the treatment of corporate influence on federal government by social studies textbooks. Two textbooks were examined in the study--United States history and American government. Corporate influence involves activities that affect election and…

  5. Scholarship, Textbooks, and Mythology

    ERIC Educational Resources Information Center

    Noell, Laura K.

    2004-01-01

    A new textbook designed for first- or second-year courses in mythology as an introduction to literature shows that a community college faculty member who writes a textbook adds teaching experience to scholarship.

  6. The L(1/2) regularization approach for survival analysis in the accelerated failure time model.

    PubMed

    Chai, Hua; Liang, Yong; Liu, Xiao-Ying

    2015-09-01

    The analysis of high-dimensional and low-sample size microarray data for survival analysis of cancer patients is an important problem. It is a huge challenge to select the significantly relevant bio-marks from microarray gene expression datasets, in which the number of genes is far more than the size of samples. In this article, we develop a robust prediction approach for survival time of patient by a L(1/2) regularization estimator with the accelerated failure time (AFT) model. The L(1/2) regularization could be seen as a typical delegate of L(q)(01/2) regularized AFT model by the coordinate descent algorithm with a renewed half thresholding operator. The results of the simulation experiment showed that we could obtain more accurate and sparse predictor for survival analysis by the L(1/2) regularized AFT model compared with other L1 type regularization methods. The proposed procedures are applied to five real DNA microarray datasets to efficiently predict the survival time of patient based on a set of clinical prognostic factors and gene signatures.

  7. Which Textbook--Does It Matter?

    ERIC Educational Resources Information Center

    McLeod, P. J.; Harden, R. M.

    1986-01-01

    Reports on a content analysis of 14 textbooks on endocrinology. Using thyrotoxicosis as the content maker, the study indicated major differences between books with regard to the information provided and the number of words devoted to the subject. Suggests that medical teachers selecting textbooks be aware of such differences. (TW)

  8. Immigrant Success Stories in ESL Textbooks

    ERIC Educational Resources Information Center

    Gulliver, Trevor

    2010-01-01

    Immigrant success stories found in English as a second language (ESL) textbooks used in government-funded language instruction in Canada imagine Canada as a redeemer of immigrant newcomers. Through a critical discourse analysis of ESL textbooks used in Language Instruction for Newcomers to Canada classes in Ontario, I identify two primary…

  9. Readability of College General Biology Textbooks: Revisited.

    ERIC Educational Resources Information Center

    Walker, Noojin

    1980-01-01

    Described are results from a study of college general biology textbooks determining significant increases or decreases in human-interest level and/or grade-level readability. In an analysis of eight textbooks used in 56 colleges, it was concluded that neither readability nor interest level has changed from 1960 to 1978. (CS)

  10. Intersections of Gender, Race, and Class in Introductory Textbooks

    ERIC Educational Resources Information Center

    Puentes, Jennifer; Gougherty, Matthew

    2013-01-01

    We update Ferree and Hall’s (1996) examination of the stratification systems of gender, race, and class in introductory textbooks. Using a sample of textbooks from 2003 through 2010, we explore 24 introductory sociology textbooks to determine the relationship between categories of gender, race, and class and levels of analysis. Previous research…

  11. Citizenship and Moral Education in Religious Education Textbooks

    ERIC Educational Resources Information Center

    Balciuniene, Inga; Mazeikiene, Natalija

    2005-01-01

    The purpose of this study was to examine interconnections between religiosity and citizenship education in Lithuanian religious education textbooks. Six textbooks (for 5-10 grades) used in Lithuanian basic schools were chosen for the content analysis. Dimensions of citizenship and morality found in religious education textbooks were classified…

  12. Instruction in Language Textbooks: Moving Culture into the Driver's Seat.

    ERIC Educational Resources Information Center

    Young, Dolly Jesusita

    An analysis of a random sample of first- and second-year Spanish textbooks reveals that language textbooks fall short of achieving the affective goals learners and teachers value most, the aspect of culture that focuses on philosophical perspectives involving meaning, value, attitudes, and ideas. Moreover, most textbooks treat culture as products…

  13. Textbooks 101: Textbook Collection at the University of Minnesota

    ERIC Educational Resources Information Center

    Crouse, Caroline

    2007-01-01

    This article analyzes a textbook collection project that spanned three semesters at the University of Minnesota. The project consisted of collecting extra copies from professors in several departments and placing the items on reserves for short term circulation; there was a small amount of money dedicated to the project. An analysis of circulation…

  14. Factor analysis of the WISC-R (Spanish version) at 11 age levels between 6 1/2 and 16 1/2 years.

    PubMed

    Gass, C S; Demsky, Y I; Martin, P C

    1998-01-01

    The Spanish version of the Wechsler Intelligence Scale for Children-Revised (WISC-R, Wechsler, 1974)-the Escala de Inteligencia para Niños-Revision (EIWN-R, Wechsler, 1982)-has a potentially important role in the assessment of Hispanic children. However, little is known regarding its psychometric characteristics. This study used the normative data from the EIWN-R standardization sample (N = 532 Cuban Americans) to examine its factorial composition and general comparability with the WISC-R. Within each of the 11 age groups (ages 6 1/2 to 16 1/2), the correlation matrix of raw scores was subjected to a principal components analysis and varimax rotation. The results supported a 2-factor solution across age groups roughly corresponding with Wechsler's verbal and performance dimensions. The existence of a meaningful third factor, which has empirical support in the WISC-R literature, failed to emerge for the EIWN-R.

  15. The Rise and Fall of Science Education: A Content Analysis of Science in Elementary Reading Textbooks of the 19th Century

    ERIC Educational Resources Information Center

    Rillero, Peter

    2010-01-01

    In the 19th century the textbook dominated the curriculum and methods of instruction. The most important textbook was the textbook of reading known as the reader. In the early 1800s science was not established as a separate primary grade subject. The science students encountered in these reading textbooks may have been their only formal science…

  16. The Truly Free Textbook

    ERIC Educational Resources Information Center

    Beezer, Rob

    2009-01-01

    In this article, the author shares his experience when he converted his linear algebra course notes into an open-source textbook. This textbook began, in large measure, as a demonstration project to answer the following questions: (1) Could an individual, simply as a content expert, use computers and networks for the creation and distribution of a…

  17. Management Textbooks as Propaganda.

    ERIC Educational Resources Information Center

    Cameron, Kim S.; Ireland, R. Duane; Lussier, Robert N.; New, J. Randolph; Robbins, Stephen P.

    2003-01-01

    Four management textbook authors react to the metaphor of textbooks as propaganda. All write to support managerial ideology and are aware of the market, but believe their role in shaping the field is limited. Includes two responses: "Propaganda, Trusteeship, and Artifact" (Daniel R. Gilbert) and "The Hegemonic Discourse of Management Texts" (Ali…

  18. The Textbook as Curriculum.

    ERIC Educational Resources Information Center

    Ariew, Robert

    The lack of cultural content, low interest level, and crowdedness of second language textbooks arise because every textbook represents a compromise: between the publisher's need to sell a book and the author's need to address specific pedagogical issues, and between the need to explain grammatical points fully and the need to explain them briefly.…

  19. Encyclopedia as Textbook

    ERIC Educational Resources Information Center

    Pallo, Gabor

    2006-01-01

    Textbooks and encyclopedias represent different genres of scientific literature. Textbooks help the students to prepare for their examinations in various subjects taught at schools, such as logic, metaphysic, chemistry. In the 17th Century some Calvinist professors, mostly in Germany, thought that a universal wholeness should be taught for the…

  20. Financial Mathematical Tasks in a Middle School Mathematics Textbook Series: A Content Analysis

    ERIC Educational Resources Information Center

    Hamburg, Maryanna P.

    2009-01-01

    This content analysis examined the distribution of financial mathematical tasks (FMTs), mathematical tasks that contain financial terminology and require financially related solutions, across the National Standards in K-12 Personal Finance Education categories (JumpStart Coalition, 2007), the thinking skills as identified by "A Taxonomy for…

  1. Teacher Candidates Exposure to Formative Assessment in Educational Psychology Textbooks: A Content Analysis

    ERIC Educational Resources Information Center

    Wininger, Steven R.; Norman, Antony D.

    2005-01-01

    The purpose of this article is to define formative assessment, outline what is known about the prevalence of formative assessment implementation in the classroom, establish the importance of formative assessment with regards to student motivation and achievement, and present the results of a content analysis of current educational psychology…

  2. A Discussion on an Expression Written about Dimensional Analysis in a Physics Textbook

    ERIC Educational Resources Information Center

    Yildiz, Ali

    2015-01-01

    The purpose of this study is to discuss a wrong statement written about dimensional analysis in a physics text book prepared for the students who are studying in science, engineering and teaching undergraduate programs at universities and who have to take compulsory physics courses, to analyse the use of the text book including the wrong…

  3. Christopher Columbus, Hernando Cortes, and Francisco Pizzaro: A Qualitative Content Analysis Examining Cultural Bias in World History Textbooks

    ERIC Educational Resources Information Center

    Lillejord, Jebadiah Serril

    2013-01-01

    The purpose of this study is to investigate to what extent contemporary high school world history textbooks portray Christopher Columbus, Hernán Cortés, and Francisco Pizarro within the context of being "sacred," "profane," or someplace in between. To evaluate for existence of content bias this study employed qualitative…

  4. Using Conversation Analysis To Evaluate Pre-Sequences in Invitation, Offer, and Request Dialogues in ESL Textbooks.

    ERIC Educational Resources Information Center

    Bernsten, Suzanne Graham

    This paper uses conversation analytic research on a particular practice of organization in talk--pre-sequences--to evaluate English as a Second Language (ESL) textbook dialogues and make recommendations for their improvement. Pre-sequences, such as pre-invitations (e.g., What are you doing on Friday night?) and their responses are used to show…

  5. An Ontological and Epistemological Analysis of the Presentation of the First Law of Thermodynamics in School and University Textbooks

    ERIC Educational Resources Information Center

    Poblete, Joaquin Castillo; Rojas, Rocio Ogaz; Merino, Cristian; Quiroz, Waldo

    2016-01-01

    Considering the relevance of thermodynamics to the scientific discipline of chemistry and the curriculum of the Western school system, the philosophical system of Mario Bunge, particularly his ontology and epistemology, is used herein to analyze the presentation of the first law of thermodynamics in 15 school and university textbooks. The…

  6. New Format, Same Old Story?: An Analysis of Traditional and Digital U.S. History Textbook Accounts of Slavery

    ERIC Educational Resources Information Center

    Lathan, Jamie L.

    2013-01-01

    While the distortions and omissions in traditional U. S. history textbook accounts of slavery have been well documented (Alexander, 2002; Brown & Brown, 2010; Banks, 1969; Council on Interracial Books for Children, 1977; Elson, 1964; Gordy & Pritchard, 1995; Kane, 1970; Kochlin, 1998; Washburn, 1997), no study has analyzed digital U. S.…

  7. Insidious Colonialism in Post-Apartheid Education: Interplay of Black Teacher Narratives, Educational Policy and Textbook Analysis

    ERIC Educational Resources Information Center

    Subreenduth, Sharon

    2013-01-01

    This article focuses on the larger project of identifying oppressive structures (during apartheid more specifically in this instance) and how educational policy/textbooks (post-apartheid) produce transformative knowledge for decolonization. It presents Black South African teacher perceptions and desires of what/how educational policy, history…

  8. The Limits of Master Narratives in History Textbooks: An Analysis of Representations of Martin Luther King, Jr.

    ERIC Educational Resources Information Center

    Alridge, Derrick P.

    2006-01-01

    In this study, I argue that American history textbooks present discrete, heroic, one-dimensional, and neatly packaged master narratives that deny students a complex, realistic, and rich understanding of people and events in American history. In making this argument, I examine the master narratives of Martin Luther King, Jr., in high school history…

  9. Sexually Transmitted Infections and the Use of Condoms in Biology Textbooks. A Comparative Analysis across Sixteen Countries

    ERIC Educational Resources Information Center

    Bernard, Sandie; Clement, Pierre; Carvalho, Graca; Gilda, Alves; Berger, Dominique; Thiaw, Seyni Mame; Sabah, Selmaoui; Salaheddine, Khzami; Skujiene, Grita; Abdelli, Sami; Mondher, Abrougui; Calado, Florbela; Bogner, Franz; Assaad, Yammine

    2008-01-01

    Our study focused on two topics, Sexually Transmitted Infections (STIs) and their control using condoms. For this, we analysed and compared 42 school textbooks from 16 countries on the general topic "Human Reproduction and Sex Education" using a specific grid designed by the BIOHEAD-Citizen project. Acquired Immune Deficiency Syndrome (AIDS) was a…

  10. A Comparative Analysis of Earth Science Curriculum Using Inquiry Methodology between Korean and the U.S. Textbooks

    ERIC Educational Resources Information Center

    Park, Mira; Park, Do-Yong; Lee, Robert E.

    2009-01-01

    The purpose of this study is to investigate in what ways the inquiry task of teaching and learning in earth science textbooks reflect the unique characteristics of earth science inquiry methodology, and how it provides students with opportunities to develop their scientific reasoning skills. This study analyzes a number of inquiry activities in…

  11. The Reflection of Social Values in Public School Reading Textbooks in the United States: A Critical Content Analysis

    ERIC Educational Resources Information Center

    Stockdale, Christopher L.

    2015-01-01

    In light of the recently published Common Core State Standards Initiative, public school curriculum has once again come under scrutiny. While curriculum debates have taken place since the very beginnings of public schooling in the United States, too few have taken more than a passing notice of the textbooks that, in many cases, comprise the…

  12. Communication Practices of Yesteryear: A Qualitative Analysis of Business and Professional Communication Textbooks in the Last Ten Years.

    ERIC Educational Resources Information Center

    Howard, Heather A.

    In 1993, E. Perrigo and D. Gaut surveyed 222 business communication professors and received the names of textbooks that there instructors used. From the list, 10 were chosen and examined to discover what the authors deemed important knowledge for business students. Areas identified were: (1) the role or importance of communication in business…

  13. Sociology of health textbooks and narratives: historical significance.

    PubMed

    Nunes, Everardo Duarte

    2016-03-01

    This article has as its starting point two central ideas: textbooks as a means of production and dissemination of knowledge and narrative as an approach. After a brief review of studies on health/medical sociology textbooks, I analyze a few of these textbooks from the 1900-2012 period, produced in the United States and England. I have selected eleven textbooks which I thought were representative. In addition to a content analysis, the textbooks are located within the process of constitution of the health/medical sociology with brief references to the biographies of the authors. The textbooks analyzed were classified according to the main narrative features: doctor-centered; interdisciplinary; pedagogical; analytical; almost autobiographical; critical; and synthetic-reflective. In the final remarks, some points about the textbooks, limits and possibilities are presented.

  14. Developing electronic textbooks

    SciTech Connect

    Zadoks, R.I.; Ratner, J.A.

    1996-03-01

    This paper discusses a new approach to the development of engineering education materials. The ``Electronic Textbook`` represents the logical progression of the printed textbook in the Electronic Age. The concept behind this approach is simple; to place all of the information contained in a textbook in electronic form. Currently, paper texts exist on the market with electronic supplements, however, this Electronic Textbook would include supplements fully integrated in the whole text. The computer hardware and software needed to make this advance possible have existed for nearly ten years, and they have been readily available to engineering educators and students for over three years. Computer based ``tools`` in engineering textbooks as are prevalent today range from computer styled algorithms and code snippets, to fully developed software applications with graphical user interfaces on floppy disks attached to the back covers of books. The next logical step in publishing is to dispense with the paper book entirely, by distributing textbooks via electronic media such as CD-ROM. Electronic Textbooks use the full range of multi-media technologies in the learning and teaching process including video clips, computer animations and fully functional numerical engines as integral parts of the textbook material. This is very appealing since interactive media provide teaching tools that appeal to divergent learning styles. The advantages of Electronic Textbooks lead to several challenges. Special attention must be paid to the development of user interfaces; navigation is of particular importance when non- linear exploration is encouraged. These issues are being addressed at the Sandia National Laboratories by an electronic documentation development team. This team includes experts in engineering, in human factors, and in computer hardware and software development. Guidelines for the development of electronic textbooks based on the experiences of this team are provided.

  15. Semantic Network Analysis on Terms related Mantle in Earth Science 2 Textbooks of Korea

    NASA Astrophysics Data System (ADS)

    Chung, Duk Ho; reum Cho, Ah; Park, Seon Ok

    2016-04-01

    The purpose of this study is to demonstrate if freshmen's cognitive frame about 'Crisis of the Earth' upon taking the Earth science 1 in high school reflects the school curriculum. The data was collected from 67 freshmen who'd graduated high school in formal education. They expressed 'Crisis of the Earth' as a painting with explanation and then we extracted units of meaning from paintings, respectively. We analyzed the words and frame using the Semantic Network Analysis. The result is as follows; First, as every participant forms the cognitive frame for the crisis of the Earth, it is shown that they connect each part which that composes the global environment and realize it as the changing relation with interaction. Secondly, forming a cognitive frame regarding crisis of the Earth, both groups connect it with human endeavor. Especially, it seems that the group of participants who finished Earth Science I fully reflects the course of the formal education. It is necessary to make the students recognize it from a universal point of view, not only from the Earth. Also, much effort is required in order to enlighten about the appropriateness regarding problem-solving of the Earth and expand their mind as time changes. Keywords : Earth ScienceⅠ, cognitive frame, crisis of the earth, semantic network analysis

  16. Amateurs Crossing Prairies of Oblivion: Textbook Writers and Textbook Research.

    ERIC Educational Resources Information Center

    Johnsen, Egil Borre

    1994-01-01

    Contends that an author's contribution to a textbook may be more or less significant, depending on how much importance is attached to curricula, publishers, consultants, and the school environment. Discusses the changing role of textbook authors in Norway and other nations. Reviews research on textbook development and textbook writing. (CFR)

  17. [Recognizing and defining dying. Analysis of end-of-life coverage in German nursing textbooks].

    PubMed

    Pleschberger, Sabine; Hornek, Alexandra

    2011-08-01

    Text books play an important role in basic education in nursing. This study aimed at capturing the extent and content of end-of-life issues in nursing text books in German language. For that reason, a quantitative and a qualitative analysis of relevant content in a comprehensive sample of nursing text books available (n = 65) were conducted. Whereas 29.2 % of the books do not cover the issue at all, 44.5 % dedicate a separate chapter to the issue of dying, which accounts for 1.34 % of all pages on average. Of all specialties, both surgery and internal medicine feature the lowest, and paediatrics and oncology the highest share of coverage. 41.53 % of all text books studied contain a definition of the term dying which is based on a great variety of approaches. 23 books list criteria that define the recognition of dying, 21 of which draw attention to symptoms of impending death. 84 % of the books refer to the work of Elisabeth Kübler-Ross. Overall, the amount of coverage of the issue of dying in nursing text books can be considered marginal by international comparison. What is problematic is the conceptual reduction to physiological signs of impending death and the lack of references to existing theoretical work. Integration of knowledge from the area of palliative care in all specialties is strongly needed. Additionally, there is a need for a stronger conceptual debate in order to avoid problems in communication about death and dying in nursing education and practice.

  18. World History Textbooks: A Review

    ERIC Educational Resources Information Center

    Sewall, Gilbert T.

    2004-01-01

    This world history review examines standard textbooks used between the sixth and twelfth grades in schools across the nation. These established textbooks dominate the field and set the pitch for new and forthcoming volumes. The 2002 Texas history textbook adoption and the California list have influenced what textbooks will dominate the national…

  19. An Analysis of the Learning Activities Covered in the 5th Grade Science Textbooks Based on 2005 and 2013 Turkish Science Curricula

    ERIC Educational Resources Information Center

    Aydogdu, Cemil; Idin, Sahin

    2015-01-01

    The aim of this study is to analyze the learning activities covered in 5th grade elementary science textbooks which depend on 2005 and 2013 elementary science curricula. Two elementary science textbooks [which] depend on 2005 science curriculum and two elementary science textbooks [which] depend on 2013 science curriculum were researched. The…

  20. An Analysis of the Learning Activities Covered in the 5th Grade Science Textbooks Based on 2005 and 2013 Turkish Science Curricula

    ERIC Educational Resources Information Center

    Aydogdu, Cemil; Idin, Sahin

    2015-01-01

    The aim of this study is to analyze the learning activities covered in 5th grade elementary science textbooks which depend on 2005 and 2013 elementary science curricula. Two elementary science textbooks depends on 2005 science curriculum and two elementary science textbooks depend on 2013 science curriculum were researched. The study is a…

  1. Detection of somatic BRCA1/2 mutations in ovarian cancer - next-generation sequencing analysis of 100 cases.

    PubMed

    Koczkowska, Magdalena; Zuk, Monika; Gorczynski, Adam; Ratajska, Magdalena; Lewandowska, Marzena; Biernat, Wojciech; Limon, Janusz; Wasag, Bartosz

    2016-07-01

    The overall prevalence of germline BRCA1/2 mutations is estimated between 11% and 15% of all ovarian cancers. Individuals with germline BRCA1/2 alterations treated with the PARP1 inhibitors (iPARP1) tend to respond better than patients with wild-type BRCA1/2. Additionally, also somatic BRCA1/2 alterations induce the sensitivity to iPARP1. Therefore, the detection of both germline and somatic BRCA1/2 mutations is required for effective iPARP1 treatment. The aim of this study was to identify the frequency and spectrum of germline and somatic BRCA1/2 alterations in a group of Polish patients with ovarian serous carcinoma. In total, 100 formalin-fixed paraffin-embedded (FFPE) ovarian serous carcinoma tissues were enrolled to the study. Mutational analysis of BRCA1/2 genes was performed by using next-generation sequencing. The presence of pathogenic variants was confirmed by Sanger sequencing. In addition, to confirm the germline or somatic status of the mutation, the nonneoplastic tissue was analyzed by bidirectional Sanger sequencing. In total, 27 (28% of patient samples) mutations (20 in BRCA1 and 7 in BRCA2) were identified. For 22 of 27 patients, nonneoplastic cells were available and sequencing revealed the somatic character of two BRCA1 (2/16; 12.5%) and two BRCA2 (2/6; 33%) mutations. Notably, we identified six novel frameshift or nonsense BRCA1/2 mutations. The heterogeneity of the detected mutations confirms the necessity of simultaneous analysis of BRCA1/2 genes in all patients diagnosed with serous ovarian carcinoma. Moreover, the use of tumor tissue for mutational analysis allowed the detection of both somatic and germline BRCA1/2 mutations. PMID:27167707

  2. Detection of somatic BRCA1/2 mutations in ovarian cancer - next-generation sequencing analysis of 100 cases.

    PubMed

    Koczkowska, Magdalena; Zuk, Monika; Gorczynski, Adam; Ratajska, Magdalena; Lewandowska, Marzena; Biernat, Wojciech; Limon, Janusz; Wasag, Bartosz

    2016-07-01

    The overall prevalence of germline BRCA1/2 mutations is estimated between 11% and 15% of all ovarian cancers. Individuals with germline BRCA1/2 alterations treated with the PARP1 inhibitors (iPARP1) tend to respond better than patients with wild-type BRCA1/2. Additionally, also somatic BRCA1/2 alterations induce the sensitivity to iPARP1. Therefore, the detection of both germline and somatic BRCA1/2 mutations is required for effective iPARP1 treatment. The aim of this study was to identify the frequency and spectrum of germline and somatic BRCA1/2 alterations in a group of Polish patients with ovarian serous carcinoma. In total, 100 formalin-fixed paraffin-embedded (FFPE) ovarian serous carcinoma tissues were enrolled to the study. Mutational analysis of BRCA1/2 genes was performed by using next-generation sequencing. The presence of pathogenic variants was confirmed by Sanger sequencing. In addition, to confirm the germline or somatic status of the mutation, the nonneoplastic tissue was analyzed by bidirectional Sanger sequencing. In total, 27 (28% of patient samples) mutations (20 in BRCA1 and 7 in BRCA2) were identified. For 22 of 27 patients, nonneoplastic cells were available and sequencing revealed the somatic character of two BRCA1 (2/16; 12.5%) and two BRCA2 (2/6; 33%) mutations. Notably, we identified six novel frameshift or nonsense BRCA1/2 mutations. The heterogeneity of the detected mutations confirms the necessity of simultaneous analysis of BRCA1/2 genes in all patients diagnosed with serous ovarian carcinoma. Moreover, the use of tumor tissue for mutational analysis allowed the detection of both somatic and germline BRCA1/2 mutations.

  3. Representation of scientific methodology in secondary science textbooks

    NASA Astrophysics Data System (ADS)

    Binns, Ian C.

    The purpose of this investigation was to assess the representation of scientific methodology in secondary science textbooks. More specifically, this study looked at how textbooks introduced scientific methodology and to what degree the examples from the rest of the textbook, the investigations, and the images were consistent with the text's description of scientific methodology, if at all. The sample included eight secondary science textbooks from two publishers, McGraw-Hill/Glencoe and Harcourt/Holt, Rinehart & Winston. Data consisted of all student text and teacher text that referred to scientific methodology. Second, all investigations in the textbooks were analyzed. Finally, any images that depicted scientists working were also collected and analyzed. The text analysis and activity analysis used the ethnographic content analysis approach developed by Altheide (1996). The rubrics used for the text analysis and activity analysis were initially guided by the Benchmarks (AAAS, 1993), the NSES (NRC, 1996), and the nature of science literature. Preliminary analyses helped to refine each of the rubrics and grounded them in the data. Image analysis used stereotypes identified in the DAST literature. Findings indicated that all eight textbooks presented mixed views of scientific methodology in their initial descriptions. Five textbooks placed more emphasis on the traditional view and three placed more emphasis on the broad view. Results also revealed that the initial descriptions, examples, investigations, and images all emphasized the broad view for Glencoe Biology and the traditional view for Chemistry: Matter and Change. The initial descriptions, examples, investigations, and images in the other six textbooks were not consistent. Overall, the textbook with the most appropriate depiction of scientific methodology was Glencoe Biology and the textbook with the least appropriate depiction of scientific methodology was Physics: Principles and Problems. These findings

  4. Textbooks, Transitions, and Transplants

    ERIC Educational Resources Information Center

    Callahan, Leroy G.; Passi, Sneh Lata

    1972-01-01

    Three popular textbooks were analyzed for level of cognitive processes used, and implications were drawn regarding supplementary activities if the English primary school model is to be transplanted" in America. (MM)

  5. Encyclopedia as Textbook

    NASA Astrophysics Data System (ADS)

    Palló, Gábor

    2006-11-01

    Textbooks and encyclopedias represent different genres of scientific literature. Textbooks help the students to prepare for their examinations in various subjects taught at schools, such as logic, metaphysic, chemistry. In the 17th Century some Calvinist professors, mostly in Germany, thought that a universal wholeness should be taught for the students. Encyclopedias adequately expressed this vision. Some of these professors, including Johannes Alsted, were invited to Hungary, Transylvania, to introduce the encyclopedic spirit to the local schools. This act fostered the first textbook in Hungarian language written by János Apáczai Csere. This book was an encyclopedia born mostly in the Netherlands where the author studied. The Cartesian philosophy combined with a Ramist system served as the basis of the book. Its history shows how the local conditions influence the content of knowledge incorporated into a textbook.

  6. Bibliography of Writing Textbooks.

    ERIC Educational Resources Information Center

    Smitten, Paige Dayton

    1993-01-01

    Presents annotations of 179 writing textbooks (new texts or new editions of previously published texts) having a 1993 copyright date. Includes developmental and ESL writing texts, first-year writing texts, advanced writing texts, special texts, and professional texts. (RS)

  7. Analysis of Cav1.2 and Ryanodine Receptor Clusters in Rat Ventricular Myocytes

    PubMed Central

    Scriven, David R.L.; Asghari, Parisa; Schulson, Meredith N.; Moore, Edwin D.W.

    2010-01-01

    We analyzed the distribution of ryanodine receptor (RyR) and Cav1.2 clusters in adult rat ventricular myocytes using three-dimensional object-based colocalization metrics. We found that ∼75% of the Cav1.2 clusters and 65% of the RyR clusters were within couplons, and both were roughly two and a half times larger than their extradyadic counterparts. Within a couplon, Cav1.2 was concentrated near the center of the underlying RyR cluster and accounted for ∼67% of its size. These data, together with previous findings from binding studies, enable us to estimate that a couplon contains 74 RyR tetramers and 10 copies of the α-subunit of Cav1.2. Extradyadic clusters of RyR contained ∼30 tetramers, whereas the extradyadic Cav1.2 clusters contained, on average, only four channels. Between 80% and 85% of both RyR and Cav1.2 molecules are within couplons. RyR clusters were in the closest proximity, with a median nearest-neighbor distance of 552 nm; comparable values for Cav1.2 clusters and couplons were 619 nm and 735 nm, respectively. Extradyadic RyR clusters were significantly closer together (624 nm) and closer to the couplons (674 nm) than the couplons were to each other. In contrast, the extradyadic clusters of Cav1.2 showed no preferential localization and were broadly distributed. These results provide a wealth of morphometric data that are essential for understanding intracellular Ca2+ regulation and modeling Ca2+ dynamics. PMID:21156134

  8. The Role of Situational Authenticity in English Language Textbooks

    ERIC Educational Resources Information Center

    Chan, Jim Yee Him

    2013-01-01

    This study assesses the extent to which situational authenticity has been implemented in three commercial ELT textbook series in Hong Kong, which are designed to reflect the local sociolinguistic setting. The analysis involved the quantification and categorization of both written and spoken texts in the textbooks. The results of this analysis were…

  9. The Changing Face of War in Textbooks: Depictions of World War II and Vietnam, 1970-2009

    ERIC Educational Resources Information Center

    Lachmann, Richard; Mitchell, Lacy

    2014-01-01

    How have U.S. high school textbook depictions of World War II and Vietnam changed since the 1970s? We examined 102 textbooks published from 1970 to 2009 to see how they treated U.S. involvement in World War II and Vietnam. Our content analysis of high school history textbooks finds that U.S. textbooks increasingly focus on the personal experiences…

  10. Punctuation Instruction in Elementary School Textbooks.

    ERIC Educational Resources Information Center

    Gentry, Larry A.

    A computer-assisted analysis was conducted of the punctuation skills taught in nine series of language arts textbooks. Each text was subjected to a detailed, page-by-page analysis of instructional content, resulting in a content-specific analysis of punctuation instruction at each grade level. The results indicated significant differences among…

  11. Heat and Kinetic Theory in 19th-Century Physics Textbooks: The Case of Spain.

    ERIC Educational Resources Information Center

    Vaquero, Jose M.; Santos, Andres

    2001-01-01

    Presents an analysis of the contents of 19th century Spanish textbooks. These textbooks are centered on imponderable fluids, the concept of energy, the mechanical theory of heat, and the kinetic theory of gases. (SAH)

  12. Angular momentum analysis of interactions between spin-(1/2) particles

    SciTech Connect

    Riddell, A.G.; Stedman, G.E.

    1984-10-01

    In the interaction of N spin-(1/2) particles, the possible types of dependence of the cross section on polarization and momentum three-vectors and/or on two-spinor components may be defined with the use of angular-momentum-coupling trees with j = 1 and/or j = (1/2) external labels, respectively. We show, using integrity-basis theory, that all such trees with spin-(1/2) labels only may be expressed as sums of products of Kronecker delta functions and 2jm symbols in the spinor component labels; this is related to Kramers's method of spinor invariants. The integrity-basis method also identifies the nature of inter-relationships between the spinor invariants. Explicit reductions of angular momentum trees of degree 2N in spin-(1/2) labels are given for N< or =4. As simple illustrations of the application of such trees, we discuss the Dirac and Anderson spin Hamiltonians of nonrelativistic exchange theory in this context and also develop a concise description of the polarization dependence of Moller scattering in QED.

  13. An open-source textbook for teaching climate-related risk analysis using the R computing environment

    NASA Astrophysics Data System (ADS)

    Applegate, P. J.; Keller, K.

    2015-12-01

    Greenhouse gas emissions lead to increased surface air temperatures and sea level rise. In turn, sea level rise increases the risks of flooding for people living near the world's coastlines. Our own research on assessing sea level rise-related risks emphasizes both Earth science and statistics. At the same time, the free, open-source computing environment R is growing in popularity among statisticians and scientists due to its flexibility and graphics capabilities, as well as its large library of existing functions. We have developed a set of laboratory exercises that introduce students to the Earth science and statistical concepts needed for assessing the risks presented by climate change, particularly sea-level rise. These exercises will be published as a free, open-source textbook on the Web. Each exercise begins with a description of the Earth science and/or statistical concepts that the exercise teaches, with references to key journal articles where appropriate. Next, students are asked to examine in detail a piece of existing R code, and the exercise text provides a clear explanation of how the code works. Finally, students are asked to modify the existing code to produce a well-defined outcome. We discuss our experiences in developing the exercises over two separate semesters at Penn State, plus using R Markdown to interweave explanatory text with sample code and figures in the textbook.

  14. Some Perceptions of English Geography Textbook Authors on Writing Textbooks

    ERIC Educational Resources Information Center

    Lee, Jongwon; Catling, Simon

    2016-01-01

    There has been much research into the nature and uses of school geography textbooks as teaching resources, yet the perceptions of their authors have been neglected. This study investigated the perspectives of a sample of authors of English primary and secondary school geography textbooks on their experiences as textbook authors. It enquired into…

  15. What's Wrong with Economics Textbooks?

    ERIC Educational Resources Information Center

    Culyer, A. J.

    1985-01-01

    Many things are wrong with college level economics textbooks. For example, they are too ahistorical, too particularist, or unsystematically eclectic. The requirements of a good college economics textbook are examined. (RM)

  16. Functional and Structural Analysis of a β-Glucosidase Involved in β-1,2-Glucan Metabolism in Listeria innocua

    PubMed Central

    Miyanaga, Akimasa; Abe, Koichi; Takahashi, Yuta; Sugimoto, Naohisa; Toyoizumi, Hiroyuki; Nakai, Hiroyuki; Kitaoka, Motomitsu; Taguchi, Hayao

    2016-01-01

    Despite the presence of β-1,2-glucan in nature, few β-1,2-glucan degrading enzymes have been reported to date. Recently, the Lin1839 protein from Listeria innocua was identified as a 1,2-β-oligoglucan phosphorylase. Since the adjacent lin1840 gene in the gene cluster encodes a putative glycoside hydrolase family 3 β-glucosidase, we hypothesized that Lin1840 is also involved in β-1,2-glucan dissimilation. Here we report the functional and structural analysis of Lin1840. A recombinant Lin1840 protein (Lin1840r) showed the highest hydrolytic activity toward sophorose (Glc-β-1,2-Glc) among β-1,2-glucooligosaccharides, suggesting that Lin1840 is a β-glucosidase involved in sophorose degradation. The enzyme also rapidly hydrolyzed laminaribiose (β-1,3), but not cellobiose (β-1,4) or gentiobiose (β-1,6) among β-linked gluco-disaccharides. We determined the crystal structures of Lin1840r in complexes with sophorose and laminaribiose as productive binding forms. In these structures, Arg572 forms many hydrogen bonds with sophorose and laminaribiose at subsite +1, which seems to be a key factor for substrate selectivity. The opposite side of subsite +1 from Arg572 is connected to a large empty space appearing to be subsite +2 for the binding of sophorotriose (Glc-β-1,2-Glc-β-1,2-Glc) in spite of the higher Km value for sophorotriose than that for sophorose. The conformations of sophorose and laminaribiose are almost the same on the Arg572 side but differ on the subsite +2 side that provides no interaction with a substrate. Therefore, Lin1840r is unable to distinguish between sophorose and laminaribiose as substrates. These results provide the first mechanistic insights into β-1,2-glucooligosaccharide recognition by β-glucosidase. PMID:26886583

  17. Functional and Structural Analysis of a β-Glucosidase Involved in β-1,2-Glucan Metabolism in Listeria innocua.

    PubMed

    Nakajima, Masahiro; Yoshida, Ryuta; Miyanaga, Akimasa; Abe, Koichi; Takahashi, Yuta; Sugimoto, Naohisa; Toyoizumi, Hiroyuki; Nakai, Hiroyuki; Kitaoka, Motomitsu; Taguchi, Hayao

    2016-01-01

    Despite the presence of β-1,2-glucan in nature, few β-1,2-glucan degrading enzymes have been reported to date. Recently, the Lin1839 protein from Listeria innocua was identified as a 1,2-β-oligoglucan phosphorylase. Since the adjacent lin1840 gene in the gene cluster encodes a putative glycoside hydrolase family 3 β-glucosidase, we hypothesized that Lin1840 is also involved in β-1,2-glucan dissimilation. Here we report the functional and structural analysis of Lin1840. A recombinant Lin1840 protein (Lin1840r) showed the highest hydrolytic activity toward sophorose (Glc-β-1,2-Glc) among β-1,2-glucooligosaccharides, suggesting that Lin1840 is a β-glucosidase involved in sophorose degradation. The enzyme also rapidly hydrolyzed laminaribiose (β-1,3), but not cellobiose (β-1,4) or gentiobiose (β-1,6) among β-linked gluco-disaccharides. We determined the crystal structures of Lin1840r in complexes with sophorose and laminaribiose as productive binding forms. In these structures, Arg572 forms many hydrogen bonds with sophorose and laminaribiose at subsite +1, which seems to be a key factor for substrate selectivity. The opposite side of subsite +1 from Arg572 is connected to a large empty space appearing to be subsite +2 for the binding of sophorotriose (Glc-β-1,2-Glc-β-1,2-Glc) in spite of the higher Km value for sophorotriose than that for sophorose. The conformations of sophorose and laminaribiose are almost the same on the Arg572 side but differ on the subsite +2 side that provides no interaction with a substrate. Therefore, Lin1840r is unable to distinguish between sophorose and laminaribiose as substrates. These results provide the first mechanistic insights into β-1,2-glucooligosaccharide recognition by β-glucosidase.

  18. College Textbook Reading Assignments and Class Time Activity

    ERIC Educational Resources Information Center

    Aagaard, Lola; Conner, Timothy W., II.; Skidmore, Ronald L.

    2014-01-01

    A convenient cluster sample of 105 undergraduate students at a regional university in the midsouth completed a survey regarding their use of college textbooks, what strategies might increase the likelihood of their reading textbook assignments, and their preference for how class time was used. Descriptive analysis was conducted on the results and…

  19. Representation of Scientific Methodology in Secondary Science Textbooks

    ERIC Educational Resources Information Center

    Binns, Ian C.; Bell, Randy L.

    2015-01-01

    This study explored how eight widely used secondary science textbooks described scientific methodology and to what degree the textbooks' examples and investigations were consistent with this description. Data consisted of all text from student and teacher editions that referred to scientific methodology and all investigations. Analysis used an…

  20. Representing African American Women in U.S. History Textbooks

    ERIC Educational Resources Information Center

    Schocker, Jessica B.; Woyshner, Christine

    2013-01-01

    This article addresses the dearth of African American women in high school U.S. history textbooks. The authors conducted a content analysis of the images in an African American history textbook and found that black women are underrepresented. Women are found in less than 15 percent of the images in the African American history text, while they…

  1. Content and Coverage of "Culture" in Introductory Textbooks

    ERIC Educational Resources Information Center

    Lake-Corral, Lorien T.

    2012-01-01

    This dissertation reports the results of a content analysis of Introductory Sociology textbooks in order to assess their coverage of, and approach to, the teaching of "culture" in the hopes of ultimately creating a unified approach for the introduction of students to the sociology of culture. Looking at introductory sociology textbooks,…

  2. Are U.S. Elementary School Reading Textbooks Sex Stereotyped?

    ERIC Educational Resources Information Center

    Gonzalez-Suarez, Mirta; Ekstrom, Ruth B.

    Seven representative elementary school textbooks used in the United States were examined, as part of an international study of sex-stereotyping in textbooks, to determine whether the depiction of males and females was qualitatively and quantitatively sex-equitable. The analysis used a gender models checklist developed by M. Gonzalez-Suarez (1986)…

  3. Japan in Our Textbooks: The Need for Alternative Resources.

    ERIC Educational Resources Information Center

    Wojtan, Linda S.

    1981-01-01

    Based on premise that knowledge of other peoples and places is no longer a luxury but rather a pragmatic life tool, article focuses on the image of Japan in textbooks used in social studies classes throughout the United States. Suggests that U.S. textbooks get high marks on factual information but score low in context, analysis, and perspective.…

  4. Deconstruction of Cultural Dominance in Korean EFL Textbooks

    ERIC Educational Resources Information Center

    Song, Heejin

    2013-01-01

    This article examines patterns of cultural representations embedded in Korean EFL textbooks, using a content analysis to investigate how different cultures are reflected in textbooks and whether or not cultural biases are present. In the revised Korean national English curriculum that has been implemented since 2009, English is viewed as a…

  5. A List of Most Frequently Recommended Medical Textbooks *

    PubMed Central

    Inke, Gabor

    1971-01-01

    This paper is an analysis of a questionnaire which was sent to faculty members of eighty medical schools of the United States and Canada requesting their preferences regarding medical textbooks. It includes a list of recommended textbooks arranged by subject. PMID:5128702

  6. Evaluation of Two ESP Textbooks

    ERIC Educational Resources Information Center

    Al Fraidan, Abdullah

    2012-01-01

    This paper evaluated two ESP textbooks using the evaluation of McDonough and Shaw (2003) based on external and internal evaluation. The first textbook is "Business Objectives" (1996) by Vicki Hollett, and the second textbook is "Business Studies, Second Edition" (2002) by Alain Anderton. To avoid repetition, I will use BO and…

  7. Textbook Factor Demand Curves.

    ERIC Educational Resources Information Center

    Davis, Joe C.

    1994-01-01

    Maintains that teachers and textbook graphics follow the same basic pattern in illustrating changes in demand curves when product prices increase. Asserts that the use of computer graphics will enable teachers to be more precise in their graphic presentation of price elasticity. (CFR)

  8. Behind Textbook Censorship.

    ERIC Educational Resources Information Center

    Parker, Franklin; Parker, Betty

    Textbook censorship cases from Tennessee and Alabama have been brought before the U.S. Supreme Court. In east Tennessee, fundamentalist families objected to a 1983 Holt, Rinehart, and Winston reading series for grades 1-8. Federal District Judge Thomas G. Hull held that Hawkins County Schools had violated the families' First Amendment rights and…

  9. Textbooks: Costs and Issues

    ERIC Educational Resources Information Center

    Mize, Rita

    2004-01-01

    As community colleges seek to be as accessible as possible to students and attempt to retain low enrollment fees, manageable parking fees, and waiver of fees for those with financial needs, an additional and significant cost ? for textbooks and supplies ? has not been addressed systematically. While fees for a full-time student are $390 per…

  10. The Oldest Math Textbook.

    ERIC Educational Resources Information Center

    Blum, Christopher O.

    2002-01-01

    Asserts that when college mathematics is taught as one of the liberal arts, Euclid's Elements of Geometry, which is one of the oldest math textbooks, may still be the best, because it helps students understand what is "lovely about mathematics". Suggests that "Elements of Geometry" promotes the mental exercise that comes from careful reading and…

  11. Moving Metric: Textbooks.

    ERIC Educational Resources Information Center

    Hauck, George F.

    1981-01-01

    Lists engineering textbooks that use SI units. Includes author(s), title, publisher, year, and author's or publisher's comments on the use of the SI units. Books are categorized by topic, such as engineering mechanics, mechanics of materials, fluid mechanics, thermodynamics, structural design, and hydrology. (CS)

  12. Radiological Defense. Textbook.

    ERIC Educational Resources Information Center

    Defense Civil Preparedness Agency (DOD), Washington, DC.

    This textbook has been prepared under the direction of the Defense Civil Preparedness Agency (DCPA) Staff College for use as a student reference manual in radiological defense (RADEF) courses. It provides much of the basic technical information necessary for a proper understanding of radiological defense and summarizes RADEF planning and expected…

  13. Making Textbook Reading Meaningful

    ERIC Educational Resources Information Center

    Guthrie, John T.; Klauda, Susan Lutz

    2012-01-01

    When students enter middle school, they are confronted with the necessity of learning from complex content-area textbooks. Many students find these texts boring, and they may lack the higher-order reading comprehension skills they need to tackle complex text. Yet the ability to read informational text is essential to success in middle school and…

  14. Digital Textbooks. Research Brief

    ERIC Educational Resources Information Center

    Johnston, Howard

    2011-01-01

    Despite their growing popularity, digital alternatives to conventional textbooks are stirring up controversy. With the introduction of tablet computers, and the growing trend toward "cloud computing" and "open source" software, the trend is accelerating because costs are coming down and free or inexpensive materials are becoming more available.…

  15. The Novel as Textbook

    ERIC Educational Resources Information Center

    Gareis, Elisabeth; Allard, Martine; Saindon, Jackie

    2009-01-01

    The use of authentic literature, especially novels, has proven electrifying for teachers as well as students: a development mirrored in the success of related methodologies and the increasing availability of materials accompanying literature. The benefits of using novels as textbooks are numerous. Research consistently shows the benefits of…

  16. Sexism in Textbooks

    ERIC Educational Resources Information Center

    Moore, Robert B.

    1978-01-01

    Discusses controversy surrounding the equal-protection rights of students versus the freedom of expression rights of authors. This author pleads the side of the students and supports the Civil Rights Commission's endeavor to learn what sex and race bias guidelines textbook publishers use. Gives suggestions for parents and teachers. (BC)

  17. A Textbook Selection Process.

    ERIC Educational Resources Information Center

    Prosser, Daniel R.; Bondavalli, Bonnie J.

    In response to the problem facing college faculties of choosing textbooks that are both "readable" by students and adequate in content coverage, a text selection process has been developed that can be used with or without the aid of a reading specialist. The first step in the process, a preliminary check, examines each proposed text's publication…

  18. Bibliography of Writing Textbooks.

    ERIC Educational Resources Information Center

    Webb, Suzanne S.

    1992-01-01

    Provides annotations of 164 textbooks for developmental and ESL writing, freshman writing, advanced writing, professional writing, and software and computer-assisted instruction. Lists handbooks, rhetorics, workbooks, readers, special texts, composition/literature texts, and business/technical writing texts carrying a 1992 copyright date. (PRA)

  19. How Do Elementary Textbooks Address Fractions? A Review of Mathematics Textbooks in the USA, Japan, and Kuwait

    ERIC Educational Resources Information Center

    Alajmi, Amal Hussain

    2012-01-01

    Textbooks play an important part in the design of instruction. This study analyzed the presentation of fractions in textbooks designed for the elementary grades in Kuwait, Japan, and the USA. The analysis focused on the physical characteristics of the books, the structure of the lessons, and the nature of the mathematical problems presented.…

  20. Data analysis software for the autoradiographic enhancement process. Volumes 1, 2, and 3, and appendix

    NASA Technical Reports Server (NTRS)

    Singh, S. P.

    1979-01-01

    The computer software developed to set up a method for Wiener spectrum analysis of photographic films is presented. This method is used for the quantitative analysis of the autoradiographic enhancement process. The software requirements and design for the autoradiographic enhancement process are given along with the program listings and the users manual. A software description and program listings modification of the data analysis software are included.

  1. Biology School Textbooks and Their Role for Students' Success in Learning Sciences

    ERIC Educational Resources Information Center

    Pop-Pacurar, Irina; Ciascai, Liliana

    2010-01-01

    What is the quality of the Romanian biology textbooks? The article gives answers to this question by watching the evolution of a textbook and by suggesting an exercise for analyzing and assessing the alternative biology textbooks. The opportunity of this analysis has been offered to students, future teachers of biology, around the time when they…

  2. Post-War-History and Unification of Europe in Textbooks. The Romanian Experience.

    ERIC Educational Resources Information Center

    Capita, Laura

    This document surveys the changes in the content of history textbooks in Romania from the end of World War II to 1991. Post war Romanian education is examined through the education laws of 1948, 1958, and 1975, and at the syllabi and textbooks used. The textbooks are relevant for such an analysis because they represent the main material support of…

  3. Operant Conditioning Concepts in Introductory Psychology Textbooks and Their Companion Web Sites

    ERIC Educational Resources Information Center

    Sheldon, Jane P.

    2002-01-01

    Psychology instructors and textbook authors rate operant conditioning as one of the most essential concepts for students to learn, yet textbook writers, as well as students, can fall prey to misconceptions. This study is a content analysis of the presentation of operant conditioning in introductory psychology textbooks and their companion Web…

  4. New Histories for a New State: A Study of History Textbook Content in Northern Ireland

    ERIC Educational Resources Information Center

    Terra, Luke

    2014-01-01

    This study examined the changing content of history textbooks in Northern Ireland, drawing on a sample of 15 textbooks published from 1968 to 2010. Findings from the content and narrative analysis indicated that following the introduction of the Northern Ireland Curriculum in 1991, history textbooks shifted from a narrative to source-driven…

  5. The Disappearance of Independence in Textbook Coverage of Asch's Social Pressure Experiments

    ERIC Educational Resources Information Center

    Griggs, Richard A.

    2015-01-01

    Asch's classic social pressure experiments are discussed in almost all introductory and social psychology textbooks. However, the results of these experiments have been shown to be misrepresented in textbooks. An analysis of textbooks from 1953 to 1984 revealed that although most of the responses on critical trials were independent correct ones,…

  6. Turkish, Indian, and American Chemistry Textbooks Use of Inscriptions to Represent "Types of Chemical Reactions"

    ERIC Educational Resources Information Center

    Aydin, Sevgi; Sinha, Somnath; Izci, Kemal; Volkmann, Mark

    2014-01-01

    The purpose of this study was to investigate inscriptions used in "Types of Chemical Reactions" topic in Turkish, Indian, and American chemistry textbooks. We investigated both the types of inscriptions and how they were used in textbooks to support learning. A conceptual analysis method was employed to determine how those textbooks use…

  7. Realization of Culture in English Textbooks in Chinese High School Level

    ERIC Educational Resources Information Center

    Aliakbari, Mohammad; Jamalvandi, Behrouz

    2012-01-01

    This study reflects on the presentation of culture in the English textbooks adopted in Chinese high school level. The categorization by Ramirez and Hall (1990) shaped the basis of the textbook analysis. The main objectives of the inquiry were to examine the quality of representation of source, target and other cultures in the ELT textbooks.…

  8. An Analysis of the Idea of State in Textbooks from Ottoman Empire to the Republic in Terms of the Relation between Education and Power

    ERIC Educational Resources Information Center

    Dogan, Necmettin

    2011-01-01

    The concept of state has a specific importance for Turkish-political culture. However, the influence of textbooks in constructing the state concept in Turkish culture from Ottoman to modern Turkish Republic has not been adequately researched. In this paper, the relation between the state perception in Turkish culture and textbooks from Ottoman to…

  9. An Analysis of Activities in Saudi Arabian Middle School Science Textbooks and Workbooks for the Inclusion of Essential Features of Inquiry

    ERIC Educational Resources Information Center

    Aldahmash, Abdulwali H.; Mansour, Nasser S.; Alshamrani, Saeed M.; Almohi, Saeed

    2016-01-01

    This study examines Saudi Arabian middle school science textbooks' coverage of the essential features of scientific inquiry. All activities in the middle school science textbooks and workbooks were analyzed by using the scientific inquiry "essential features" rubric. The results indicated that the essential features are included in about…

  10. New imidazo[1,2-b]pyrazoles as anticancer agents: synthesis, biological evaluation and structure activity relationship analysis.

    PubMed

    Grosse, Sandrine; Mathieu, Véronique; Pillard, Christelle; Massip, Stéphane; Marchivie, Mathieu; Jarry, Christian; Bernard, Philippe; Kiss, Robert; Guillaumet, Gérald

    2014-09-12

    Synthesis and functionalization strategies of the imidazo[1,2-b]pyrazole core were developed giving a rapid access to three series of novel imidazo[1,2-b]pyrazole type derivatives: C-2/C-6/C-7 trisubstituted, C-2/C-3/C-6 tri(hetero)arylated and C-2/C-3/C-6/C-7 tetrasubstituted imidazo[1,2-b]pyrazoles. 39 of the synthetized products were evaluated for in vitro anticancer activity using the MTT colorimetric assay against 5 human and 1 murine cancer cell lines. Promising in vitro growth inhibitory activities were exhibited by some of the target compounds. Of the 39 evaluated products, 4 displayed an IC50 ≤ 10 μM in the 6 cell lines analyzed (compounds 4d, 4g, 9a, 11a). A structure activity relationship analysis is also reported in this paper. PMID:25064349

  11. Large data analysis: automatic visual personal identification in a demography of 1.2 billion persons

    NASA Astrophysics Data System (ADS)

    Daugman, John

    2014-05-01

    The largest biometric deployment in history is now underway in India, where the Government is enrolling the iris patterns (among other data) of all 1.2 billion citizens. The purpose of the Unique Identification Authority of India (UIDAI) is to ensure fair access to welfare benefits and entitlements, to reduce fraud, and enhance social inclusion. Only a minority of Indian citizens have bank accounts; only 4 percent possess passports; and less than half of all aid money reaches its intended recipients. A person who lacks any means of establishing their identity is excluded from entitlements and does not officially exist; thus the slogan of UIDAI is: To give the poor an identity." This ambitious program enrolls a million people every day, across 36,000 stations run by 83 agencies, with a 3-year completion target for the entire national population. The halfway point was recently passed with more than 600 million persons now enrolled. In order to detect and prevent duplicate identities, every iris pattern that is enrolled is first compared against all others enrolled so far; thus the daily workflow now requires 600 trillion (or 600 million-million) iris cross-comparisons. Avoiding identity collisions (False Matches) requires high biometric entropy, and achieving the tremendous match speed requires phase bit coding. Both of these requirements are being delivered operationally by wavelet methods developed by the author for encoding and comparing iris patterns, which will be the focus of this Large Data Award" presentation.

  12. Survey of International Trade/Economics Textbooks.

    ERIC Educational Resources Information Center

    Lucier, Richard L.

    1992-01-01

    Reviews 14 international economics textbooks to help instructors with selection. Includes organization and structure, topics covered, and characteristics of the texts. Suggests considerations such as course length, level of abstraction desired, opinion of numerically based graphical analysis, extensiveness of examples and applications, and whether…

  13. "Modern Secondary Economics Textbooks and Ideological Bias."

    ERIC Educational Resources Information Center

    Romanish, Bruce A.

    1983-01-01

    An analysis of the way 10 high school economics textbooks treat the topics of other economic systems, labor, role of government, and environment showed that the texts present free enterprise principles to the exclusion of other ideas. Topics which, if included, would provide a more balanced overall treatment are discussed. (RM)

  14. Socialism in High School Social Studies Textbooks

    ERIC Educational Resources Information Center

    Neumann, Richard

    2012-01-01

    This article concerns textbook analysis regarding the presentation of socialism in four leading high school social studies books, one in each of the following subjects: United States history, world history, United States government, and economics. Findings indicate that students relying on these texts to gain understanding of socialism and…

  15. The Internationalization of Introductory Accounting Textbooks.

    ERIC Educational Resources Information Center

    Bracken, Robert M.; Urbancic, Frank R.

    1997-01-01

    Analysis of 24 introductory accounting textbooks identified number and percentage of pages and chapters with international content. Financial accounting books generally had the most international content. There were wide variations in topics presented, extent of coverage, and number of relevant assignments. (SK)

  16. Texas High School Free Enterprise Textbooks.

    ERIC Educational Resources Information Center

    Ketcham, Allen F.; Rossman, Joseph E., Jr.

    The 66th and 67th Texas legislatures mandated that an economics course with an emphasis on the free enterprise system and its benefits be a required course for all students graduating from Texas high schools. This paper presents an analysis of the 1982-1988 textbooks adopted for that course. The key concepts evaluated were: definition of…

  17. Nelson Textbook of Pediatrics.

    PubMed

    Pomerance, Herbert H

    1997-03-01

    The dedication of this volume states:To the physicians and nurses who care for children in many different circumstances throughout the world and who, by their efforts and commitment, make the world a better place for children.I have used the Nelson Textbook of Pediatrics since its third edition. It remains a source of amazement to me, as I witness the evolution of the book and of the knowledge that dictates its scope. From the days when a textbook was written by 1 or 2 authors, we have progressed to the point where this would be impossible. Three editors preside over this volume; they are also counted among the 212 contributors that lend special expertise to the work, continuing the volume as one of the traditions of pediatrics.The tremendous and rapid explosion in the amount of knowledge in pediatrics made a revision of the total material and even of.

  18. Analysis of AKT and ERK1/2 protein kinases in extracellular vesicles isolated from blood of patients with cancer

    PubMed Central

    van der Mijn, Johannes C.; Sol, Nik; Mellema, Wouter; Jimenez, Connie R.; Piersma, Sander R.; Dekker, Henk; Schutte, Lisette M.; Smit, Egbert F.; Broxterman, Henk J.; Skog, Johan; Tannous, Bakhos A.; Wurdinger, Thomas; Verheul, Henk M. W.

    2014-01-01

    Background Extracellular vesicles (EVs) are small nanometre-sized vesicles that are circulating in blood. They are released by multiple cells, including tumour cells. We hypothesized that circulating EVs contain protein kinases that may be assessed as biomarkers during treatment with tyrosine kinase inhibitors. Methods EVs released by U87 glioma cells, H3255 and H1650 non-small-cell lung cancer (NSCLC) cells were profiled by tandem mass spectrometry. Total AKT/protein kinase B and extracellular signal regulated kinase 1/2 (ERK1/2) levels as well as their relative phosphorylation were measured by western blot in isogenic U87 cells with or without mutant epidermal growth factor receptor (EGFRvIII) and their corresponding EVs. To assess biomarker potential, plasma samples from 24 healthy volunteers and 42 patients with cancer were used. Results In total, 130 different protein kinases were found to be released in EVs including multiple drug targets, such as mammalian target of rapamycin (mTOR), AKT, ERK1/2, AXL and EGFR. Overexpression of EGFRvIII in U87 cells results in increased phosphorylation of EGFR, AKT and ERK1/2 in cells and EVs, whereas a decreased phosphorylation was noted upon treatment with the EGFR inhibitor erlotinib. EV samples derived from patients with cancer contained significantly more protein (p=0.0067) compared to healthy donors. Phosphorylation of AKT and ERK1/2 in plasma EVs from both healthy donors and patients with cancer was relatively low compared to levels in cancer cells. Preliminary analysis of total AKT and ERK1/2 levels in plasma EVs from patients with NSCLC before and after sorafenib/metformin treatment (n=12) shows a significant decrease in AKT levels among patients with a favourable treatment response (p<0.005). Conclusion Phosphorylation of protein kinases in EVs reflects their phosphorylation in tumour cells. Total AKT protein levels may allow monitoring of kinase inhibitor responses in patients with cancer. PMID:25491250

  19. Langley Stability and Transition Analysis Code (LASTRAC) Version 1.2 User Manual

    NASA Technical Reports Server (NTRS)

    Chang, Chau-Lyan

    2004-01-01

    LASTRAC is a general-purposed, physics-based transition prediction code released by NASA for Laminar Flow Control studies and transition research. The design and development of the LASTRAC code is aimed at providing an engineering tool that is easy to use and yet capable of dealing with a broad range of transition related issues. It was written from scratch based on the state-of-the-art numerical methods for stability analysis and modern software technologies. At low fidelity, it allows users to perform linear stability analysis and N-factor transition correlation for a broad range of flow regimes and configurations by using either the linear stability theory or linear parabolized stability equations method. At high fidelity, users may use nonlinear PSE to track finite-amplitude disturbances until the skin friction rise. This document describes the governing equations, numerical methods, code development, detailed description of input/output parameters, and case studies for the current release of LASTRAC.

  20. Global mode analysis of a pipe flow through a 1:2 axisymmetric sudden expansion

    NASA Astrophysics Data System (ADS)

    Sanmiguel-Rojas, E.; del Pino, C.; Gutiérrez-Montes, C.

    2010-07-01

    We report the results of the global mode analysis to characterize the onset of unsteadiness in a circular pipe flow through an axisymmetric sudden expansion of inlet-to-outlet diameter ratio of d /D=0.5. We find that the axisymmetric state becomes linearly unstable at a significantly higher critical Reynolds number than the one reported in previous experimental works. This unstable global mode corresponds to an oscillatory bifurcation with wavenumber |m|=1 located at the end of the recirculation region.

  1. Conformation Analysis of Peptides Derived from Laminin Alpha 1-2 Chain Using Molecular Dynamics Simulation

    NASA Astrophysics Data System (ADS)

    Yamada, Hironao; Fukuda, Masaki; Miyakawa, Takeshi; Morikawa, Ryota; Takasu, Masako

    Laminin is one of the components of the basement membrane and has diverse biological activities. Several functional peptides (EF1-EF5) are identified from LG4 modules of laminin alpha 1-5 chains. Thus, we perform conformation analysis of EF1 and EF2 using molecular dynamics simulations. In this study, we perform structure sampling with NPT ensemble (300 K, 1 bar). Our results show that EF1 peptide has β-sheet structure in water, and EF2 peptide does not have. Likewise, the EF2 peptide has unstable structure compared with the EF1 peptide in water.

  2. Microstructural analysis of biodegradable Mg-0.9Ca-1.2Zr alloy

    NASA Astrophysics Data System (ADS)

    Istrate, B.; Munteanu, C.; Geanta, V.; Baltatu, S.; Focsaneanu, S.; Earar, K.

    2016-08-01

    Magnesium alloys have applications in aerospace and medical applications as biodegradable orthopedic implants. Alloying with biocompatible elements, such as calcium or zirconium contribute to refining the the microstructure and improves corrosion resistance with the formation of an eutectic compound - Mg2Ca at boundary alpha-Mg grains. The purpose of this paper is to present the microstructure throw optical and scanning electron methods and phase and constituents identification with X-ray analysis. The results showed the presence of alpha-Mg grains with formation of a mechanical compound - Mg2Ca and appearance of alpha- Zr phase relatively uniformly distributed in nests.

  3. Annex D-200 Area Interim Storage Area Final Safety Analysis Report [FSAR] [Section 1 & 2

    SciTech Connect

    CARRELL, R D

    2002-07-16

    The 200 Area Interim Storage Area (200 Area ISA) at the Hanford Site provides for the interim storage of non-defense reactor spent nuclear fuel (SNF) housed in aboveground dry cask storage systems. The 200 Area ISA is a relatively simple facility consisting of a boundary fence with gates, perimeter lighting, and concrete and gravel pads on which to place the dry storage casks. The fence supports safeguards and security and establishes a radiation protection buffer zone. The 200 Area ISA is nominally 200,000 ft{sup 2} and is located west of the Canister Storage Building (CSB). Interim storage at the 200 Area ISA is intended for a period of up to 40 years until the materials are shipped off-site to a disposal facility. This Final Safety Analysis Report (FSAR) does not address removal from storage or shipment from the 200 Area ISA. Three different SNF types contained in three different dry cask storage systems are to be stored at the 200 Area ISA, as follows: (1) Fast Flux Test Facility Fuel--Fifty-three interim storage casks (ISC), each holding a core component container (CCC), will be used to store the Fast Flux Test Facility (FFTF) SNF currently in the 400 Area. (2) Neutron Radiography Facility (NRF) TRIGA'--One Rad-Vault' container will store two DOT-6M3 containers and six NRF TRIGA casks currently stored in the 400 Area. (3) Commercial Light Water Reactor Fuel--Six International Standards Organization (ISO) containers, each holding a NAC-I cask4 with an inner commercial light water reactor (LWR) canister, will be used for commercial LWR SNF from the 300 Area. An aboveground dry cask storage location is necessary for the spent fuel because the current storage facilities are being shut down and deactivated. The spent fuel is being transferred to interim storage because there is no permanent repository storage currently available.

  4. Altair Lander Life Support: Design Analysis Cycles 1, 2, and 3

    NASA Technical Reports Server (NTRS)

    Anderson, Molly; Rotter, Hank; Stambaugh, Imelda; Curley, Su

    2009-01-01

    NASA is working to develop a new lunar lander to support lunar exploration. The development process that the Altair project is using for this vehicle is unlike most others. In Lander Design Analysis Cycle 1 (LDAC-1), a single-string, minimum functionality design concept was developed, including life support systems for different vehicle configuration concepts, first for a combination of an ascent vehicle and a habitat with integral airlocks, and then for a combined ascent vehicle-habitat with a detachable airlock. In LDAC-2, the Altair team took the ascent vehicle-habitat with detachable airlock and analyzed the design for the components that were the largest contributors to the risk of loss of crew (LOC). For life support, the largest drivers were related to oxygen supply and carbon dioxide control. Integrated abort options were developed at the vehicle level. Many life support failures were not considered to result in LOC because they had a long enough time to effect that abort was considered a feasible option to safely end the mission before the situation became life threatening. These failures were then classified as loss of mission (LOM) failures. Many options to reduce LOC risk were considered, and mass efficient solutions to the LOC problems were added to the vehicle design at the end of LDAC-2. In LDAC-3, the new design was analyzed for large contributors to the risk of LOM. To avoid ending the mission early or being unable to accomplish goals like performing all planned extravehicular activities (EVAs), various options were assessed for their combination of risk reduction and mass cost. This paper outlines the major assumptions, design features, and decisions related to the development of the life support system for the Altair project through LDAC-3.

  5. Part I. Synthesis and characterization of C2 substituted imidazolium room temperature ionic liquids. Part II. Survey and analysis of organic chemistry textbooks

    NASA Astrophysics Data System (ADS)

    Ennis, Elliot G.

    -ended portion of the survey data, an analysis of organic chemistry textbooks was created. Books were analyzed for number and types of problems, number of example problems, and number of problems containing answers in the back of the book. The analysis of the thirteen books revealed there was a statistically significant difference between the books in number and types of problems. This work will reveal the findings of the analysis.

  6. Conformational analysis, UV-VIS, MESP, NLO and NMR studies of 6-methoxy-1,2,3,4-tetrahydronaphthalene.

    PubMed

    Arivazhagan, M; Kavitha, R; Subhasini, V P

    2014-07-15

    The detailed HF and B3LYP/6-311++G(d,p) comparative studies on the complete FT-IR and FT-Raman spectra of 6-methoxy-1,2,3,4-tetrahydronaphthalene [MTHN] have been studied. In view of the special properties and uses, the present investigation has been undertaken to provide a satisfactorily vibrational analysis of 6-methoxy-1,2,3,4-tetrahydronaphthalene. Therefore, a thorough Raman, IR, molecular electrostatic potential (MESP), non-linear optical (NLO) properties, UV-VIS, HOMO-LUMO and NMR spectroscopic investigation are reported complemented by B3LYP theoretical predictions with basis set 6-311++G(d,p) to provide novel insight on vibrational assignments and conformational stability of MTHN. Potential energy surface scans (PES) of the CH3 group are undertaken to shed light on the rather complicated conformational interchanges in the compound under investigation.

  7. Mutational analysis of BRCA1/2 in a group of 134 consecutive ovarian cancer patients. Novel and recurrent BRCA1/2 alterations detected by next generation sequencing.

    PubMed

    Ratajska, Magdalena; Krygier, Magdalena; Stukan, Maciej; Kuźniacka, Alina; Koczkowska, Magdalena; Dudziak, Mirosław; Śniadecki, Marcin; Dębniak, Jarosław; Wydra, Dariusz; Brozek, Izabela; Biernat, Wojciech; Borg, Ake; Limon, Janusz; Wasąg, Bartosz

    2015-05-01

    The importance of proper mutational analysis of BRCA1/2 in individuals at risk for hereditary breast and ovarian cancer syndrome is widely accepted. Standard genetic screening includes targeted analysis of recurrent, population-specific mutations. The purpose of the study was to establish the frequency of germline BRCA1/2 mutations in a group of 134 unrelated patients with primary ovarian cancer. Next generation sequencing analysis revealed a presence of 20 (14.9%) mutations, where 65% (n = 13) were recurrent BRCA1 alterations included in the standard diagnostic panel in northern Poland. However, the remaining seven BRCA1/2 mutations (35%) would be missed by the standard approach and were detected in unique patients. A substantial proportion (n = 5/12; 41%) of mutation-positive individuals with complete family history reported no incidence of breast or ovarian cancer in their relatives. This observation, together with the raising perspectives for personalized therapy targeting BRCA1/2 signaling pathways indicates the necessity of comprehensive genetic screening in all ovarian cancer patients. However, due to the limited sensitivity of the standard genetic screening presented in this study (65%) an application of next generation sequencing in molecular diagnostics of BRCA1/2 genes should be considered.

  8. Electronic versus Traditional Textbooks: A Comparison of College Textbook Formats

    ERIC Educational Resources Information Center

    Siebenbruner, J.

    2011-01-01

    The author's quasi-experimental study compares undergraduate students' academic performance and experiences as a function of using electronic (n = 117) versus traditional (n = 116) textbooks in a developmental psychology course. Student exam scores did not differ significantly as a function of textbook format. Students who used the traditional…

  9. History of Science in Science Education: Development and Validation of a Checklist for Analysing the Historical Content of Science Textbooks.

    ERIC Educational Resources Information Center

    Leite, Laurinda

    2002-01-01

    Presents a theoretically grounded checklist developed for analyzing the historical content of science textbooks. Results of the analysis indicate that the checklist is able to reveal differences among textbooks. (Contains 65 references.) (DDR)

  10. Provocative Opinion: Elephantiasis of the Textbook.

    ERIC Educational Resources Information Center

    Kerber, Robert C.

    1988-01-01

    Addresses the growing size of college organic chemistry textbooks. Notes that at the current rate of growth, average textbooks will be 1544 pages long in year 2000. Suggests methods to reduce textbook size. (ML)

  11. Color stabilizes textbook visual processing

    NASA Astrophysics Data System (ADS)

    Paeglis, Roberts; Orlovska, Madara; Bluss, Kristaps

    2011-05-01

    We report that pages with color illustrations elicit more homogeneous duration of fixations in 12 elementary school children. For six first graders, we compared the reading of the color cover and a greyscale illustrated text page of an abcbook. For six second grade pupils, we demonstrated a color and a greyscale fairytale book page. The fixations we recorded are concordant with the duration for preschoolers reported elsewhere. Average duration of fixations on a page with color elements are shorter than on greyscale ones, 425 (SE=13.4) and 461 (18.3) ms, respectively. The correlation analysis lends support that a color page is processed differently than its greyscale version. Fixation duration for color and greyscale condition was correlated neither for text (r=.567, p=.241) nor for images (r=.517, p=.294) for the second graders. Our research suggests that color elements on textbook pages encourage emergent readers to perform better in acquisition.

  12. Trends in Environmental Education Images of Textbooks from Western and Eastern European Countries and Non-European Countries

    ERIC Educational Resources Information Center

    Carvalho, Graca S.; Tracana, Rosa Branca; Skujiene, Grita; Turcinaviciene, Jurga

    2011-01-01

    Textbook analysis is seen as a major element for studying environmental education addressing pupils, image analysis being rather relevant when studying textbooks written in 11 languages. We analysed 25 textbooks from 14 countries addressed to 14-16-year-old pupils, focusing on: (1) local and foreign/global images; (2) urban/rural and nature…

  13. Playing the game: Psychology textbooks speak out about love.

    PubMed

    Vicedo, Marga

    2012-03-01

    Starting in 1958, Harry Harlow published numerous research papers analyzing the emotional and social development of rhesus monkeys. This essay examines the presentation of Harlow's work in introductory psychology textbooks from 1958 to 1975, focusing on whether the textbooks erased the process of research, presented results without hedging, and provided a uniform account of Harlow's work and results. It argues that many textbooks were not passive vehicles of knowledge transmission; instead, they played a role similar to articles of meta-analysis and literature reviews.

  14. College Student Use of Textbooks

    ERIC Educational Resources Information Center

    Aagaard, Lola; Skidmore, Ronald L.

    2009-01-01

    It has been reported (Aagaard & Skidmore, 2004; Sikorski et al., 2002) that only a minority of college students actually read the course textbook in preparation for examinations. Although professors widely lament students' propensity to ignore the carefully chosen textbooks, research specifically investigating why this phenomenon occurs…

  15. How Texas Rewrote Your Textbooks.

    ERIC Educational Resources Information Center

    Moyer, Wayne A.

    1985-01-01

    Reviews issues and events related to adopting high school biology textbooks in Texas. Specific reference is given to the viewpoints of Mel and Norma Gabler. It is argued that factors controlling textbook content should not result from past market forces, but from a permanent science constituency and an informed public. (DH)

  16. How to Read Technical Textbooks.

    ERIC Educational Resources Information Center

    Association of American Publishers, New York, NY.

    Intended for college bound students, this booklet explores textbook components to help students in their approach to studying technical information. After defining technical material and describing how to recognize it, the booklet discusses (1) symbols, (2) equations, (3) formulas, (4) theorems, (5) placement of symbols in textbooks, (6) tables,…

  17. Genocide in World History Textbooks.

    ERIC Educational Resources Information Center

    Fleming, Dan

    1987-01-01

    Analyzes the treatment of genocide in secondary world history textbooks. Acknowledges that textbook space is limited, but argues that all should contain some reference to the subject. Concludes that the Armenian genocide, as well as the genocidal acts of Hitler, Stalin, and Mao Tse-tung should be presented in all survey texts. (GEA)

  18. Vitamin E: Textbooks Require Updating

    ERIC Educational Resources Information Center

    Azzi, Angelo; Zingg, Jean-Marc

    2005-01-01

    Vitamin E was discovered in 1922, but in more than 60 years many new findings have added to the early one. However, its description in many textbooks has not been proportionally updated. The result is an inaccurate, incomplete, and often incorrect description of the function of this vitamin. In some other textbooks, vitamin E is absolutely…

  19. South Korean Digital Textbook Project

    ERIC Educational Resources Information Center

    Kim, Jackie Hee-Young; Jung, Hye-Yoon

    2010-01-01

    South Korea has adopted the widespread use of digital textbooks. Part school reform and part an effort to prepare today's children for tomorrow's challenging world, the way in which this effort was implemented and the lessons learned are valuable. This article highlights the history of the digital textbook project and compares printed textbooks…

  20. Family Textbooks Twelve Years Later

    ERIC Educational Resources Information Center

    Glenn, Norval D.

    2009-01-01

    In 1996 the author conducted an intensive study of twenty current family textbooks published in the United States, the results of which appeared in an academic journal article and a nonacademic report in 1997. The study included practical "functionalist" marriage and family textbooks and more academic sociology of the family books; these works…

  1. Africa in Social Studies Textbooks.

    ERIC Educational Resources Information Center

    Zekiros, Astair; Wiley, Marylee

    Based on an examination of 50 general social studies textbooks, the report discusses the most frequently found biases, misconceptions, omissions, inaccuracies, and misrepresentations. Criteria for judging the textbooks include: readable and suitable materials; accurate and current content; presentation of Africa as a diverse continent; open…

  2. Can Tech Transcend the Textbook?

    ERIC Educational Resources Information Center

    Waters, John K.

    2011-01-01

    After traveling a long, tortuous road, the much-anticipated e-book revolution has finally arrived. So where is the revolution in the "e-textbook" market? According to the National Association of College Stores (NACS), digital books currently account for less than 3 percent of textbook sales. NACS expects that percentage to reach 10 to 15 percent…

  3. KIR and HLA haplotype analysis in a family lacking the KIR 2DL1-2DP1 genes

    PubMed Central

    Vojvodić, S; Ademović-Sazdanić, D

    2015-01-01

    The killer cell immunoglobulin-like receptor (KIR) gene cluster exhibits extensive allelic and haplotypic diversity that is observed as presence/absence of genes, resulting in expansion and contraction of KIR haplotypes and by allelic variation of individual KIR genes. We report a case of KIR pseudogene 2DP1 and 2DL1 gene absence in members of one family with the children suffering from acute myelogenous leukemia (AML). Killer cell immunoglobulin-like receptor low resolution genotyping was performed by the polymerase chain reaction (PCR)-sequence-specific primers (SSP)/sequence-specific oligonucleotide (SSO) method and haplotype assignment was done by gene content analysis. Both parents and the maternal grandfather, shared the same Cen-B2 KIR haplotype, containing KIR 3DL3, -2DS2, -2DL2 and -3DP1 genes. The second haplotype in the KIR genotype of the mother and grandfather was Tel-A1 with KIR 2DL4 (normal and deleted variant), -3DL1, -22 bp deletion variant of the 2DS4 gene and -3DL2, while the second haplotype in the KIR genotype of the father was Tel-B1 with 2DL4 (normal variant), -3DS1, -2DL5, -2DS5, -2DS1 and 3DL2 genes. Haplotype analysis in all three offsprings revealed that the children inherited the Cen-B2 haplotype with the same gene content but two of the children inherited a deleted variant of the 2DL4 gene, while the third child inherited a normal one. The second haplotype of all three offspring contained KIR 2DL4, -2DL5, -2DS1, -2DS4 (del 22bp variant), -2DS5, -3DL1 and -3DL2 genes, which was the basis of the assumption that there is a hybrid haplotype and that the present 3DL1 gene is a variant of the 3DS1 gene. Due to consanguinity among the ancestors, the results of KIR segregation analysis showed the existence of a very rare KIR genotype in the offspring. The family who is the subject of this case is even more interesting because the father was 10/10 human leukocyte antigen (HLA)-matched to his daughter, all members of the family have the

  4. Conveying the vision of science: Meta-lessons on inquiry found in a content analysis of two high school biology textbooks

    NASA Astrophysics Data System (ADS)

    Chandler, Patricia Mcmillan

    This descriptive study examined two high school biology textbooks for differences in opportunities for student inquiry as reported by Romey's Index of Student Involvement. The National Research Council's National Science Education Standards emphasizes the importance of students becoming "independent inquirers about the natural world." The systematic examination of student textbooks is an significant aspect in monitoring the state of science education in contemporary classrooms. Over 81% of text sampled in PRENTICE HALL Biology was categorized as fact, definition, or author's conclusion while 7% qualified as engaging students in inquiry. Biology: A Community Context had a more balanced distribution with 42% of sentences being categorized as fact, definition, or author's conclusion and 28% qualifying as engaging students in inquiry. Chi-square (chi2) statistics for the categories of non-inquiry/inquiry were significant, indicating that the two textbooks differ significantly as to their emphases on opportunities for inquiry. The investigation also compared two different sample sizes: the literature-recommended sample of 5% of text and a smaller 250-sentence sample. The frequency distribution across the 10 categories of non-inquiry/inquiry was very similar for the two sample sizes. PRENTICE HALL Biology fell below the recommended Index of Student Involvement range in both sampling techniques, while Biology: A Community Context fell in the recommended range for the Index of Student Involvement in both sampling techniques. This seems to indicate that the smaller sample size could be used appropriately to compare potential student textbooks by textbook adoption committees and curriculum planners. Biology textbooks that are judged to have relatively high amounts of inquiry are recommended for those who want to implement the national standards.

  5. Students' Intentions to Purchase Electronic Textbooks

    ERIC Educational Resources Information Center

    Stone, Robert W.; Baker-Eveleth, Lori J.

    2013-01-01

    Textbooks have played an important role in education for decades. Given the significant number of technology applications in education, it is not surprising that at least one such application is the electronic textbook (e-textbook). There are a variety of motivations to adopt an e-textbook, including frequent content updates and low costs. The…

  6. Textbooks: Sacred Cow or Sacred Trust?

    ERIC Educational Resources Information Center

    Thompson, Patricia J.

    These are the reflections of a textbook author in the course of revising a secondary school textbook. While the average life of a textbook is five years, many stay in schools for much longer. A textbook author or editor must therefore attempt to produce a book that will be relevant and meaningful for children years in the future. This involves the…

  7. The Role and Characteristics of Tactile Graphics in Secondary Mathematics and Science Textbooks in Braille

    ERIC Educational Resources Information Center

    Smith, Derrick W.; Smothers, Sinikka M.

    2012-01-01

    Introduction: The purpose of the study presented here was to determine how well tactile graphics (specifically data analysis graphs) in secondary mathematics and science braille textbooks correlated with the print graphics. Method: A content analysis was conducted on 598 separate data analysis graphics from 10 mathematics and science textbooks.…

  8. Survey of Labor Economics Textbooks.

    ERIC Educational Resources Information Center

    Maxwell, Nan L.

    1985-01-01

    Labor economics textbooks for use with college students were surveyed. Information concerning intended audience, content, and teaching aids is provided for each text. Criteria used in evaluating the texts is provided. (RM)

  9. Textbook Selection: Clearing the Fog.

    ERIC Educational Resources Information Center

    Hollabaugh, Mark

    1989-01-01

    Provides step-by-step procedures for developing an index which uses the Gunning Fog technique to evaluate the level of reading difficulty of textbooks. Cites examples, illustrations, and several warnings in the discussion. (RT)

  10. The Soldier and the Seductress: A Post-Structuralist Analysis of Gendered Citizenship through Inclusion in and Exclusion from Language and Social Studies Textbooks in Pakistan

    ERIC Educational Resources Information Center

    Naseem, M. Ayaz

    2006-01-01

    An important dimension of inclusive education is the discursive inclusion and exclusion in and by texts (curricula and textbooks). Such inclusion and exclusion seriously affects inclusive education especially with respect to the representation of gendered, ethnic, class based, racial and other minorities. In this paper I focus on gendered…

  11. Towards a Cultural Understanding of the Disability and Deaf Experience: Implications of a Content Analysis of Introductory Special and Multicultural Education Textbooks

    ERIC Educational Resources Information Center

    Johnson, John R.; Nieto, Jesus

    2007-01-01

    This paper summarizes and discusses the findings of two content analyses of introductory textbooks to special education and multicultural education conducted to determine the extent to which disability and Deaf culture are represented and discussed. Findings of both studies indicated minimal discussion of Disability and Deaf culture, a heavy…

  12. What Boys and Girls Learn through Song: A Content Analysis of Gender Traits and Sex Bias in Two Choral Classroom Textbooks

    ERIC Educational Resources Information Center

    Hawkins, Patrick J.

    2007-01-01

    In an effort to further the understanding of gender traits or sexual bias that high school-aged choral music students might be exposed to in their curricular materials, two choral textbooks Choral Connections Beginning Level 1 Treble Voices and Choral Connections Beginning Level 1 Tenor-Bass Voices published by Glencoe MacGraw-Hill in 1999 were…

  13. Analysis of the Representation of Cretaceous Period in Textbooks Used in Schools in the Western Region of the City of Ituiutaba, Minas Gerais, Brazil

    ERIC Educational Resources Information Center

    Alves, Emerson J. F.; Moura, Gerusa G.; dos A. Candeiro, Carlos R.

    2013-01-01

    This article aims to analyze the geography textbooks, which are being used in the public schools of the city of Ituiutaba, Depth of Minas Gerais, Brazil. The research also seeks to address the ways and methods being employed by the teachers of these schools for studies that include the teaching of Geology and Geosciences. In this study, survey…

  14. The Analysis of the Changes in Integration of Nature of Science into Turkish High School Chemistry Textbooks: Is There Any Development?

    ERIC Educational Resources Information Center

    Aydin, Sevgi; Tortumlu, Selma

    2015-01-01

    To attain the goal of scientific literacy, the nature of science (NOS) is one of the areas that should be addressed. In many countries, the training of scientifically literate generations is a fundamental aim of science education, as a result there is an emphasis on NOS in science curricula and curricular materials. Textbooks prepared to teach…

  15. An Analysis of Activities in Saudi Arabian Middle School Science Textbooks and Workbooks for the Inclusion of Essential Features of Inquiry

    NASA Astrophysics Data System (ADS)

    Aldahmash, Abdulwali H.; Mansour, Nasser S.; Alshamrani, Saeed M.; Almohi, Saeed

    2016-01-01

    This study examines Saudi Arabian middle school science textbooks' coverage of the essential features of scientific inquiry. All activities in the middle school science textbooks and workbooks were analyzed by using the scientific inquiry `essential features' rubric. The results indicated that the essential features are included in about 59 % of the analyzed science activities. However, feature 2, `making learner give priority to evidence in responding to questions' and feature 3, `allowing learner to formulate explanations from evidence' appeared more frequently than the other three features (feature 1: engaging learner in scientifically oriented questions, feature 4: helping learner connect explanations to scientific knowledge, and feature 5: helping learner communicate and justify explanations to others), whether in the activities as a whole, or in the activities included in each of the four science domains (physical science, Earth science, life science and chemistry). These features are represented in almost all activities. This means that almost all activities in the middle school science textbooks and the workbooks include features 2 and 3. Meanwhile, the mean level of inclusion of the five essential features of scientific inquiry found in the middle school science textbooks and workbooks as a whole is 2.55. However, results found for features 1, 4, 5 and for in-level inclusion of the inquiry features in each of the science domains indicate that the inclusion of the essential inquiry features is teacher-centred. As a result, neither science textbooks nor workbooks provide students with the opportunity or encouragement to develop their inquiry skills. Consequently, the results suggest important directions for educational administrators and policy-makers in the preparation and use of science educational content.

  16. Optimisation for subcritical fluid extraction of 17-methyltestosterone with 1,1,1,2-tetrafluoroethane for HPLC analysis.

    PubMed

    Han, Yuqian; Ma, Qinchuan; Lu, Jie; Xue, Yong; Xue, Changhu

    2012-12-15

    A simple, rapid and sensitive method was developed for determination of 17α-methyltestosterone in aquatic products by extraction with subcritical 1,1,1,2-tetrafluoroethane (R134a) extraction and high performance liquid chromatography (HPLC). Response surface methodology (RSM) was adopted to optimise extraction pressure, temperature and co-solvent volume. The optimum extraction conditions predicted within the experimental ranges were as follows: pressure 5 MPa, temperature 31°C, and co-solvent volume 3.35ml. The analysis was carried out on XDB-C(18) column (4.6 mm × 250 mm, 5 μm) with the mobile phase acetonitrile-water (55:45, v/v), flow rate 0.8 ml/min, temperature 30°C and wavelength 245 nm. Good linearity of detection was obtained for 17α-methyltestosterone between concentrations of 50-250 ng/ml, r(2)=0.999. The method was validated using samples fortified with 17α-methyltestosterone at levels of 10, 30 and 50 ng/g, the mean recovery exceeds 90%, and the RSD values were less than 10%.

  17. Are Modal Auxiliaries in Malaysian English Language Textbooks in Line with Their Usage in Real Language?

    ERIC Educational Resources Information Center

    Khojasteh, Laleh; Kafipour, Reza

    2012-01-01

    Based on the discrepancies found in many Malaysian English language textbooks, a detailed analysis on the way modal auxiliary verb forms and their semantic functions were introduced and presented in texts and exercises in five Malaysian textbooks was done. For that to be achieved, a qualitative page-by-page content analysis was applied. From the…

  18. The Intercultural Component in Textbooks for Teaching a Service Technical Writing Course

    ERIC Educational Resources Information Center

    Matveeva, Natalia

    2007-01-01

    This research article investigates new developments in the representation of the intercultural component in textbooks for a service technical writing course. Through textual analysis, using quantitative and qualitative techniques, I report discourse analysis of 15 technical writing textbooks published during 1993-2006. The theoretical and…

  19. The Representation of People of Color in Undergraduate General Chemistry Textbooks

    NASA Astrophysics Data System (ADS)

    King, Denise; Domin, Daniel S.

    2007-02-01

    A content analysis of eleven college-level general chemistry textbooks was performed to ascertain the extent to which people of color are represented within the textbook photographs. The results of this study show that all of the textbooks' photographs within this investigation include people of color at a level well below their representation in American society. In addition, photographs containing images of people of color usually depict them in a context that has no relevance to chemistry or in a manner that propagates stereotypes. It is the conclusion of these authors that contemporary undergraduate general chemistry textbooks are laden with instructional bias with respect to people of color.

  20. Queering high school biology textbooks

    NASA Astrophysics Data System (ADS)

    Snyder, Vicky L.; Broadway, Francis S.

    2004-08-01

    As teachers committed to educating all students, we need to learn more about how instructional materials shape representations of sexuality and gender. Through its insistent deconstruction of the norms that structure practice and belief, queer theory offers perspectives from which science educators can question assumptions embedded in textbooks. This article applies queer theory to analyze eight biology textbooks used in the United States. Specifically, we ask how biology textbooks address sexuality outside the heterosexual norm and if they propagate heteronormative attitudes. The textbooks examined offer deafening silences, antiseptic factoids, socially sanitized concepts, and politically correct binary-gendered illustrations. In these textbooks, the term homosexuality was used only in the context of AIDS where, along with iv drug users, they were identified as an affected group. The pervasive acceptance of heteronormative behavior privileges students that fit the heterosexual norm, and oppresses through omission and silence those who do not. We offer implications for practice to help science educators broaden their perspectives on the constructs of sexuality and gender to construct new ways of knowing and understanding differences in science classrooms and the natural world.

  1. Crystallization and Preliminary X-ray Diffraction Analysis of Recombinant Chlorocatechol 1 2-dioxygenase from Pseudomonas Putida

    SciTech Connect

    J Rustiguel; M Pinheiro; A Araujo; M Nonato

    2011-12-31

    Chlorocatechol 1,2-dioxygenase from the Gram-negative bacterium Pseudomonas putida (Pp 1,2-CCD) is considered to be an important biotechnological tool owing to its ability to process a broad spectrum of organic pollutants. In the current work, the crystallization, crystallographic characterization and phasing of the recombinant Pp 1,2-CCD enzyme are described. Reddish-brown crystals were obtained in the presence of polyethylene glycol and magnesium acetate by utilizing the vapor-diffusion technique in sitting drops. Crystal dehydration was the key step in obtaining data sets, which were collected on the D03B-MX2 beamline at the CNPEM/MCT - LNLS using a MAR CCD detector. Pp 1,2-CCD crystals belonged to space group P6{sub 1}22 and the crystallographic structure of Pp 1,2-CCD has been solved by the MR-SAD technique using Fe atoms as scattering centres and the coordinates of 3-chlorocatechol 1,2-dioxygenase from Rhodococcus opacus (PDB entry 2boy) as the search model. The initial model, which contains three molecules in the asymmetric unit, has been refined to 3.4 {angstrom} resolution.

  2. Textbook Publishing: The Political and Economic Influences.

    ERIC Educational Resources Information Center

    Apple, Michael W.

    1989-01-01

    This article focuses on the political and economic realities surrounding textbook publishing. A discussion of the publishing industry includes an examination of industry decision makers and the influence of profit. State textbook adoption policies are also explored. (IAH)

  3. An Author's Philosophy of Physiology Textbook Writing.

    ERIC Educational Resources Information Center

    Guyton, Arthur C.

    1998-01-01

    Discusses the factors that have determined the author's approach to writing medical physiology textbooks. Reviews the author's career and the events surrounding the development of each textbook. Explains the motivation behind critical decisions made during the authoring process. (DDR)

  4. Textbook Errors & Misconceptions in Biology: Photosynthesis.

    ERIC Educational Resources Information Center

    Storey, Richard D.

    1989-01-01

    Glaring and basic textbook errors and misconceptions about photosynthesis are discussed. The Calvin Cycle, photosynthetic products, alternative cycles, and plants as producers are considered. Included are observations of both college and secondary textbooks. (CW)

  5. Women in Astronomy: Inclusion in Introductory Textbooks.

    ERIC Educational Resources Information Center

    Larsen, Kristine M.

    1995-01-01

    Discusses the reasons for identifying the contributions of women astronomers in introductory textbooks. The evolution of inclusion over the past 4 decades is explored by examining the rates of inclusion of 10 women astronomers in textbooks. Contains 100 references. (DDR)

  6. Flow cytometric analysis of micronucleus induction in rat bone marrow polychromatic erythrocytes by 1,2;3,4-diepoxybutane, 3,4-epoxy-1-butene, and 1,2-epoxybutane-3,4-diol.

    PubMed

    Lähdetie, J; Grawé, J

    1997-07-01

    Automation of the analysis of micronucleus induction with flow cytometry was developed by using mouse bone marrow or peripheral blood. In the present study, we report the use of flow cytometry for the identification and quantification of micronuclei (MN) induced in rat bone marrow polychromatic erythrocytes. Three metabolites of the industrial chemical 1,3-butadiene, namely 1,2;3,4-diepoxybutane (DEB), 3,4-epoxy-1-butene (EB) and 1,2-epoxybutane-3,4-diol (diol-EB), were studied in addition to mitomycin C and cyclophosphamide, which served as positive controls. DEB showed a dose-dependent increase in the frequency of MN, whereas EB was completely negative and diol-EB only weakly positive at one dose level. The effect of the positive control compounds was observed 48 h after a single injection in a dose-dependent manner. Flow cytometry was an effective method to quantitate bone marrow MN induction in the rat when density gradient separation of polychromatic erythrocytes is used. The results are compatible with the theory that oxidation of EB to the mutagenic metabolite DEB occurs at a low rate in rat bone marrow and that EB is detoxified by epoxide hydrolase and by conjugation with glutathione by glutathione transferase yielding nonmutagenic metabolites. Thus, the reported lack of MN induction by 1,3-butadiene inhalation in rat bone marrow is explained.

  7. E-Books or Textbooks: Students Prefer Textbooks

    ERIC Educational Resources Information Center

    Woody, William Douglas; Daniel, David B.; Baker, Crystal A.

    2010-01-01

    Previous research has demonstrated that the experience of reading e-books is not equivalent to reading textbooks. This study examines factors influencing preference for e-books as well as reported use of e-book content. Although the present student cohort is the most technologically savvy to ever enter universities, students do not prefer e-books…

  8. A Textbook Argument: Definitions of Argument in Leading Composition Textbooks

    ERIC Educational Resources Information Center

    Knoblauch, A. Abby

    2011-01-01

    This essay examines the definitions and practices of argument perpetuated by popular composition textbooks, illustrating how even those texts that appear to forward expansive notions of argument ultimately limit it to an intent to persuade. In doing so, they help perpetuate constricted practices of argument within undergraduate composition…

  9. Misconception and miseducation: Presentations of radical behaviorism in psychology textbooks

    PubMed Central

    Todd, James T.; Morris, Edward K.

    1983-01-01

    Behavior analysts have recently expressed concern about what appear to be misrepresentations of behaviorism in psychology textbooks. This paper presents an analysis of currently used textbooks in the areas of introductory, social, cognitive, personality, and developmental psychology that confirms this. Topics on which behavior analysis is most often misrepresented relate to the role of animal learning research, environmentalism, the “empty organism,” language, and the overall utility of the approach. Because textbooks are often a major medium of interaction between the public and behaviorism, behavior analysts must work to correct these errors and to prevent possible negative consequences of widespread misunderstanding. Several potential solutions to these problems are presented that take into account current publishing practices and the monetary contingencies which support them. PMID:22478585

  10. Misconception and miseducation: Presentations of radical behaviorism in psychology textbooks.

    PubMed

    Todd, J T; Morris, E K

    1983-01-01

    Behavior analysts have recently expressed concern about what appear to be misrepresentations of behaviorism in psychology textbooks. This paper presents an analysis of currently used textbooks in the areas of introductory, social, cognitive, personality, and developmental psychology that confirms this. Topics on which behavior analysis is most often misrepresented relate to the role of animal learning research, environmentalism, the "empty organism," language, and the overall utility of the approach. Because textbooks are often a major medium of interaction between the public and behaviorism, behavior analysts must work to correct these errors and to prevent possible negative consequences of widespread misunderstanding. Several potential solutions to these problems are presented that take into account current publishing practices and the monetary contingencies which support them. PMID:22478585

  11. Misconception and miseducation: Presentations of radical behaviorism in psychology textbooks.

    PubMed

    Todd, J T; Morris, E K

    1983-01-01

    Behavior analysts have recently expressed concern about what appear to be misrepresentations of behaviorism in psychology textbooks. This paper presents an analysis of currently used textbooks in the areas of introductory, social, cognitive, personality, and developmental psychology that confirms this. Topics on which behavior analysis is most often misrepresented relate to the role of animal learning research, environmentalism, the "empty organism," language, and the overall utility of the approach. Because textbooks are often a major medium of interaction between the public and behaviorism, behavior analysts must work to correct these errors and to prevent possible negative consequences of widespread misunderstanding. Several potential solutions to these problems are presented that take into account current publishing practices and the monetary contingencies which support them.

  12. The International Status of English for Intercultural Understanding in Taiwan's High School EFL Textbooks

    ERIC Educational Resources Information Center

    Su, Ya-Chen

    2016-01-01

    The purpose of this study is to evaluate linguistic and cultural issues around the status of English as a lingua franca and intercultural understanding as presented in one set of Taiwan's (English as a Foreign Language (EFL) high school textbooks. The methodology centres on the analysis of textbook content as categorized in three central themes:…

  13. Functions in Contemporary Secondary Mathematics Textbook Series in the United States

    ERIC Educational Resources Information Center

    Ross, Daniel J.

    2011-01-01

    Textbooks play a central role in US mathematics classrooms (Stein, Remillard, & Smith, 2007) and functions are a key topic in secondary mathematics (Carlson, Jacobs, Coe, Larsen, & Hsu, 2002). This study presents results from an analysis of this essential topic in the latest editions of three textbook series: the Glencoe Mathematics…

  14. Bias in College Textbooks: The Impact of Critical Events on Interpretation.

    ERIC Educational Resources Information Center

    Green, Barbara; Hurwitz, Leon

    1980-01-01

    Content analysis of American government textbooks published in the post-McCarthy and post-Watergate eras demonstrates that, although underlying interpretations of constitutional issues remained constant, the overall textbook presentations shifted. This finding highlights the danger of overemphasizing current events, distorting overall presentation…

  15. Excluding Ethical Issues from U.S. History Textbooks: 911 and the War on Terror

    ERIC Educational Resources Information Center

    Romanowski, Michael H.

    2009-01-01

    This research study examined nine secondary American history textbooks regarding their treatment of 9/11 and related events. The analysis centered on both the knowledge included and excluded from the discussion in each book. Particular attention was given to the moral and ethical issues relevant to 9/11. Findings show that textbooks vary in their…

  16. Fostering the Common Good: The Portrayal of the Social Economy in Secondary Business and Economics Textbooks

    ERIC Educational Resources Information Center

    Myers, John P.; Stocks, Jessica L.

    2010-01-01

    In this research study, we undertook a content analysis of thirteen economics and business textbooks, which were examined for their coverage of the social economy, which encompasses a range of nonprofit and social enterprise organizations that put "people before profits." The goal was to understand the ways that these textbooks represent official…

  17. Science Textbooks in the Context of Political Reform in South Africa: Implications for Access to Science

    ERIC Educational Resources Information Center

    Green, Whitfield; Naidoo, Devika

    2008-01-01

    The post-apartheid National Physical Science Curriculum was implemented for the first time in South Africa in grade 10 during 2006. A variety of new textbooks for grade 10 have been published. This study was a comparative analysis of three popular textbooks, one prepared to support the previous curriculum, and two prepared for the new curriculum.…

  18. Looking for Work: The Coverage of Work in Canadian Introductory Sociology Textbooks

    ERIC Educational Resources Information Center

    Dixon, Shane Michael; Quirke, Linda

    2014-01-01

    This paper examines the textual coverage of the topic of work in Canadian English--language introductory sociology textbooks. Our findings are based on a content analysis of 21 Canadian texts published between 2008 and 2012. We found that only 12 of 21 textbooks included a chapter on work, suggesting that work occupies a peripheral position in…

  19. Still Red and in War or Just Poor? European Transformation Societies in Geography Textbooks

    ERIC Educational Resources Information Center

    Bagoly-Simo, Peter

    2013-01-01

    Textbooks are an important tool for teaching and learning in high school geography classrooms. But what sort of picture do they provide of places that are different and distant from the countries in which they are published? This study explores this question through a concise analysis of a widely used American world geography textbook, with a…

  20. "Keeping Things Straight": The Representation of Sexualities in Life Orientation Textbooks

    ERIC Educational Resources Information Center

    Wilmot, Mark; Naidoo, Devika

    2014-01-01

    Heterosexism and heteronormativity are pervasive in the South African society, but to what degree are they present in Life Orientation (LO) textbooks? This question, explored through a content analysis of widely used Grade 10 LO textbooks, was framed by queer theory. The paper quantitatively examines the coverage of sexualities, and qualitatively…

  1. Examining the Differences of Linear Systems between Finnish and Taiwanese Textbooks

    ERIC Educational Resources Information Center

    Yang, Der-Ching; Lin, Yung-Chi

    2015-01-01

    The purpose of this study was to examine the differences between Finnish and Taiwanese textbooks for grades 7 to 9 on the topic of solving systems of linear equations (simultaneous equations). The specific textbooks examined were TK in Taiwan and FL in Finland. The content analysis method was used to examine (a) the teaching sequence, (b)…

  2. Supports for Vocabulary Instruction in Early Language and Literacy Methods Textbooks

    ERIC Educational Resources Information Center

    Wright, Tanya S.; Peltier, Marliese R.

    2016-01-01

    The goal of this study was to examine the extent to which the content and recommendations in recently published early language and literacy methods textbooks may support early childhood teachers in learning to provide vocabulary instruction for young children. We completed a content analysis of 9 textbooks with coding at the sentence level.…

  3. Is What We Have, What We Want?: A Critical Review of Selected Basic Course Textbooks.

    ERIC Educational Resources Information Center

    Berens, Eileen; Nance, Teresa A.

    A two-stage study was designed to offer a comprehensive analysis of current basic public speaking textbooks. The first stage involved a comprehensive classification, enumeration, and comparison of the substance of six textbooks identified by publishers as leading competitors on the public speaking market. Results from the first stage formed the…

  4. Aging in Community Nutrition, Diet Therapy, and Nutrition and Aging Textbooks

    ERIC Educational Resources Information Center

    O'Neill, Peggy Schafer; Wellman, Nancy S.; Himburg, Susan P.; Johnson, Paulette; Elfenbein, Pamela

    2005-01-01

    Using content analysis, this study evaluated the aging content and context in 11 nutrition sub-specialty textbooks: community nutrition (n = 3), diet therapy (n = 4), and nutrition and aging (n = 4). Pages with paragraphs on aging were identified in community nutrition and diet therapy textbooks, and 10% random samples of pages were evaluated in…

  5. Lexical Priming Effects of Textbooks on EFL Learners' Use of "Give"

    ERIC Educational Resources Information Center

    Xu, Qi

    2015-01-01

    The study aims to investigate to what extent Chinese EFL learners' language use is influenced by English textbooks. Such influence may suggest the existence of lexical priming effects. Based on detailed and systematic analysis of a learner English corpus, in comparison with a textbook corpus, the present study revealed striking similarities of the…

  6. Exploring the Multimodality of EFL Textbooks for Chinese College Students: A Comparative Study

    ERIC Educational Resources Information Center

    Liu, Xiqin; Qu, Dianning

    2014-01-01

    To explore the multimodality of two representative EFL textbook series for Chinese college students, their visual and verbal semiotic modes were compared. The target textbooks are "Experiencing English" and "New Century College English". Through multimodal discourse analysis, the study aims to shed some light on how to develop…

  7. Reading Methodology Textbooks: Are They Helping Teachers Teach Comprehension? Reading Education Report No. 59.

    ERIC Educational Resources Information Center

    Durkin, Dolores

    As part of an effort to discover what was being done with comprehension instruction in classrooms, basal reader manuals, and reading methodology textbooks, an analysis was made of the content of eight reading methods textbooks that had copyright dates at least as recent as 1983 and that were the most frequently used texts. All the pages in the…

  8. Evaluation of an ESP Medical Textbook: Instructors and Learners' Perceptions in Focus

    ERIC Educational Resources Information Center

    Salehi, Hadi; Khadivar, Zahra; Mehrabi, Mahmood

    2015-01-01

    Evaluation is basically a matching process, which concerns matching learners' needs to available solutions. Through analysis and assessment of ESP textbooks, a much more promising and desirable approach to a theory of ESP takes place. To this aim, the purpose of the present study was to evaluate the ESP medical textbook. To gather the necessary…

  9. The Holocaust as Reflected in Communist and Post-Communist Romanian Textbooks

    ERIC Educational Resources Information Center

    Barbulescu, Ana; Degeratu, Laura; Gusu, Cosmina

    2013-01-01

    Romanian history textbooks were mostly silent about the Holocaust during the Communist era. The authors reconstructed the different models of remembering the Holocaust that are present in post-Communist Romanian textbooks. The analysis revealed the existence of six different models of recollecting this history. The six models of representing the…

  10. Multiple-Choice Test Items: What Are Textbook Authors Telling Teachers?

    ERIC Educational Resources Information Center

    Ellsworth, Randy A.

    1990-01-01

    Analysis of educational psychology textbooks identified textbook authors' guidelines for teachers to follow when writing multiple-choice test items. Selected guidelines were used to evaluate multiple-choice items (N=1,080) from 18 college instructor guides to educational psychology texts. Results indicated that approximately 60 percent of the…

  11. The Object Formerly Known as the Textbook

    ERIC Educational Resources Information Center

    Young, Jeffrey R.

    2013-01-01

    Textbook publishers argue that their newest digital products should not even be called "textbooks." They are really software programs built to deliver a mix of text, videos, and homework assignments. But delivering them is just the beginning. No old-school textbook was able to be customized for each student in the classroom. The books never graded…

  12. Multiculturalism in Secondary School Physical Education Textbooks

    ERIC Educational Resources Information Center

    Hsu, Shan-Hui; Chepyator-Thomson, Rose

    2010-01-01

    The purpose of the study focused on how textbook authors in secondary school physical education used multicultural education concepts, using Banks' (2006a) dimensions and Sleeter and Grant's (1999) approaches. Data collection methods included examination of textbooks' chapters, indexes, and references in five textbooks. Constant comparison method…

  13. A Framework for Open Textbooks Analytics System

    ERIC Educational Resources Information Center

    Prasad, Deepak; Totaram, Rajneel; Usagawa, Tsuyoshi

    2016-01-01

    In the last few years, open textbook development has picked up dramatically due both to the expense of commercially published textbooks and the increasing availability of high-quality OER alternatives. While this offers a tremendous benefit in terms of lowering student textbook costs, the question remains, to what extent (if any) do open textbooks…

  14. Psychology Ethics in Introductory Psychology Textbooks

    ERIC Educational Resources Information Center

    Zucchero, Renee' A.

    2011-01-01

    Previous research revealed that introductory psychology textbooks included limited information about psychology ethics. This study reviewed 48 current introductory psychology textbooks for research and other APA ethics content. These textbooks included slightly more total ethics content and were more thorough in their review of research ethics…

  15. Do E-Textbooks Impact Learning Outcomes?

    ERIC Educational Resources Information Center

    Fike, David; Fike, Renea

    2016-01-01

    The primary focus of this study was to determine if student learning outcomes in an undergraduate Statistics course differed based upon the type of textbook used (e-textbook or hardcopy). Fifty-six students enrolled in the course were allowed to choose textbook type. After controlling for student demographics and academic preparedness, student…

  16. History Textbook Controversies in Japan. ERIC Digest.

    ERIC Educational Resources Information Center

    Masalski, Kathleen Woods

    Currently, there is a controversy in Japan about textbook treatments of Japanese military actions during World War II. This digest examines: (1) the importance of history textbooks in schools in Japan and the United States; (2) the context of history textbook controversies in Japan; (3) the current issues and contending positions in the Japanese…

  17. Reflections on the Study of Textbooks

    ERIC Educational Resources Information Center

    Issitt, John

    2004-01-01

    It would be a mistake to underestimate the challenge of any attempt to elevate the current status of textbook research. The negativity surrounding textbooks in terms of use and status as both literary objects and vehicles for pedagogy is profound. There is a very deep-seated "anti-textbook ethos" witnessed throughout the education business. This…

  18. How to Choose a Textbook on Mathematics?

    ERIC Educational Resources Information Center

    Czeglédy, István; Kovács, András

    2008-01-01

    Creating of this article was motivated by the change of the new situation in connection with the Hungarian mathematics textbooks. Nowadays the teachers of Hungary could choose among the textbooks without restriction. The number of the textbooks is growing more and more. But our mathematics teachers have not any didactical support for the choice.…

  19. Geometric Transformations in Middle School Mathematics Textbooks

    ERIC Educational Resources Information Center

    Zorin, Barbara

    2011-01-01

    This study analyzed treatment of geometric transformations in presently available middle grades (6, 7, 8) student mathematics textbooks. Fourteen textbooks from four widely used textbook series were evaluated: two mainline publisher series, Pearson (Prentice Hall) and Glencoe (Math Connects); one National Science Foundation (NSF) funded curriculum…

  20. The Evolution of International Business Textbooks

    ERIC Educational Resources Information Center

    Sagafi-nejad, Tagi; Limaye, Aditya

    2014-01-01

    As a field of study, international business (IB) has evolved with accelerated tempo in the last four decades. The subject has brought with it an increasing plethora of textbooks. We analyze the contents of major textbooks, both classic and new, to find the extent to which these textbooks cover the various components of the common body of knowledge…

  1. A Study of Four Textbook Distribution Models

    ERIC Educational Resources Information Center

    Graydon, Benjamin; Urbach-Buholz, Blake; Kohen, Cheryl

    2011-01-01

    Textbooks too often hinder rather than help students because of their prohibitively expensive prices. Colleges and universities facing intense pressure to lower education expenses while increasing access, retention, and achievement now find addressing the textbook problem more and more urgent. Used textbook sales have grown dramatically over the…

  2. New observation and combined analysis of the Cs{sub 2} 0{sub g}{sup −}, 0{sub u}{sup +}, and 1{sub g} states at the asymptotes 6S{sub 1/2} + 6P{sub 1/2} and 6S{sub 1/2} + 6P{sub 3/2}

    SciTech Connect

    Ma, Jie; Liu, Wenliang; Wu, Jizhou; Jia, Suotang; Yang, Jinxin; Dai, Xingcan; Sun, Weiguo; Ivanov, Valery S.; Skublov, Alexei S.; Sovkov, Vladimir B.

    2014-12-28

    We report on new observations of the photoassociation spectroscopy of ultracold cesium molecules using a highly sensitive detection technique and a combined analysis with all observed electronic states. The technique is achieved by directly modulating the frequency of the trapping lasers of a magneto-optical trap. New observations of the Cs{sub 2}0{sub g}{sup −}, 0{sub u}{sup +}, and 1{sub g} states at the asymptotes 6S{sub 1/2} + 6P{sub 1/2} and 6S{sub 1/2} + 6P{sub 3/2} are reported. The spectral range is extended to the red detuning of 112 cm{sup −1} below the 6S{sub 1/2} + 6P{sub 3/2} dissociation limit. Dozens of vibrational levels of the ultracold Cs{sub 2}0{sub g}{sup −}, 0{sub u}{sup +}, and 1{sub g} states are observed for the first time. The available experimental binding energies of these states are analyzed simultaneously in a framework of the generalized LeRoy–Bernstein theory and the almost degenerate perturbation theory by Marinescu and Dalgarno [Phys. Rev. A: At., Mol., Opt. Phys. 52, 311 (1995)]. The unique atomic-related parameter c{sub 3} governing the dispersion forces of all the molecular states is estimated as (10.29 ± 0.05) a.u.

  3. Electronic Textbook in Human Physiology.

    ERIC Educational Resources Information Center

    Broering, Naomi C.; Lilienfield, Lawrence S.

    1994-01-01

    Describes the development of an electronic textbook in human physiology at the Georgetown University Medical Center Library that was designed to enhance learning and visualization through a prototype knowledge base of core instructional materials stored in digital format on Macintosh computers. The use of computers in the medical curriculum is…

  4. World-Wide Intelligent Textbooks

    ERIC Educational Resources Information Center

    Schwarz, Elmar; Brusilovsky, Peter; Weber, Gerhard

    2005-01-01

    New WWW technologies allow for integrating distance education power of WWW with interactivity and intelligence. Integrating on-line presentation of learning materials with the interactivity of problem solving environments and the intelligence of intelligent tutoring systems results in a new quality of learning materials that we call I3-textbooks.…

  5. History's Purpose in Antebellum Textbooks

    ERIC Educational Resources Information Center

    McInnis, Edward Cromwell

    2012-01-01

    Many scholars have argued that history education during the antebellum period in the United States supported conservative values and sought to produce close-minded citizens. History textbooks of that era, they frequently posit, cast Americans as God's chosen people and present the past in a style that reaffirms established social conventions. Ruth…

  6. Rent Seeking: A Textbook Example

    ERIC Educational Resources Information Center

    Pecorino, Paul

    2007-01-01

    The author argues that the college textbook market provides a clear example of monopoly seeking as described by Tullock (1967, 1980). This behavior is also known as rent seeking. Because this market is important to students, this example of rent seeking will be of particular interest to them. (Contains 24 notes.)

  7. USA/USSR Textbook Distortions.

    ERIC Educational Resources Information Center

    Parker, Franklin

    This review of a 1981 interim report on the United States' and the Soviet Union's distortion of events in history and geography textbooks is intended to encourage educators in both countries to depict the other side more honestly, less aggressively, and more appreciative of each other's virtues and flaws. Organized into two major sections,…

  8. Queering High School Biology Textbooks

    ERIC Educational Resources Information Center

    Snyder, Vicky L.; Broadway, Francis S.

    2004-01-01

    As teachers committed to educating all students, we need to learn more about how instructional materials shape representations of sexuality and gender. Through its insistent deconstruction of the norms that structure practice and belief, queer theory offers perspectives from which science educators can question assumptions embedded in textbooks.…

  9. Populism in High School Textbooks

    ERIC Educational Resources Information Center

    Peiser, Andrew C.

    1973-01-01

    The purpose of this study was to determine whether one area of United States history--Populism and Populists--is accurately presented in nine widely used current American history high school textbooks. Another objective was to devise a system that could be used to make such a determination for any history text. (Author)

  10. Some Thoughts on Free Textbooks

    ERIC Educational Resources Information Center

    Stewart, Robert

    2009-01-01

    The author publishes and freely distributes three online textbooks. "Introduction to Physical Oceanography" is available as a typeset book in Portable Document Format (PDF) or as web pages. "Our Ocean Planet: Oceanography in the 21st Century" and "Environmental Science in the 21st Century" are both available as web pages. All three books, which…

  11. Alaska Native Land Claims. [Textbook].

    ERIC Educational Resources Information Center

    Arnold, Robert D.; And Others

    Written for students at the secondary level, this textbook on Alaska Native land claims includes nine chapters, eight appendices, photographs, maps, graphs, bibliography, and an index. Chapters are titled as follows: (1) Earliest Times (Alaska's first settlers, eighteenth century territories, and other claimants); (2) American Indians and Their…

  12. Modern Iraqi Arabic: A Textbook.

    ERIC Educational Resources Information Center

    Alkalesi, Yasin M.

    This book is an introductory textbook for those with no previous knowledge of Arabic or for those who know Arabic but want to learn the Iraqi dialect. The book is divided into 16 lessons: "Arabic Alphabet and Vowels"; "Greetings and Courtesy Expressions"; "Asking for Directions"; "Arrival at Baghdad Airport, Part I"; "Arrival at Baghdad Airport,…

  13. Vietnam and American Government Textbooks.

    ERIC Educational Resources Information Center

    Cline, Paul C.; Eksterowicz, Anthony J.

    1998-01-01

    Discusses the importance of studying the Vietnam War. Attempts to illustrate the amount and quality of coverage of the Vietnam War in U.S. government textbooks. Explains that the amount of space devoted to the war in most of these texts remains inadequate for student understanding of the Vietnam War. (CMK)

  14. Muslim Textbooks Seen as Intolerant

    ERIC Educational Resources Information Center

    Manzo, Kathleen Kennedy

    2004-01-01

    A number of Muslim countries have stepped up plans for revising school textbooks as part of the continuing U.S. driven campaign to combat terrorism. Critics maintain that the efforts are superficial and that the books continue to portray dangerous stereotypes and promote extremist views. Some books for religious and social sciences classes in use…

  15. Moroccan Arabic Textbook. Student Edition.

    ERIC Educational Resources Information Center

    Peace Corps, Rabat (Morocco).

    The textbook is designed for Peace Corps volunteers learning the variety of Arabic mostly widely spoken in Morocco. It contains 10 lessons, each consisting of a dialogue, vocabulary list, grammar notes, a popular proverb, and supplementary dialogue and/or idiomatic and socially correct expressions. Dialogue topics include introductions and…

  16. Banal Nationalism in ESL Textbooks

    ERIC Educational Resources Information Center

    Gulliver, Trevor

    2011-01-01

    Despite repeating claims that Canadians are less nationalistic than members of other nations, English as a second language (ESL) textbooks often participate in banal repetitions of nation-ness and nationalism. This banal nationalism takes the form of the marking of nation through flags, maps, routine deixis, and nationalized symbols. This study…

  17. Origins of India's "Textbook Culture."

    ERIC Educational Resources Information Center

    Kumar, Krishna

    1988-01-01

    Examines the historical circumstances, prevailing from the early nineteenth century onward, under which the textbook-centered culture of Indian education developed. Discusses conditions associated with colonial rule, teachers' service conditions and professional status, the examination system, and imposition of a foreign language as they…

  18. 1975 Textbooks for French Civilization.

    ERIC Educational Resources Information Center

    Brown, Jack Davis

    Four 1975 textbooks for French civilization courses are cited including price, suggested level, format and a listing of contents. A review of one text follows: Rey and Santoni, "Quand les Francais parlent: Langue en contexte, culture en contraste," Newbury House Publishers. The reviewer states that this book is basically a sociological study of…

  19. From EFL to English as an International and Scientific Language: Analysing Taiwan's High-School English Textbooks in the Period 1952-2009

    ERIC Educational Resources Information Center

    Ke, I-Chung

    2012-01-01

    Using both quantitative and qualitative content analysis of Taiwan's high-school English textbooks, this study aimed to investigate the projected roles of English in Taiwan's high-school English textbooks over the past 50 years. A total of 1072 lessons from 14 textbook versions dating from 1952 to 2009 were analysed. The results show that the…

  20. Revisiting "The fertilization fairytale:" an analysis of gendered language used to describe fertilization in science textbooks from middle school to medical school

    NASA Astrophysics Data System (ADS)

    Campo-Engelstein, Lisa; Johnson, Nadia L.

    2014-03-01

    Emily Martin's (Signs J Women Cult Soc 16(31):485-501, 1991) article, "The Egg and the Sperm: How Science Has Constructed a Romance Based on Stereotypical Male-Female Roles," was published in Signs over 20 years ago. In this groundbreaking article, she discusses how gender roles are often projected onto reproductive biology, leading to the portrayal of eggs as passive and sperm as active. We were interested in seeing if many of her findings are still relevant today. We analyzed science textbooks from the middle school to the medical school level to determine if fertilization in human reproduction is described in gender-biased language regarding the sentence structure, amount of information provided for female and male processes/parts, and neutrality in describing female and male processes/parts. Although there has been much improvement, there is still a long way to go. Sexist language in scientific textbooks is troubling because it negatively affects both female and male students and undermines teachers' ability to teach in an accurate and gender-neutral way.

  1. An Evaluation of Grades 9 and 10 Mathematics Textbooks vis-a-vis Fostering Problem Solving Skills

    ERIC Educational Resources Information Center

    Buishaw, Alemayehu; Ayalew, Assaye

    2013-01-01

    This study sought to evaluate the adequacy of integration of problematic situations and general problem-solving strategies (heuristics) in grades 9 and 10 mathematics textbooks. Grade 9 and grade 10 mathematics textbooks were used for analysis. Document analysis and interview were used as data gathering instruments. Document analysis was carried…

  2. Class Stratification in Introductory Textbooks: Relational or Distributional Models?

    ERIC Educational Resources Information Center

    Lucal, Betsy

    1994-01-01

    Maintains that most students learn how sociologists study social stratification in introductory sociology courses. Presents a content analysis of 15 introductory college textbooks to determine whether they use distributional or relational approaches as the basis for their treatment of social class. Finds that depictions of class are…

  3. Images of Nature in Greek Primary School Textbooks

    ERIC Educational Resources Information Center

    Korfiatis, Kostas J.; Stamou, Anastasia G.; Paraskevopoulos, Stephanos

    2004-01-01

    In this article, the environmental content of the textbooks used for the teaching of natural sciences in Greek primary schools was examined. Specifically, by employing the method of content analysis, both representational (metaphors, depictions, values, etc.) and cognitive ecological concepts) elements, building images of nature, and shaping our…

  4. Neoliberal Ideology in Primary School Social Studies Textbooks in Turkey

    ERIC Educational Resources Information Center

    Akkaymak, Güliz

    2015-01-01

    This study examines the extent to which fourth and fifth grade primary school Social Studies textbooks published by the Ministry of National Education in Turkey between 1980 and 2009 represent neoliberal ideology. In an examination of changes following the restructuring of Turkish primary school education in 2004, this analysis compares pre- and…

  5. The Use of Decompositions in International Trade Textbooks.

    ERIC Educational Resources Information Center

    Highfill, Jannett K.; Weber, William V.

    1994-01-01

    Asserts that international trade, as compared with international finance or even international economics, is primarily an applied microeconomics field. Discusses decomposition analysis in relation to international trade and tariffs. Reports on an evaluation of the treatment of this topic in eight college-level economics textbooks. (CFR)

  6. Using Concept Maps to Analyze Textbook Presentations of Respiration.

    ERIC Educational Resources Information Center

    Soyibo, Kola

    1995-01-01

    Conducted a study that used concept maps to compare and evaluate how the principal concepts of respiration were elaborated in three high school biology textbooks specifically written for the English-speaking Caribbean nations. Discusses concept analysis, elaborations, and defects in the elaborations. (19 references) (JRH)

  7. Coverage of Research Ethics in Introductory and Social Psychology Textbooks.

    ERIC Educational Resources Information Center

    Korn, James H.

    1984-01-01

    A content analysis of college-level introductory and social psychology textbooks showed that many texts do not discuss ethics at all and, if they do, it is usually in one or two pages. Things that classroom teachers can do to fill this important gap are discussed. (RM)

  8. Examples in College Algebra Textbooks: Opportunities for Students' Learning

    ERIC Educational Resources Information Center

    Mesa, Vilma; Suh, Heejoo; Blake, Tyler; Whittemore, Timothy

    2012-01-01

    We present an analysis of several characteristics of examples in 10 college algebra textbooks used in community colleges or 4-year institutions. We analyzed the examples along four dimensions: cognitive demand, the responses expected, the use of representations, and the strategies available for verifying the correctness of the solutions. We found…

  9. Democratic Citizenship in Textbooks in Spanish Primary Curriculum

    ERIC Educational Resources Information Center

    De La Caba Collado, Mariangeles; Lopez Atxurra, Rafael

    2006-01-01

    This paper analyses how textbooks deal with the issues of education for democratic citizenship encompassed within the European framework and Spanish educational reforms. The sample comprised the 24 individual texts in social science, natural science, and technology for 6-12-year-olds. This paper delimits and defines the six themes for analysis:…

  10. Assessing the Potential of Mathematics Textbooks to Promote Deep Learning

    ERIC Educational Resources Information Center

    Shield, Malcolm; Dole, Shelley

    2013-01-01

    Curriculum documents for mathematics emphasise the importance of promoting depth of knowledge rather than shallow coverage of the curriculum. In this paper, we report on a study that explored the analysis of junior secondary mathematics textbooks to assess their potential to assist in teaching and learning aimed at building and applying deep…

  11. Textbooks and the Holocaust in Independent Ukraine: An Uneasy Past

    ERIC Educational Resources Information Center

    Dietsch, Johan

    2012-01-01

    The article examines how Ukrainian history textbooks dealt with the Holocaust between independence and 2006. The analysis reveals two major, conflicting narratives about the Holocaust, though both externalize and relativize the Holocaust. As a template for understanding genocide, the Holocaust was applied to the Soviet-imposed 1932-33 famine in…

  12. Illustrations in Social Studies Textbooks, Grades One through Three

    ERIC Educational Resources Information Center

    Shrum, Ellen Olin

    2010-01-01

    This content analysis examined illustrations (n =3,357) in the core lessons of four top-selling publishers' social studies textbooks, grades one through three. The graphical (n =556) and pictorial (n =2801) displays were coded for typology, explanation (labels or captions), referential text connection, location of referential connection, function…

  13. Representations of Scientists in Canadian High School and College Textbooks

    ERIC Educational Resources Information Center

    van Eijck, Michiel; Roth, Wolff-Michael

    2008-01-01

    This study investigated the representations of a select group of scientists (n = 10) in a sample of Canadian high school and college textbooks. Drawing on semiotic and cultural-historical activity theoretical frameworks, we conducted two analyses. A coarse-grained, quantitative analysis of the prevalence and structure of these representations…

  14. A Micro-Analysis of Mother-Infant Interaction. Behavior Regulating Social Contact Between a Mother and her 3 1/2 Month-Old Twins

    ERIC Educational Resources Information Center

    Stern, Daniel N.

    1971-01-01

    An example of controlling" maternal behavior with 3 1/2-month-old twins is studied by a method of frame-by-frame film analysis. Characteristic infant behaviors regulating social contact with the mother are identified and followed through 15 months. (Author)

  15. 4-[(1-Benzyl-1H-1,2,3-triazol-4-yl)meth-oxy]benzene-1,2-dicarbo-nitrile: crystal structure, Hirshfeld surface analysis and energy-minimization calculations.

    PubMed

    Shamsudin, Norzianah; Tan, Ai Ling; Young, David J; Jotani, Mukesh M; Otero-de-la-Roza, A; Tiekink, Edward R T

    2016-04-01

    In the solid state, the title compound, C18H13N5O, adopts a conformation whereby the phenyl ring and meth-oxy-benzene-1,2-dicarbo-nitrile residue (r.m.s. deviation of the 12 non-H atoms = 0.041 Å) lie to opposite sides of the central triazolyl ring, forming dihedral angles of 79.30 (13) and 64.59 (10)°, respectively; the dihedral angle between the outer rings is 14.88 (9)°. This conformation is nearly 7 kcal mol(-1) higher in energy than the energy-minimized structure which has a syn disposition of the outer rings, enabling intra-molecular π-π inter-actions. In the crystal, methyl-ene-C-H⋯N(triazol-yl) and carbo-nitrile-N⋯π(benzene) inter-actions lead to supra-molecular chains along the a axis. Supra-molecular layers in the ab plane arise as the chains are connected by benzene-C-H⋯N(carbo-nitrile) inter-actions; layers stack with no directional inter-actions between them. The specified inter-molecular contacts along with other, weaker contributions to the supra-molecular stabilization are analysed in a Hirshfeld surface analysis. PMID:27375890

  16. 4-[(1-Benzyl-1H-1,2,3-triazol-4-yl)meth­oxy]benzene-1,2-dicarbo­nitrile: crystal structure, Hirshfeld surface analysis and energy-minimization calculations

    PubMed Central

    Shamsudin, Norzianah; Tan, Ai Ling; Young, David J.; Jotani, Mukesh M.; Otero-de-la-Roza, A.; Tiekink, Edward R. T.

    2016-01-01

    In the solid state, the title compound, C18H13N5O, adopts a conformation whereby the phenyl ring and meth­oxy–benzene-1,2-dicarbo­nitrile residue (r.m.s. deviation of the 12 non-H atoms = 0.041 Å) lie to opposite sides of the central triazolyl ring, forming dihedral angles of 79.30 (13) and 64.59 (10)°, respectively; the dihedral angle between the outer rings is 14.88 (9)°. This conformation is nearly 7 kcal mol−1 higher in energy than the energy-minimized structure which has a syn disposition of the outer rings, enabling intra­molecular π–π inter­actions. In the crystal, methyl­ene-C—H⋯N(triazol­yl) and carbo­nitrile-N⋯π(benzene) inter­actions lead to supra­molecular chains along the a axis. Supra­molecular layers in the ab plane arise as the chains are connected by benzene-C—H⋯N(carbo­nitrile) inter­actions; layers stack with no directional inter­actions between them. The specified inter­molecular contacts along with other, weaker contributions to the supra­molecular stabilization are analysed in a Hirshfeld surface analysis. PMID:27375890

  17. Infrared-induced rotational isomerization of 1,2-ethanediamine in argon matrices and conformational analysis by DFT calculation

    NASA Astrophysics Data System (ADS)

    Kudoh, Satoshi; Takayanagi, Masao; Nakata, Munetaka; Ishibashi, Takaaki; Tasumi, Mitsuo

    1999-04-01

    Infrared spectra of 1,2-ethanediamine and its two deuterated species, ND 2CH 2CH 2ND 2 and NH 2CD 2CD 2NH 2, were measured by matrix-isolation FTIR spectroscopy. Isomerization around the central C-C axis from two gauche conformers to one trans conformer was found to occur upon infrared irradiation. With an aid of density functional theory, DFT, calculations, where the 6-31++G** basis set was used to optimize geometrical structures, the gauche conformers were assigned to G +G +G - and TG +G -, and the trans conformer to TTT. Wavelength dependence of the isomerization rates was examined using a tunable narrow band pass filter. It was found that relative quantum yields depend on excitation energy but not on the type of vibrational modes which absorb infrared rays.

  18. QSAR Analysis for Some 1, 2-Benzisothiazol-3-one Derivatives as Caspase-3 Inhibitors by Stepwise MLR Method

    PubMed Central

    Hajimahdi, Zahra; Safizadeh, Fatemeh; Zarghi, Afshin

    2016-01-01

    Caspase-3 inhibitory activities of some 1, 2-benzisothiazol-3-one derivatives were modeled by quantitative structure–activity relationship (QSAR) using stepwise-multiple linear regression (SW-MLR) method. The built model was robust and predictive with correlation coefficient (R2) of 0.91 and 0.59 for training and test groups, respectively. The quality of the model was evaluated by leave-one out (LOO) cross validation (LOO correlation coefficient, Q2) of 0.80). The results indicate that the descriptors related to the electronegativity, the atomic masses, the atomic van der Waals volumes and R--CX--R Atom-centered fragments play a more significant role in caspase-3 inhibitory activity. PMID:27642314

  19. QSAR Analysis for Some 1, 2-Benzisothiazol-3-one Derivatives as Caspase-3 Inhibitors by Stepwise MLR Method.

    PubMed

    Hajimahdi, Zahra; Safizadeh, Fatemeh; Zarghi, Afshin

    2016-01-01

    Caspase-3 inhibitory activities of some 1, 2-benzisothiazol-3-one derivatives were modeled by quantitative structure-activity relationship (QSAR) using stepwise-multiple linear regression (SW-MLR) method. The built model was robust and predictive with correlation coefficient (R(2)) of 0.91 and 0.59 for training and test groups, respectively. The quality of the model was evaluated by leave-one out (LOO) cross validation (LOO correlation coefficient, Q(2)) of 0.80). The results indicate that the descriptors related to the electronegativity, the atomic masses, the atomic van der Waals volumes and R--CX--R Atom-centered fragments play a more significant role in caspase-3 inhibitory activity. PMID:27642314

  20. Textbook Selection: A Matter of Local Choice. A Position Paper.

    ERIC Educational Resources Information Center

    New York State School Boards Association, Albany.

    Textbooks have come under a barrage of criticism ranging from overall textbook quality to changing costs. Litigation in the federal courts has challenged textbook content. New York State school boards need to examine the issues in the textbook problem. This paper explains New York State's textbook selection process, which is based on local…

  1. Open Textbook Proof-of-Concept via Connexions

    ERIC Educational Resources Information Center

    Baker, Judy; Thierstein, Joel; Fletcher, Kathi; Kaur, Manpreet; Emmons, Jonathan

    2009-01-01

    To address the high cost of textbooks, Rice University's Connexions and the Community College Open Textbook Project (CCOTP) collaborated to develop a proof-of-concept free and open textbook. The proof-of-concept served to document a workflow process that would support adoption of open textbooks. Open textbooks provide faculty and students with a…

  2. Online Prelectures: An Alternative to Textbook Reading Assignments

    NASA Astrophysics Data System (ADS)

    Sadaghiani, Homeyra R.

    2012-05-01

    To engage students in a more meaningful discussion of course material and prompt their higher thinking skills, most instructors expect students to read the course textbook for initial exposure to the course content before class. However, as many instructors are aware, most students do not read their textbook throughout the quarter.1,2 At California State Polytechnic University, Pomona (Cal Poly Pomona) we have adopted web-based multimedia learning modules (MLMs) as prelecture assignments to help students to prepare for the class activities. The MLMs place lecture contents into the hands and control of the learners; similar to "flipped"3 or "inverted"4 classroom approaches, this method allows students to receive key course content outside of class and apply and analyze the content actively during class. In addition to initial exposure to basic principle, the MLMs provide additional worked examples that cannot be thoroughly covered in class.

  3. Sex Education Representations in Spanish Combined Biology and Geology Textbooks

    NASA Astrophysics Data System (ADS)

    García-Cabeza, Belén; Sánchez-Bello, Ana

    2013-07-01

    Sex education is principally dealt with as part of the combined subject of Biology and Geology in the Spanish school curriculum. Teachers of this subject are not specifically trained to teach sex education, and thus the contents of their assigned textbooks are the main source of information available to them in this field. The main goal of this study was to determine what information Biology and Geology textbooks provide with regard to sex education and the vision of sexuality they give, but above all to reveal which perspectives of sex education they legitimise and which they silence. We analysed the textbooks in question by interpreting both visual and text representations, as a means of enabling us to investigate the nature of the discourse on sex education. With this aim, we have used a qualitative methodology, based on the content analysis. The main analytical tool was an in-house grid constructed to allow us to analyse the visual and textual representations. Our analysis of the combined Biology and Geology textbooks for Secondary Year 3 revealed that there is a tendency to reproduce models of sex education that take place within a framework of the more traditional discourses. Besides, the results suggested that the most of the sample chosen for this study makes a superficial, incomplete, incorrect or biased approach to sex education.

  4. "Confused by Multiple Deities, Ancient Egyptians Embraced Monotheism": Analysing Historical Thinking and Inclusion in Egyptian History Textbooks

    ERIC Educational Resources Information Center

    Abdou, Ehaab D.

    2016-01-01

    Egyptian history textbooks are examined through the prism of historical thinking dimensions and skills, utilizing a critical discourse analysis. The analysis focuses on how the textbooks portray two historically significant events: the advent of Christianity (ca. 33 CE) and Islam (ca. 641 CE) to Egypt. It reveals that the historical narrative…

  5. RNA-seq analysis is easy as 1-2-3 with limma, Glimma and edgeR

    PubMed Central

    Law, Charity W.; Alhamdoosh, Monther; Su, Shian; Smyth, Gordon K.; Ritchie, Matthew E.

    2016-01-01

    The ability to easily and efficiently analyse RNA-sequencing data is a key strength of the Bioconductor project. Starting with counts summarised at the gene-level, a typical analysis involves pre-processing, exploratory data analysis, differential expression testing and pathway analysis with the results obtained informing future experiments and validation studies. In this workflow article, we analyse RNA-sequencing data from the mouse mammary gland, demonstrating use of the popular edgeR package to import, organise, filter and normalise the data, followed by the limma package with its voom method, linear modelling and empirical Bayes moderation to assess differential expression and perform gene set testing. This pipeline is further enhanced by the Glimma package which enables interactive exploration of the results so that individual samples and genes can be examined by the user. The complete analysis offered by these three packages highlights the ease with which researchers can turn the raw counts from an RNA-sequencing experiment into biological insights using Bioconductor. PMID:27441086

  6. RNA-seq analysis is easy as 1-2-3 with limma, Glimma and edgeR.

    PubMed

    Law, Charity W; Alhamdoosh, Monther; Su, Shian; Smyth, Gordon K; Ritchie, Matthew E

    2016-01-01

    The ability to easily and efficiently analyse RNA-sequencing data is a key strength of the Bioconductor project. Starting with counts summarised at the gene-level, a typical analysis involves pre-processing, exploratory data analysis, differential expression testing and pathway analysis with the results obtained informing future experiments and validation studies. In this workflow article, we analyse RNA-sequencing data from the mouse mammary gland, demonstrating use of the popular edgeR package to import, organise, filter and normalise the data, followed by the limma package with its voom method, linear modelling and empirical Bayes moderation to assess differential expression and perform gene set testing. This pipeline is further enhanced by the Glimma package which enables interactive exploration of the results so that individual samples and genes can be examined by the user. The complete analysis offered by these three packages highlights the ease with which researchers can turn the raw counts from an RNA-sequencing experiment into biological insights using Bioconductor. PMID:27441086

  7. The Culture and Commerce of the Textbook.

    ERIC Educational Resources Information Center

    Apple, Michael W.

    1985-01-01

    The textbook dominates curricula at the elementary, secondary, and even college levels. The ideological, political, and economic sources of its production, distribution, and reception are examined. (RM)

  8. Textbooks and technical references for remote sensing

    NASA Technical Reports Server (NTRS)

    Rudd, R. D.; Bowden, L. W.; Colwell, R. N.; Estes, J. E.

    1980-01-01

    A selective bibliography is presented which cites 89 textbooks, monographs, and articles covering introductory and advanced remote sensing techniques, photointerpretation, photogrammetry, and image processing.

  9. Back to the Future with Textbooks: Using Textbook Passages from the Past to Help Teach Historiography

    ERIC Educational Resources Information Center

    DeRose, John J.

    2009-01-01

    Old textbooks are one resource for teaching about the evolution of historical interpretation. Some libraries contain collections of U.S. history textbooks spanning multiple years and some schools even keep older textbooks used in past years. Recently, the author used a book by Kyle Ward entitled "History in the Making: An Absorbing Look at How…

  10. Evaluation of WorldView Textbooks; Textbooks Taught at a Military University

    ERIC Educational Resources Information Center

    Khalili, Masoud; Jodai, Hojat

    2012-01-01

    This paper intends to evaluate the WorldView series textbooks of English learning, which are being taught at an Iranian military university foreign language center. No textbook evaluation had been conducted by the university administration prior to the introduction of the textbooks to the language program. Theorists in the field of ELT textbook…

  11. Islam and the Textbooks. A Report of the American Textbook Council.

    ERIC Educational Resources Information Center

    Sewall, Gilbert T.

    How widely adopted world history textbooks cover Islam and the history of the Middle East is a timely and important subject to explore. In 2001 the American Textbook Council began a comprehensive review of middle school and high school world history textbooks. The Council relied on respected historians and standard sources, influential articles…

  12. TLR1, 2, 4, 6 and 9 Variants Associated with Tuberculosis Susceptibility: A Systematic Review and Meta-Analysis

    PubMed Central

    Schurz, Haiko; Daya, Michelle; Möller, Marlo; Hoal, Eileen G.; Salie, Muneeb

    2015-01-01

    Background Studies investigating the influence of toll-like receptor (TLR) polymorphisms and tuberculosis susceptibility have yielded varying and often contradictory results in different ethnic groups. A meta-analysis was conducted to investigate the relationship between TLR variants and susceptibility to tuberculosis, both across and within specific ethnic groups. Methods An extensive database search was performed for studies investigating the relationship between TLR and tuberculosis (TB) susceptibility. Data was subsequently extracted from included studies and statistically analysed. Results 32 articles involving 18907 individuals were included in this meta-analysis, and data was extracted for 14 TLR polymorphisms. Various genetic models were employed. An increased risk of TB was found for individuals with the TLR2 rs3804100 CC and the TLR9 rs352139 GA and GG genotypes, while decreased risk was identified for those with the AG genotype of TLR1 rs4833095. The T allele of TLR6 rs5743810 conferred protection across all ethnic groups. TLR2 rs5743708 subgroup analysis identified the A allele to increase susceptibility to TB in the Asian ethnic group, while conferring protection in the Hispanic group. The T allele of TLR4 rs4986791 was also found to increase the risk of TB in the Asian subgroup. All other TLR gene variants investigated were not found to be associated with TB in this meta-analysis. Discussion Although general associations were identified, most TLR variants showed no significant association with TB, indicating that additional studies investigating a wider range of pattern recognition receptors is required to gain a better understanding of this complex disease. PMID:26430737

  13. Integration of Launch Vehicle Simulation/Analysis Tools and Lunar Cargo Lander Design. Part 1/2

    NASA Technical Reports Server (NTRS)

    Shiue, Yeu-Sheng Paul

    2005-01-01

    Simulation and analysis of vehicle performance is essential for design of a new launch vehicle system. It is more and more demand to have an integrated, highly efficient, robust simulation tool with graphical user interface (GUI) for vehicle performance and simulations. The objectives of this project are to integrate and develop launch vehicle simulation and analysis tools in MATLAB/Simulink under PC Platform, to develop a vehicle capable of being launched on a Delta-IV Heavy Launch Vehicle which can land on the moon with the goal of pre-implanting cargo for a new lunar mission, also with the capability of selecting other launch vehicles that are capable of inserting a payload into Trans-Lunar Injection (TLI). The vehicle flight simulation software, MAVERIC-II (Marshall Aerospace VEhicle Representation In 'C'), developed by Marshall Space Flight Center was selected as a starting point for integration of simulation/analysis tools. The goals are to convert MAVERIC-II from UNIX to PC platform and build input/output GUI s in the MATLAB environment, and then integrate them under MATLAB/Simulink with other modules. Currently, MAVERIC-II has been successfully converted from UNIX to PC using Microsoft Services for UNIX subsystem on PC. Input/Output GUI's have been done for some key input/output files. Calling MAVERIC-II from Simulink has been tested. Details regarding Lunar Cargo Lander Design are described in Part 2/2 of the paper on page X-1.

  14. Molecular conformational analysis, vibrational spectra and normal coordinate analysis of trans-1,2-bis(3,5-dimethoxy phenyl)-ethene based on density functional theory calculations.

    PubMed

    Joseph, Lynnette; Sajan, D; Chaitanya, K; Isac, Jayakumary

    2014-03-25

    The conformational behavior and structural stability of trans-1,2-bis(3,5-dimethoxy phenyl)-ethene (TDBE) were investigated by using density functional theory (DFT) method with the B3LYP/6-311++G(d,p) basis set combination. The vibrational wavenumbers of TDBE were computed at DFT level and complete vibrational assignments were made on the basis of normal coordinate analysis calculations (NCA). The DFT force field transformed to natural internal coordinates was corrected by a well-established set of scale factors that were found to be transferable to the title compound. The infrared and Raman spectra were also predicted from the calculated intensities. The observed Fourier transform infrared (FTIR) and Fourier transform (FT) Raman vibrational wavenumbers were analyzed and compared with the theoretically predicted vibrational spectra. Comparison of the simulated spectra with the experimental spectra provides important information about the ability of the computational method to describe the vibrational modes. Information about the size, shape, charge density distribution and site of chemical reactivity of the molecules has been obtained by mapping electron density isosurface with electrostatic potential surfaces (ESP).

  15. One-Semester Introductory Economics Textbooks: Echoes and Choices.

    ERIC Educational Resources Information Center

    Shackelford, Jean

    1991-01-01

    Reviews 21 one-semester economics textbooks using Kenneth E. Boulding's ideas for introductory textbooks. Lists 240 concepts and topic areas in macroeconomics, microeconomics, public policy, and international economics that may be covered in a textbook. (NL)

  16. Gray Matter Features of Reading Disability: A Combined Meta-Analytic and Direct Analysis Approach(1,2,3,4).

    PubMed

    Eckert, Mark A; Berninger, Virginia W; Vaden, Kenneth I; Gebregziabher, Mulugeta; Tsu, Loretta

    2016-01-01

    Meta-analysis of voxel-based morphometry dyslexia studies and direct analysis of 293 reading disability and control cases from six different research sites were performed to characterize defining gray matter features of reading disability. These analyses demonstrated consistently lower gray matter volume in left posterior superior temporal sulcus/middle temporal gyrus regions and left orbitofrontal gyrus/pars orbitalis regions. Gray matter volume within both of these regions significantly predicted individual variation in reading comprehension after correcting for multiple comparisons. These regional gray matter differences were observed across published studies and in the multisite dataset after controlling for potential age and gender effects, and despite increased anatomical variance in the reading disability group, but were not significant after controlling for total gray matter volume. Thus, the orbitofrontal and posterior superior temporal sulcus gray matter findings are relatively reliable effects that appear to be dependent on cases with low total gray matter volume. The results are considered in the context of genetics studies linking orbitofrontal and superior temporal sulcus regions to alleles that confer risk for reading disability.

  17. Textbook presentations of weight: Conceptual difficulties and language ambiguities

    NASA Astrophysics Data System (ADS)

    Taibu, Rex; Rudge, David; Schuster, David

    2015-06-01

    The term "weight" has multiple related meanings in both scientific and everyday usage. Even among experts and in textbooks, weight is ambiguously defined as either the gravitational force on an object or operationally as the magnitude of the force an object exerts on a measuring scale. This poses both conceptual and language difficulties for learners, especially for accelerating objects where the scale reading is different from the gravitational force. But while the underlying physical constructs behind the two referents for the term weight (and their relation to each other) are well understood scientifically, it is unclear how the concept of weight should be introduced to students and how the language ambiguities should be dealt with. We investigated treatments of weight in a sample of twenty introductory college physics textbooks, analyzing and coding their content based on the definition adopted, how the distinct constructs were dealt with in various situations, terminologies used, and whether and how language issues were handled. Results indicate that language-related issues, such as different, inconsistent, or ambiguous uses of the terms weight, "apparent weight," and "weightlessness," were prevalent both across and within textbooks. The physics of the related constructs was not always clearly presented, particularly for accelerating bodies such as astronauts in spaceships, and the language issue was rarely addressed. Our analysis of both literature and textbooks leads us to an instructional position which focuses on the physics constructs before introducing the term weight, and which explicitly discusses the associated language issues.

  18. Analysis of the Herschel/HIFI 1.2 THz Wide Spectral Survey of the Orion Kleinmann-Low Nebula

    NASA Astrophysics Data System (ADS)

    Crockett, Nathan R.

    This dissertation presents a comprehensive analysis of a broad band spectral line survey of the Orion Kleinmann-Low nebula (Orion KL), one of the most chemically rich regions in the Galaxy, using the HIFI instrument on board the Herschel Space Observatory. This survey spans a frequency range from 480 to 1907 GHz at a resolution of 1.1 MHz. These observations thus encompass the largest spectral coverage ever obtained toward this massive star forming region in the sub-mm with high spectral resolution, and include frequencies >1 THz where the Earth's atmosphere prevents observations from the ground. In all, we detect emission from 36 molecules (76 isotopologues). Combining this dataset with ground based mm spectroscopy obtained with the IRAM 30 m telescope, we model the molecular emission assuming local thermodynamic equilibrium (LTE). Because of the wide frequency coverage, our models are constrained over an unprecedented range in excitation energy, including states at or close to ground up to energies where emission is no longer detected. A χ2 analysis indicates that most of our models reproduce the observed emission well. In particular complex organics, some with thousands of transitions, are well fit by LTE models implying that gas densities are high (>10^6 cm^-3) and excitation temperatures and column densities are well constrained. Molecular abundances are computed using H2 column densities also derived from the HIFI survey. The rotation temperature distribution of molecules detected toward the hot core is much wider relative to the compact ridge, plateau, and extended ridge. We find that complex N-bearing species, cyanides in particular, systematically probe hotter gas than complex O-bearing species. This indicates complex N-bearing molecules may be more difficult to remove from grain surfaces or that hot gas phase formation routes are important for these species. We also present a detailed non-LTE analysis of H2S emission toward the hot core which suggests

  19. Domain wall and bifurcation analysis of the Klein-Gordon Zakharov equation in (1+2)-dimensions with power law nonlinearity.

    PubMed

    Song, Ming; Ahmed, Bouthina S; Zerrad, Essaid; Biswas, Anjan

    2013-09-01

    This paper studies the Klein-Gordon Zakharov equation with power law nonlinearity in (1+2)-dimensions. The ansatz method will be applied to obtain the 1-soliton solution, also known as domain wall solution, along with several constraint conditions that naturally fall out. Subsequently, the bifurcation analysis is carried out where the phase portrait is given. Additionally, this analysis leads to several solutions to the equation with the traveling wave scheme. This gives soliton solution as well as singular periodic solutions. Finally, the numerical simulations for the domain wall solution were obtained where the finite difference scheme is applied.

  20. Cloning and expression analysis of recombination activating genes (RAG1/2) in red snapper (Lutjanus sanguineus).

    PubMed

    Zhang, X L; Lu, Y S; Jian, J C; Wu, Z H

    2012-04-01

    Recombination activating genes (RAG1 and RAG2), involved in the V(D)J recombination of immunoglobulin and T-cell receptor genes play a crucial role in the adaptive immune response in vertebrates. The expression of these genes was required for the proper development and maturity of lymphocytes so that they can be used as useful markers to evaluate the development of lymphoid organ. In this paper, the cDNA of RAG1 and RAG2 in red snapper, Lutjanus sanguineus were cloned by homological cloning and rapid amplification of cDNA ends (RACE) methods. Results showed the full length of RAG1 cDNA was 3944 bp, containing a 5' untranslated region (UTR) of 200 bp, a 3'-UTR of 561 bp and an open reading frame of 3183 bp encoding 1060 amino acids. Three important structural motifs, a RING/U-box domain, a RING/FYVE/PHD-type domain and a RAG Nonamer-binding domain were detected in the deduced amino acid sequence of RAG1 by InterProScan analysis. The full length of RAG2 cDNA was 2200 bp, consisting of a 141 bp 5'-UTR, a 457 bp 3'-UTR and an open reading frame of 1602 bp encoding 533 amino acids. Two important structural motifs, a Galactose oxidase/kelch, beta-propeller domain and a kelch-type beta-propeller domain were detected in the deduced amino acid sequence of RAG2 by InterProScan analysis. BLAST analysis revealed that the RAG1 and RAG2 in red snapper shared a high homology with other known RAG1 and RAG2 genes, while the greatest degree of identity was observed with Hippoglossus hippoglossus RAG1 at 82% and Takifugu rubripes RAG2 at 87%, respectively. The differential expressions of RAG1 and RAG2 in various tissues of red snapper were analyzed by fluorescent quantitative real-time PCR. The overall expression pattern of the two genes was quite similar. In healthy red snappers, the RAGs transcripts were mainly detected in thymus, following head kidney, spleen, intestine, liver and brain. After vaccinated with inactivated Vibrio alginolyticus 48 h later, the RAGs m

  1. Curriculum and Textbooks: A Happy Marriage?

    ERIC Educational Resources Information Center

    Vann, Allan S.

    1994-01-01

    Many classroom teachers and administrators ignore state education departments' curriculum guides and depend heavily on textbooks. Curriculum committees should devote considerable time to textbook review so that teachers have opportunity to examine books from many publishers or create their own units. Principals and supervisors must share…

  2. Released Textbooks, Films and Other Teaching Materials.

    ERIC Educational Resources Information Center

    National Science Foundation, Washington, DC.

    Some course and curriculum improvement projects funded by the National Science Foundation have produced definitive editions of textbooks, other printed materials, and instructional films. This bulletin lists materials available in 1968 through commercial or college and university sources. The publications include textbooks, laboratory guides,…

  3. Needed: A Single Electronic Source for Textbooks

    ERIC Educational Resources Information Center

    Storch, Joseph

    2009-01-01

    Students still obtain most educational content through textbooks and other printed materials. But as technology has changed, they are able to gain access to more of that content digitally, and often illegally. As textbook costs have increased, students have begun scanning and illegally sharing books over peer-to-peer file-sharing networks to save…

  4. Educators Weigh E-Textbook Cost Comparisons

    ERIC Educational Resources Information Center

    Tomassini, Jason

    2012-01-01

    During the first-ever Digital Learning Day, U.S. Secretary of Education Arne Duncan and Federal Communications Commission chief Julius Genachowski unveiled an ambitious plan earlier this year to get schools to switch from print to digital textbooks by 2017. Dubbed the Digital Textbook Playbook, it's a recommendation for how schools could transform…

  5. The Nature and Implication of Textbook Bias.

    ERIC Educational Resources Information Center

    Parsons, Jim

    Savage, blood-thirsty, drunk, monosyllabic, naked, and primitive are the stereotypes of Native Americans in textbooks. These stereotypes are so pervasive that they tend to be accepted uncritically by the rest of society. The evidence suggests that many textbooks are biased and, in a large number of cases, outright racist. The concept of "errors by…

  6. Communicating Physics and the Design of Textbooks.

    ERIC Educational Resources Information Center

    Barojas, Jorge; Trigueros, Maria

    1991-01-01

    The planning of an introductory calculus textbook in classical mechanics is shown as an example of an approach to textbook design that uses four main cognitive categories: sources of learning, instruments of learning, processes of knowing, and mechanisms of knowing. The aspects, domains, description, and elements of each section of the textbook…

  7. Improving the Textbook Adoption Process in Taiwan

    ERIC Educational Resources Information Center

    Ho, Hsuan-fu; Hsu, Ying-tsun

    2011-01-01

    Textbooks were centrally selected in Taiwan until 1996 when the government commissioned its Textbook Liberalization Reform. Although this policy received complements from scholars and the general public, it encounters many unexpected problems in its implementation. The aims of this research are thus to identify the major criteria used by…

  8. New Edition of Chinese Biochemistry Textbook.

    ERIC Educational Resources Information Center

    Jian-Chuan, Ma

    1988-01-01

    Discusses the four previous editions of the biochemistry medical textbooks called the "Nationwide Unified Textbooks." Notes the new (1989) edition is much smaller, is organized differently, has new material, has a reorganized Dynamic Biochemistry core, and shows great importance to clinical biochemistry. (MVL)

  9. Uncovering Conceptual Gaps in Introductory IS Textbooks

    ERIC Educational Resources Information Center

    Hassan, Nik R.; Becker, Jack D.

    2007-01-01

    This study performs an exploration of the relationship between introductory IS textbooks and the body of knowledge represented by the set of "super classic" IS publications. Textbooks play a critical role of introducing the IS field to IS majors, describing what constitutes mainstream IS knowledge and communicating to other disciplines and their…

  10. E-Textbooks and Students' Learning Experiences

    ERIC Educational Resources Information Center

    Sun, Jun; Flores, Javier; Tanguma, Jesus

    2012-01-01

    The contribution of the e-textbooks can be enormous considering their additional supporting features, but adoption has not crystallized yet. This study examines the relevant experiences of college students in terms of how the use of e-textbooks may enhance their learning. A survey study was conducted to measure the perceptions of each student on…

  11. Using Textbooks Effectively. TESOL Classroom Practice Series

    ERIC Educational Resources Information Center

    Savova, Lilia, Ed.

    2009-01-01

    This volume in the TESOL Classroom Practice Series asks one fundamental question, "How can teachers teach the students, not the book?" The response, given within "Using Textbooks Effectively", is to move beyond the textbook as a separate entity and view it instead as part of the ESOL curriculum process and as a tool for student learning. The…

  12. New Ideologies in Postcommunist Russian Textbooks.

    ERIC Educational Resources Information Center

    Lisovskaya, Elena; Karpov, Vyacheslav

    1999-01-01

    Explores patterns of recent ideological changes in the content of 12 Russian secondary school textbooks in the social sciences and humanities. Shows that textbook content has shifted from a consistent representation of key dogmas of Marxism-Leninism toward a contradictory combination of the ideological symbols of nationalism, Westernism, and…

  13. Nursing textbooks need to inform about spirituality.

    PubMed

    2016-09-21

    Considering the spiritual needs of patients is an important aspect of holistic patient care. However, many nurses lack knowledge and awareness of the subject, and spirituality is not strongly featured as a key part of holistic care in core nursing textbooks. The author argues that guidance given by nursing textbooks needs to be more applicable to practice. PMID:27654568

  14. Comparative Review of Elementary Social Studies Textbooks.

    ERIC Educational Resources Information Center

    Waters, Barbara A.

    Four elementary social studies textbook series are reviewed and compared with particular attention paid to the extent to which the textbooks are globally oriented. The trend of emphasizing global education in the social studies also is discussed. As used in this paper, "global education" includes the study of world geography, world history, and…

  15. Black Chronicle: An American History Textbook Supplement.

    ERIC Educational Resources Information Center

    Kailin, Clarence S.; Sylvester, Mary Jean, Ed.

    The chronicle provides an accurate and balanced representation of the history of the black experience in an effort to counteract misinformation presented in most textbooks. American history textbooks used in Wisconsin school districts ignore or distort the cultural experiences and contributions of blacks, often omitting important information,…

  16. "Essential Principles of Economics:" A Hypermedia Textbook.

    ERIC Educational Resources Information Center

    McCain, Roger A.

    2000-01-01

    Discusses an electronic textbook called "Essential Principles of Economics." Explains that economic concepts are found by following links from the table of contents, while each chapter includes both expository information and interactive material including online multiple-choice drill questions. States that the textbook is a "work in progress."…

  17. Open-Access Electronic Textbooks: An Overview

    ERIC Educational Resources Information Center

    Ovadia, Steven

    2011-01-01

    Given the challenging economic climate in the United States, many academics are looking to open-access electronic textbooks as a way to provide students with traditional textbook content at a more financially advantageous price. Open access refers to "the free and widely available information throughout the World Wide Web. Once an article's author…

  18. Diminishing Marginal Utility in Economics Textbooks

    ERIC Educational Resources Information Center

    Dittmer, Timothy

    2005-01-01

    Many introductory microeconomics textbook authors derive the law of demand from the assumption of diminishing marginal utility. Authors of intermediate and graduate textbooks derive demand from diminishing marginal rate of substitution and ordinal preferences. These approaches are not interchangeable; diminishing marginal utility for all goods is…

  19. A Consumer's Guide to Biology Textbooks 1985.

    ERIC Educational Resources Information Center

    Moyer, Wayne A.; Mayer, William V.

    Presented are critical reviews of 18 biology textbooks submitted for consideration by the Texas State Board of Education during 1984. These reviews are provided in three categories: (1) general biology textbooks: "Biology and Human Progress"--Prentice Hall; "Scott, Foresman Life Science"--Scott, Foresman; "Living Things"--Holt, Rinehart, and…

  20. Providing Online Textbooks to the Developing World

    ERIC Educational Resources Information Center

    Foster, Andrea L.

    2008-01-01

    Learning is valuable, but in Africa it is more than that: It is prohibitively expensive. In Ethiopia, where the per-capita income is about $100 a year, a single textbook at Addis Ababa University can cost $50. To get more textbooks to students in developing nations, two people are leading an ambitious project to produce and freely distribute 1,000…

  1. MMP1, 2, 3, 7, and 9 Gene Polymorphisms and Urinary Cancer Risk: A Meta-Analysis

    PubMed Central

    Li, Zuo; Lin, Li; Lei, Yin; Hongyuan, Yu; Hongwei, Jing; Yang, Liu; Chuize, Kong

    2015-01-01

    Background: The matrix metalloproteinases (MMPs) are a family of highly conserved, metal-dependent proteolytic enzymes that play an important role in tumor invasion and metastasis. Many studies have been carried out on the association between polymorphisms in the MMP1, MMP2, MMP3, MMP7, and MMP9 genes and urinary cancer risk. However, the data from these published studies are conflicting and have low statistical power. Methods: In this study, we performed a meta-analysis of 12 different publications from the PubMed and WanFang databases, published up to May 2015, to better assess the purported associations. Odds ratios (OR) and 95% confidence intervals (CI) were determined to reveal association strengths. Results: Some significant associations were found. For the MMP1 -1607 1G/2G polymorphism, a negative association was identified for the 2G allele in bladder cancer (2G2G+2G1G vs. 1G1G: OR = 0.57, 95% CI = 0.36–0.93, pheterogeneity = 0.001) and renal cell carcinoma (2G1G vs. 1G1G: OR = 0.57, 95% CI = 0.39–0.82, pheterogeneity = 0.567). For the MMP2 -1306 C/T polymorphism, there was a negative association with the T allele for bladder cancer in the Asian population (TT+TC vs. CC: OR = 0.41, 95% CI = 0.18–0.94, pheterogeneity = 0.195). For the MMP7 -181 A/G polymorphism, a decreased bladder cancer risk was found (G-allele vs. A-allele: OR = 0.81, 95% CI = 0.66–0.98, pheterogeneity = 0.325). Conclusion: In summary, our study showed evidence that genetic polymorphisms in MMP1 for all populations, but only in the Asian population for MMP2 and MMP7, may protect against bladder cancer risk. Future studies with larger sample sizes are warranted to further evaluate these associations in more detail. PMID:26301605

  2. Coverage of child maltreatment in abnormal psychology textbooks: Reviewing the adequacy of the content.

    PubMed

    Wilgus, Sam J; Packer, Mary M; Lile-King, Rachel; Miller-Perrin, Cindy L; Brand, Bethany L

    2016-03-01

    Abnormal psychology courses introduce undergraduate students to the range, causes, and treatments of psychological disorders. These courses present important opportunities to instruct students about disorders and treatments associated with childhood maltreatment (CM) as well as its prevalence. Little research has examined the adequacy with which abnormal psychology textbooks present information about CM. The present study reviewed the CM content of 10 abnormal psychology textbooks. The content was assessed in terms of the number of times CM was mentioned, the number of psychological disorders linked to CM, and the number of CM-related research citations. In addition, the authors conducted a content analysis to examine the significance, depth of detail, and organizational structure of the information provided within the sections of text addressing CM. There were significant differences in scores and the accuracy of coverage of CM across textbooks. Most of the textbooks lack key information on CM. The information presented in many textbooks is not consistent with current research and is overly focused on controversies. These findings are concerning because research has linked many psychological disorders and problematic outcomes to CM, but this information is not adequately conveyed to students via abnormal psychology textbooks. The authors make recommendations for improving the coverage of CM in abnormal psychology textbooks.

  3. Health Education in Primary School Textbooks in Iran in School Year 2010–2011

    PubMed Central

    Kazemian, Reza; Ghasemi, Hadi; Movahhed, Taraneh; Kazemian, Ali

    2014-01-01

    Objectives: Health education in schools is one of the most effective ways of promoting health in a society. Studies have shown the effectiveness of health interventions aimed at improving students’ knowledge, attitude, and behaviors about health issues. The aim of this study was to evaluate health issues in primary school textbooks in Iran. Materials and Methods: In school year 2010–2011, the contents of all primary school textbooks in Iran were assessed in accordance to their health-related teachings. Health lessons of these 27 textbooks in the form of picture and text were retrieved and analyzed using content analysis method. Results: In total, 502 health-related lessons were found. The textbooks of the third grade contained the highest (144) and those of the fourth grade had the lowest (26) number of health lessons. Among health-related issues, the largest number (87) of lessons were about personal hygiene, while prevention of high risk behaviors comprised the least number (8). Some important health issues such as nutrition, oral health, and prevention of high-risk behaviors were not adequately discussed in the textbooks. Conclusion: The potential of primary school textbooks in delivering health messages has been neglected in Iran. Taking the critical importance of school ages into account, incorporating health issues in textbooks should be more strongly emphasized. PMID:25628680

  4. Coverage of child maltreatment in abnormal psychology textbooks: Reviewing the adequacy of the content.

    PubMed

    Wilgus, Sam J; Packer, Mary M; Lile-King, Rachel; Miller-Perrin, Cindy L; Brand, Bethany L

    2016-03-01

    Abnormal psychology courses introduce undergraduate students to the range, causes, and treatments of psychological disorders. These courses present important opportunities to instruct students about disorders and treatments associated with childhood maltreatment (CM) as well as its prevalence. Little research has examined the adequacy with which abnormal psychology textbooks present information about CM. The present study reviewed the CM content of 10 abnormal psychology textbooks. The content was assessed in terms of the number of times CM was mentioned, the number of psychological disorders linked to CM, and the number of CM-related research citations. In addition, the authors conducted a content analysis to examine the significance, depth of detail, and organizational structure of the information provided within the sections of text addressing CM. There were significant differences in scores and the accuracy of coverage of CM across textbooks. Most of the textbooks lack key information on CM. The information presented in many textbooks is not consistent with current research and is overly focused on controversies. These findings are concerning because research has linked many psychological disorders and problematic outcomes to CM, but this information is not adequately conveyed to students via abnormal psychology textbooks. The authors make recommendations for improving the coverage of CM in abnormal psychology textbooks. PMID:26010115

  5. Folk Dress, Fiestas, and Festivals: How Is Mexico Portrayed in U.S. Primary Grade Social Studies Textbooks?

    ERIC Educational Resources Information Center

    Field, Sherry L.; Bauml, Michelle; Wilhelm, Ron W.; Jenkins, Joelle

    2012-01-01

    This qualitative content analysis was conducted to determine how Mexico and Mexican people are portrayed in contemporary U.S. elementary social studies textbooks. Three textbooks from each of three major publishers were analyzed. Findings are presented in five sections: images and photographs, holidays, Mexican people and heroes, contested…

  6. Discourse Roles, Gender and Language Textbook Dialogues: Who Learns What from John and Sally? Working Paper Series.

    ERIC Educational Resources Information Center

    Jones, Martha; And Others

    A study analyzed gender bias in dialogues as presented in three recent, popular textbooks designed for early intermediate or intermediate English-as-a-Second-Language (ESL) instruction. Analysis focused on dialogues intended for practice in speaking. For each textbook, data were gathered on: different male and female character types; number and…

  7. Orientalism(s), World Geography Textbooks, and Temporal Paradox: Questioning Representations of Southwest Asia and North Africa

    ERIC Educational Resources Information Center

    Zagumny, Lisa; Richey, Amanda B.

    2013-01-01

    In this critical discourse analysis of six high-school world geography textbooks, we explore how constructions and representations of North Africa and Southwest Asia have served to reinforce Orientalist discourse in formal curriculum. Visual and written representations in these textbooks were overwhelmingly confounded by a traditional/modern…

  8. Methodology of Leaving America for Asia: Reading South Korea's Social Studies Textbooks through Chen Kuan-Hsing's Asia as Method

    ERIC Educational Resources Information Center

    Rhee, Jeong-eun

    2013-01-01

    This project began as a content analysis of five South Korean high school Social Studies textbooks. Yet, it has evolved into an epistemological experiment to pursue the question of "what does it mean to leave America for Asia, at least methodologically, for the researcher who left Asia for America?" Using the textbooks as a mediating…

  9. English as a Multicultural Language: Implications from a Study of Japan's Junior High Schools' English Language Textbooks

    ERIC Educational Resources Information Center

    Yamada, Mieko

    2010-01-01

    Applying Kachru and Nelson's model of English spread and their categorisation into Inner/Outer/Expanding Circles, this content analysis of English as a Foreign Language textbooks used in Japanese junior high schools investigates which countries were introduced and further studies how Japan's domestic diversity was constructed in those textbooks.…

  10. Adaptations and Continuities in the Use and Design of Visual Representations in US Middle School Science Textbooks

    ERIC Educational Resources Information Center

    Lee, Victor R.

    2010-01-01

    Visual representations are ubiquitous in modern-day science textbooks and have in recent years become an object of criticism and scrutiny. This article examines the extent to which changes in representations in textbooks published in the USA over the past six decades have invited those critiques. Drawing from a correlational analysis of a corpus…

  11. Company's Unusual Plan to Package Commercial Software with Business Textbooks Produces a Measure of Success.

    ERIC Educational Resources Information Center

    Watkins, Beverly T.

    1992-01-01

    Course Technology Inc. has developed 10 products combining textbooks with commercial software for college accounting, business, computer science, and statistics courses. Five of the products use Lotus 1-2-3 spreadsheet software. The products have been positively received by teachers and students. (DB)

  12. Scientific and Technical Chinese, Volume I. A Textbook of Twenty-One Lessons and Supplementary Readings.

    ERIC Educational Resources Information Center

    Kao, Kung-yi; And Others

    An intermediate-level textbook intended for those who have had at least 2 1/2 years of Chinese language study is presented. The objective of the text is to assist in developing the reading and conversational skills required for dealing with general topics in the pure and applied sciences. Common terms and concepts from three general fields (Life…

  13. Voluntary childlessness in marriage and family textbooks, 1950-2000.

    PubMed

    Chancey, L; Dumais, S A

    2009-04-01

    We perform a content analysis of twenty marriage and family textbooks published between 1950 and 2000 to study how the voluntarily childless are presented in undergraduate courses. Throughout the time period studied, independence, pursuit of a career, and romance were prominent themes in the representation of voluntary childlessness. Other themes emerged specific to each decade - the 1950s portrayed parenthood as a challenge, while the 1990s concentrated on alleviating negative stereotypes of the voluntarily childless.

  14. Voluntary childlessness in marriage and family textbooks, 1950-2000.

    PubMed

    Chancey, L; Dumais, S A

    2009-04-01

    We perform a content analysis of twenty marriage and family textbooks published between 1950 and 2000 to study how the voluntarily childless are presented in undergraduate courses. Throughout the time period studied, independence, pursuit of a career, and romance were prominent themes in the representation of voluntary childlessness. Other themes emerged specific to each decade - the 1950s portrayed parenthood as a challenge, while the 1990s concentrated on alleviating negative stereotypes of the voluntarily childless. PMID:19618557

  15. Pharmacokinetic analysis of trichloroethylene metabolism in male B6C3F1 mice: Formation and disposition of trichloroacetic acid, dichloroacetic acid, S-(1,2-dichlorovinyl)glutathione and S-(1,2-dichlorovinyl)-L-cysteine

    SciTech Connect

    Kim, Sungkyoon; Kim, David; Pollack, Gary M.; Collins, Leonard B.; Rusyn, Ivan

    2009-07-01

    Trichloroethylene (TCE) is a well-known carcinogen in rodents and concerns exist regarding its potential carcinogenicity in humans. Oxidative metabolites of TCE, such as dichloroacetic acid (DCA) and trichloroacetic acid (TCA), are thought to be hepatotoxic and carcinogenic in mice. The reactive products of glutathione conjugation, such as S-(1,2-dichlorovinyl)-L-cysteine (DCVC), and S-(1,2-dichlorovinyl) glutathione (DCVG), are associated with renal toxicity in rats. Recently, we developed a new analytical method for simultaneous assessment of these TCE metabolites in small-volume biological samples. Since important gaps remain in our understanding of the pharmacokinetics of TCE and its metabolites, we studied a time-course of DCA, TCA, DCVG and DCVG formation and elimination after a single oral dose of 2100 mg/kg TCE in male B6C3F1 mice. Based on systemic concentration-time data, we constructed multi-compartment models to explore the kinetic properties of the formation and disposition of TCE metabolites, as well as the source of DCA formation. We conclude that TCE-oxide is the most likely source of DCA. According to the best-fit model, bioavailability of oral TCE was {approx} 74%, and the half-life and clearance of each metabolite in the mouse were as follows: DCA: 0.6 h, 0.081 ml/h; TCA: 12 h, 3.80 ml/h; DCVG: 1.4 h, 16.8 ml/h; DCVC: 1.2 h, 176 ml/h. In B6C3F1 mice, oxidative metabolites are formed in much greater quantities ({approx} 3600 fold difference) than glutathione-conjugative metabolites. In addition, DCA is produced to a very limited extent relative to TCA, while most of DCVG is converted into DCVC. These pharmacokinetic studies provide insight into the kinetic properties of four key biomarkers of TCE toxicity in the mouse, representing novel information that can be used in risk assessment.

  16. Textbook Stickers: A Reasonable Response to Evolution?

    NASA Astrophysics Data System (ADS)

    Borenstein, Jason

    2008-09-01

    Debates concerning how the issue of human life’s origins should be handled within the confines of American public schools still continue. In order to mitigate the impact that evolution has on students, some school boards and state legislatures have recommended that stickers voicing a disclaimer about evolution be placed in biology textbooks. Even though supporters maintain that textbook stickers promote good science, this kind of approach invariably raises the concern that public education might be unduly intertwined with religion. In this article, it is argued that regardless of whether a textbook sticker can pass constitutional scrutiny, the use of such a sticker is a flawed approach to science education.

  17. Gaia Theory in Brazilian High School Biology Textbooks

    NASA Astrophysics Data System (ADS)

    Do Carmo, Ricardo Santos; Nunes-Neto, Nei Freitas; El-Hani, Charbel Niño

    2009-04-01

    Gaia theory proposes that a cybernetic system including the biota and the physicochemical environment regulates environmental variables at a global scale, keeping them within a range that makes Earth inhabitable by living beings. One can argue that this theory can play an important role in school science, since it bears upon current environmental problems, contributes to cross-disciplinary learning, and may help students understand the nature of science. Nevertheless, discourses about Gaia include both scientific and non-scientific ideas, and, consequently, this theory has been seen as pseudoscience, or even antiscience, as an unwarranted view, entangled with mysticism. But an informed view about the contributions and risks associated with Gaia as part of science education depends on a general analysis about the treatment of this theory in school knowledge. Here, we offer the first analysis of this sort, critically evaluating how Gaia is addressed in a representative sample of Brazilian textbooks ( n = 18). We present data about the presence or not of Gaia theory among the contents covered by the textbooks, the presence of the claim that Earth is living, whether and how they use analogies to justify this claim, the discussion of evidence for and against Gaia, and the treatment of its relevance to current issues. Gaia theory is explicitly addressed in ca. 39% of the analyzed textbooks. There is a general script that the textbooks that explicitly name the theory follow when discussing Gaia. First, they argue that life affects the environment, and support this argument by means of examples, then, explain what the Gaia theory proposes, discuss evidence in favor either of the idea that Earth is living or Gaia theory in general, introduce one or more analogies to justify the claim of a living Earth, and, finally, offer remarks on the current importance of Gaia. Three analogies used by Lovelock himself were found in the analyzed textbooks, Gaia as a superorganism, the

  18. Methods of Use of an Online Economics Textbook

    ERIC Educational Resources Information Center

    Miller, Jon R.; Baker-Eveleth, Lori

    2010-01-01

    The rising cost of college textbooks over the last decade provides an opportunity for alternatives. Electronic or online textbooks are an effective substitute to the traditional paper-based textbooks, although students have been slow to transition to the new method. A custom, professor-written online textbook not only addresses the reduction in…

  19. Introductory Business Textbook Revision Cycles: Are They Getting Shorter?

    ERIC Educational Resources Information Center

    Zinser, Brian; Brunswick, Gary

    2010-01-01

    The rate of textbook revision cycles is examined in light of the recent trend towards more rapid revisions (and adoptions of textbooks). The authors conduct background research to better understand the context for textbook revision cycles and the environmental forces that have been influencing what appears to be more rapid textbook revisions. A…

  20. Effectiveness of Electronic Textbooks with Embedded Activities on Student Learning

    ERIC Educational Resources Information Center

    Porter, Paula L.

    2010-01-01

    Current versions of electronic textbooks mimic the format and structure of printed textbooks; however, the electronic capabilities of these new versions of textbooks offer the potential of embedding interactive features of web-based learning within the context of a textbook. This dissertation research study was conducted to determine if student…

  1. Effects of E-Textbook Instructor Annotations on Learner Performance

    ERIC Educational Resources Information Center

    Dennis, Alan R.; Abaci, Serdar; Morrone, Anastasia S.; Plaskoff, Joshua; McNamara, Kelly O.

    2016-01-01

    With additional features and increasing cost advantages, e-textbooks are becoming a viable alternative to paper textbooks. One important feature offered by enhanced e-textbooks (e-textbooks with interactive functionality) is the ability for instructors to annotate passages with additional insights. This paper describes a pilot study that examines…

  2. Teachers' Use of Textbooks: Practice in Namibian Science Classrooms.

    ERIC Educational Resources Information Center

    Lubben, Fred; Campbell, Bob; Kasanda, Choshi; Kapenda, Hileni; Gaoseb, Noah; Kandjeo-Marenga, Utji

    2003-01-01

    Presents the results of a study that focused on incidences of prescribed textbook usage in Namibian science classrooms. Indicates teacher dominated textbook use and restricted range of textbook references per lesson. States that the teachers used textbooks for diagrams and data and to verify factual information. (CMK)

  3. One College's Use of an Open Psychology Textbook

    ERIC Educational Resources Information Center

    Hilton, John, III; Laman, Carol

    2012-01-01

    The high cost of textbooks is of concern not only to college students but also to society as a whole. Open textbooks promise the same educational benefits as traditional textbooks; however, their efficacy remains largely untested. We report on a case study about one community college's adoption of a free online psychology textbook. During the fall…

  4. A Campus-Wide E-Textbook Initiative

    ERIC Educational Resources Information Center

    Rickman, Jon T.; Von Holzen, Roger; Klute, Paul G.; Tobin, Teri

    2009-01-01

    At most universities a student typically goes to a bookstore to purchase the textbook recommended by the professor for a course. The student may choose to purchase a new or used textbook, or, as occurs more frequently now, an e-textbook. Nearly 40% of college students choose not to purchase textbooks at all, however, due to the costs. Generally,…

  5. Are U.S. Textbooks Right about the Religious Right?

    ERIC Educational Resources Information Center

    Romanowski, Michael H.

    Current history textbooks include Christianity when discussing U.S. history. A study systematically examined the content of 10 secondary U.S. history textbooks to evaluate how Christianity is portrayed. Selection of the textbooks was based upon information supplied by the Texas Education Agency and the American Textbook Council and represented the…

  6. Journey to Textbook Affordability: An Investigation of Students' Use of eTextbooks at Multiple Campuses

    ERIC Educational Resources Information Center

    Baek, Eun-Ok; Monaghan, James

    2013-01-01

    eTextbooks have steadily and recently more rapidly penetrated the textbook market. In order to effectively support students' learning, it is important to comprehend students' experiences using eTextbooks. This survey study was designed to gain an understanding of students' experiences in using eTextbooks and variables that impact…

  7. Identifying User Interaction Patterns in E-Textbooks

    PubMed Central

    Saarinen, Santeri; Heimonen, Tomi; Turunen, Markku; Mikkilä-Erdmann, Mirjamaija; Raisamo, Roope; Erdmann, Norbert; Yrjänäinen, Sari; Keskinen, Tuuli

    2015-01-01

    We introduce a new architecture for e-textbooks which contains two navigational aids: an index and a concept map. We report results from an evaluation in a university setting with 99 students. The interaction sequences of the users were captured during the user study. We found several clusters of user interaction types in our data. Three separate user types were identified based on the interaction sequences: passive user, term clicker, and concept map user. We also discovered that with the concept map interface users started to interact with the application significantly sooner than with the index interface. Overall, our findings suggest that analysis of interaction patterns allows deeper insights into the use of e-textbooks than is afforded by summative evaluation. PMID:26605377

  8. 1,2-Dichloroethane

    Integrated Risk Information System (IRIS)

    1,2 - Dichloroethane ; CASRN 107 - 06 - 2 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data , as outlined in the IRIS assessment development process . Sections I ( Health Hazard Assessments for Noncarcinoge

  9. 1,2-Dichloropropane

    Integrated Risk Information System (IRIS)

    1,2 - Dichloropropane ; CASRN 78 - 87 - 5 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data , as outlined in the IRIS assessment development process . Sections I ( Health Hazard Assessments for Noncarcinoge

  10. 1,2-Dichlorobenzene

    Integrated Risk Information System (IRIS)

    1,2 - Dichlorobenzene ; CASRN 95 - 50 - 1 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data , as outlined in the IRIS assessment development process . Sections I ( Health Hazard Assessments for Noncarcinoge

  11. 1,2-Diphenylhydrazine

    Integrated Risk Information System (IRIS)

    1,2 - Diphenylhydrazine ; CASRN 122 - 66 - 7 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data , as outlined in the IRIS assessment development process . Sections I ( Health Hazard Assessments for Noncarcin

  12. 1,2-Dibromoethane

    Integrated Risk Information System (IRIS)

    1,2 - Dibromoethane ; CASRN 106 - 93 - 4 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data , as outlined in the IRIS assessment development process . Sections I ( Health Hazard Assessments for Noncarcinogen

  13. Nursing Student Perceptions of Digital Textbooks: A Pilot Study.

    PubMed

    Mennenga, Heidi A

    2016-01-01

    Digital textbooks are increasing in popularity, often resulting from the perception that students demand the use of technology in academics. However, few studies have been done on student perceptions of digital textbooks. A pilot study was conducted with students enrolled in a nursing research course; 123 nursing students participated. This study found that students overwhelmingly preferred print textbooks over digital textbooks. More research needs to be done before assuming students would prefer digital textbooks over print.

  14. Nursing Student Perceptions of Digital Textbooks: A Pilot Study.

    PubMed

    Mennenga, Heidi A

    2016-01-01

    Digital textbooks are increasing in popularity, often resulting from the perception that students demand the use of technology in academics. However, few studies have been done on student perceptions of digital textbooks. A pilot study was conducted with students enrolled in a nursing research course; 123 nursing students participated. This study found that students overwhelmingly preferred print textbooks over digital textbooks. More research needs to be done before assuming students would prefer digital textbooks over print. PMID:27209871

  15. Quantitative phosphoproteomic analysis reveals γ-bisabolene inducing p53-mediated apoptosis of human oral squamous cell carcinoma via HDAC2 inhibition and ERK1/2 activation.

    PubMed

    Jou, Yu-Jen; Chen, Chao-Jung; Liu, Yu-Ching; Way, Tzong-Der; Lai, Chih-Ho; Hua, Chun-Hung; Wang, Ching-Ying; Huang, Su-Hua; Kao, Jung-Yie; Lin, Cheng-Wen

    2015-10-01

    γ-Bisabolene, one of main components in cardamom, showed potent in vitro and in vivo anti-proliferative activities against human oral squamous cell carcinoma (OSCC). γ-Bisabolene activated caspases-3/9 and decreased mitochondrial memebrane potential, leading to apoptosis of OSCC cell lines (Ca9-22 and SAS), but not normal oral fibroblast cells. Phosphoproteome profiling of OSCC cells treated with γ-bisabolene was identified using TiO2-PDMS plate and LC-MS/MS, then confirmed using Western blotting and real-time RT-PCR assays. Phosphoproteome profiling revealed that γ-bisabolene increased the phosphorylation of ERK1/2, protein phosphatases 1 (PP1), and p53, as well as decreased the phosphorylation of histone deacetylase 2 (HDAC2) in the process of apoptosis induction. Protein-protein interaction network analysis proposed the involvement of PP1-HDAC2-p53 and ERK1/2-p53 pathways in γ-bisabolene-induced apoptosis. Subsequent assays indicated γ-bisabolene eliciting p53 acetylation that enhanced the expression of p53-regulated apoptotic genes. PP1 inhibitor-2 restored the status of HDAC2 phosphorylation, reducing p53 acetylation and PUMA mRNA expression in γ-bisabolene-treated Ca9-22 and SAS cells. Meanwhile, MEK and ERK inhibitors significantly decreased γ-bisabolene-induced PUMA expression in both cancer cell lines. Notably, the results ascertained the involvement of PP1-HDAC2-p53 and ERK1/2-p53 pathways in mitochondria-mediated apoptosis of γ-bisabolene-treated cells. This study demonstrated γ-bisabolene displaying potent anti-proliferative and apoptosis-inducing activities against OSCC in vitro and in vivo, elucidating molecular mechanisms of γ-bisabolene-induced apoptosis. The novel insight could be useful for developing anti-cancer drugs. PMID:26194454

  16. Helping College Students Understand Their Textbooks

    ERIC Educational Resources Information Center

    Basile, Donald D.

    1978-01-01

    Suggests that college reading instructors should use an integrated approach (rather than a series of activities) to teach textbook reading and discusses previewing, reading for meaning, paraphrasing, analyzing, and reviewing. (JM)

  17. Statistical Content in Middle Grades Mathematics Textbooks

    ERIC Educational Resources Information Center

    Pickle, Maria Consuelo Capiral

    2012-01-01

    This study analyzed the treatment and scope of statistical concepts in four, widely-used, contemporary, middle grades mathematics textbook series: "Glencoe Math Connects," "Prentice Hall Mathematics," "Connected Mathematics Project," and "University of Chicago School Mathematics Project." There were three…

  18. Toolbox: Textbook Circles for Teaching Comprehension

    ERIC Educational Resources Information Center

    Reading Teacher, 2010

    2010-01-01

    Teach students to use their literacy skills in the content areas. Textbook circles are a great way to make the most of the skills students learn during literature circles and help them transfer these skills to assigned content area texts.

  19. Ideology and 'A' Level Economics Textbooks.

    ERIC Educational Resources Information Center

    Webster, Angela

    1978-01-01

    Reviews economics textbooks frequently used in college level economics courses in England to determine the extent of bias. Topics analyzed include economics as science and ethics, profits, advertising, economic objectives, perfect competition, and nationalized industries. (Author/DB)

  20. Ground Operations Aerospace Language (GOAL) textbook

    NASA Technical Reports Server (NTRS)

    Dickison, L. R.

    1973-01-01

    The textbook provides a semantical explanation accompanying a complete set of GOAL syntax diagrams, system concepts, language component interaction, and general language concepts necessary for efficient language implementation/execution.

  1. The conformations of cyclic (1-->2)-beta-D-glucans: application of multidimensional clustering analysis to conformational data sets obtained by Metropolis Monte Carlo calculations.

    PubMed

    York, W S; Thomsen, J U; Meyer, B

    1993-10-01

    Sets containing up to 1.3 x 10(6) energetically accessible conformations of linear (1-->2)-beta-D-glucan oligosaccharides were obtained by Metropolis Monte Carlo (MMC) calculations performed with the GEGOP (GEometry of GlycOProteins) program. Quantitative analyses of the data sets (which were expressed in terms of the glycosidic dihedral angle coordinates) were obtained by two different clustering methods: (i) the three-distance hierarchical clustering method (3-DM), published by Jure Zupan, and (ii) a nonhierarchical clustering method (Population-Density Projection, PDP) which, through a segmentation analysis of two-dimensional projections of the population-density surface, establishes a partitioning of conformational space into a set of "cluster regions", followed by a clustering step where each conformation of the data set is assigned to one of these regions. Computer programs (MCLUST and PDPCLUST) were developed to perform the 3-DM and PDP analyses, respectively. The two types of analysis provided very similar sets of conformational families (clusters), which could be expressed as combinations of distinct conformations of the glycosidic torsional angles (phi, psi) centered at (50 degrees, 10 degrees) for conformation A, (40 degrees, 160 degrees) for conformation B, (55 degrees, -160 degrees) for conformation B', and (170 degrees, 10 degrees) for conformation C. The analysis provided the populations of the families, along with relative rates for transitions between families. Examination of the frequencies of the A, B, and C glycosidic bond conformations with respect to their relative positions in the sequence revealed the tendency of the (1-->2)-beta-D-glucan to adopt conformational repeating structures of the general form [AnB], where n = 3 or 6. These repeating structures combine in an energetically cooperative fashion to give low-energy cyclic conformations having, for example C5 symmetry [AAAB]5 for the eicosamer, and C3 symmetry [AAAAAAB]3 for the

  2. Introduction: The secret lives of textbooks.

    PubMed

    Vicedo, Marga

    2012-03-01

    Textbooks have a low status in the history of science because they have been seen as mere repositories for scientific knowledge. But historians have recently shown how they play a number of roles that can illuminate different aspects of the history of science, from priority disputes to pedagogical practices. The essays in this Focus section aim to expand our vision of textbooks further by showing how they perform various hybrid functions in scientific development.

  3. 1,4-disubstituted-[1,2,3]triazolyl-containing analogues of MT-II: design, synthesis, conformational analysis, and biological activity.

    PubMed

    Testa, Chiara; Scrima, Mario; Grimaldi, Manuela; D'Ursi, Anna M; Dirain, Marvin L; Lubin-Germain, Nadège; Singh, Anamika; Haskell-Luevano, Carrie; Chorev, Michael; Rovero, Paolo; Papini, Anna M

    2014-11-26

    Side chain-to-side chain cyclizations represent a strategy to select a family of bioactive conformations by reducing the entropy and enhancing the stabilization of functional ligand-induced receptor conformations. This structural manipulation contributes to increased target specificity, enhanced biological potency, improved pharmacokinetic properties, increased functional potency, and lowered metabolic susceptibility. The Cu(I)-catalyzed azide-alkyne 1,3-dipolar Huisgen's cycloaddition, the prototypic click reaction, presents a promising opportunity to develop a new paradigm for an orthogonal bioorganic and intramolecular side chain-to-side chain cyclization. In fact, the proteolytic stable 1,4- or 4,1-disubstituted [1,2,3]triazolyl moiety is isosteric with the peptide bond and can function as a surrogate of the classical side chain-to-side chain lactam forming bridge. Herein we report the design, synthesis, conformational analysis, and functional biological activity of a series of i-to-i+5 1,4- and 4,1-disubstituted [1,2,3]triazole-bridged cyclopeptides derived from MT-II, the homodetic Asp(5) to Lys(10) side chain-to-side chain bridged heptapeptide, an extensively studied agonist of melanocortin receptors. PMID:25347033

  4. 1,4-Disubstituted-[1,2,3]triazolyl-Containing Analogues of MT-II: Design, Synthesis, Conformational Analysis, and Biological Activity

    PubMed Central

    2015-01-01

    Side chain-to-side chain cyclizations represent a strategy to select a family of bioactive conformations by reducing the entropy and enhancing the stabilization of functional ligand-induced receptor conformations. This structural manipulation contributes to increased target specificity, enhanced biological potency, improved pharmacokinetic properties, increased functional potency, and lowered metabolic susceptibility. The CuI-catalyzed azide–alkyne 1,3-dipolar Huisgen’s cycloaddition, the prototypic click reaction, presents a promising opportunity to develop a new paradigm for an orthogonal bioorganic and intramolecular side chain-to-side chain cyclization. In fact, the proteolytic stable 1,4- or 4,1-disubstituted [1,2,3]triazolyl moiety is isosteric with the peptide bond and can function as a surrogate of the classical side chain-to-side chain lactam forming bridge. Herein we report the design, synthesis, conformational analysis, and functional biological activity of a series of i-to-i+5 1,4- and 4,1-disubstituted [1,2,3]triazole-bridged cyclopeptides derived from MT-II, the homodetic Asp5 to Lys10 side chain-to-side chain bridged heptapeptide, an extensively studied agonist of melanocortin receptors. PMID:25347033

  5. The toxicity of 3-chloropropane-1,2-dipalmitate in Wistar rats and a metabonomics analysis of rat urine by ultra-performance liquid chromatography-mass spectrometry.

    PubMed

    Li, Jianshuang; Wang, Sen; Wang, Maoqing; Shi, Wenxiu; Du, Xiaoyan; Sun, Changhao

    2013-11-25

    3-Monochloropropane-1,2-diol(3-MCPD) fatty acid esters can release free 3-MCPD in a certain condition. Free 3-MCPD is a well-known food contaminant and is toxicological well characterized, however, in contrast to free 3-MCPD, the toxicological characterization of 3-MCPD fatty acid esters is puzzling. In this study, toxicological and metabonomics studies of 3-chloropropane-1,2-dipalmitate(3-MCPD dipalmitate) were carried out based on an acute oral toxicity test, a 90-day feeding test and ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) analysis. The LD50 value of 3-MCPD dipalmitate was determined to be 1780 mg/kg body weight (bw) for Wistar rats. The results of the 90-day feeding test in male Wistar rats showed that 3-MCPD dipalmitate caused a significant increase in blood urea nitrogen and creatinine in the high-dose group (267 mg/kg bw/day) compared to control rats. Renal tubular epithelium cell degeneration and renal tubular hyaline cast accumulation were the major histopathological changes in rats administered 3-MCPD dipalmitate. Urine samples obtained after the 90-day feeding test and analyzed by UPLC-MS showed that the differences in metabolic profiles between control and treated rats were clearly distinguished by partial least squares-discriminant analysis (PLS-DA) of the chromatographic data. Five metabolite biomarkers which had earlier and significant variations had been identified, they were first considered to be the early, sensitive biomarkers in evaluating the effect of 3-MCPD dipalmitate exposure, and the possible mechanism of these biomarkers variation was elucidated. The combination of histopathological examination, clinical chemistry and metabolomics analyses in rats resulted in a systematic and comprehensive assessment of the long-term toxicity of 3-MCPD dipalmitate. PMID:24140137

  6. Quantifying mineral abundances of complex mixtures by coupling spectral deconvolution of SWIR spectra (2.1-2.4 μm) and regression tree analysis

    USGS Publications Warehouse

    Mulder, V.L.; Plotze, Michael; de Bruin, Sytze; Schaepman, Michael E.; Mavris, C.; Kokaly, Raymond F.; Egli, Markus

    2013-01-01

    This paper presents a methodology for assessing mineral abundances of mixtures having more than two constituents using absorption features in the 2.1-2.4 μm wavelength region. In the first step, the absorption behaviour of mineral mixtures is parameterised by exponential Gaussian optimisation. Next, mineral abundances are predicted by regression tree analysis using these parameters as inputs. The approach is demonstrated on a range of prepared samples with known abundances of kaolinite, dioctahedral mica, smectite, calcite and quartz and on a set of field samples from Morocco. The latter contained varying quantities of other minerals, some of which did not have diagnostic absorption features in the 2.1-2.4 μm region. Cross validation showed that the prepared samples of kaolinite, dioctahedral mica, smectite and calcite were predicted with a root mean square error (RMSE) less than 9 wt.%. For the field samples, the RMSE was less than 8 wt.% for calcite, dioctahedral mica and kaolinite abundances. Smectite could not be well predicted, which was attributed to spectral variation of the cations within the dioctahedral layered smectites. Substitution of part of the quartz by chlorite at the prediction phase hardly affected the accuracy of the predicted mineral content; this suggests that the method is robust in handling the omission of minerals during the training phase. The degree of expression of absorption components was different between the field sample and the laboratory mixtures. This demonstrates that the method should be calibrated and trained on local samples. Our method allows the simultaneous quantification of more than two minerals within a complex mixture and thereby enhances the perspectives of spectral analysis for mineral abundances.

  7. The Development of Statistics Textbook Supported with ICT and Portfolio-Based Assessment

    NASA Astrophysics Data System (ADS)

    Hendikawati, Putriaji; Yuni Arini, Florentina

    2016-02-01

    This research was development research that aimed to develop and produce a Statistics textbook model that supported with information and communication technology (ICT) and Portfolio-Based Assessment. This book was designed for students of mathematics at the college to improve students’ ability in mathematical connection and communication. There were three stages in this research i.e. define, design, and develop. The textbooks consisted of 10 chapters which each chapter contains introduction, core materials and include examples and exercises. The textbook developed phase begins with the early stages of designed the book (draft 1) which then validated by experts. Revision of draft 1 produced draft 2 which then limited test for readability test book. Furthermore, revision of draft 2 produced textbook draft 3 which simulated on a small sample to produce a valid model textbook. The data were analysed with descriptive statistics. The analysis showed that the Statistics textbook model that supported with ICT and Portfolio-Based Assessment valid and fill up the criteria of practicality.

  8. Textbooks as Canon: The Relationship between Introductory Textbooks and Scholarly Discourse.

    ERIC Educational Resources Information Center

    Gibson, Stephanie B.

    Using a sample issue of the "Journal of Communication" as a point of comparison, a study examined the content of 10 introductory textbooks for the field of communication. Results indicated that textbooks scarcely ever acknowledge methodological pluralism, and when they do, they simply cite it as an existing factor in the field of communication and…

  9. Addition and Subtraction Word Problems in Greek Grade A and Grade B Mathematics Textbooks: Distribution and Children's Understanding

    ERIC Educational Resources Information Center

    Despina, Desli; Harikleia, Loukidou

    2014-01-01

    Mathematics textbooks are a predominant resource in primary school in Greece, as well as in many other countries. The present study reports on both a content analysis of Greek mathematics textbooks with regard to the types of word problems represented in them and a quantitative analysis of children's achievement in these problems. For the…

  10. Textbook Multigrid Efficiency for Leading Edge Stagnation

    NASA Technical Reports Server (NTRS)

    Diskin, Boris; Thomas, James L.; Mineck, Raymond E.

    2004-01-01

    A multigrid solver is defined as having textbook multigrid efficiency (TME) if the solutions to the governing system of equations are attained in a computational work which is a small (less than 10) multiple of the operation count in evaluating the discrete residuals. TME in solving the incompressible inviscid fluid equations is demonstrated for leading- edge stagnation flows. The contributions of this paper include (1) a special formulation of the boundary conditions near stagnation allowing convergence of the Newton iterations on coarse grids, (2) the boundary relaxation technique to facilitate relaxation and residual restriction near the boundaries, (3) a modified relaxation scheme to prevent initial error amplification, and (4) new general analysis techniques for multigrid solvers. Convergence of algebraic errors below the level of discretization errors is attained by a full multigrid (FMG) solver with one full approximation scheme (F.4S) cycle per grid. Asymptotic convergence rates of the F.4S cycles for the full system of flow equations are very fast, approaching those for scalar elliptic equations.

  11. Textbook Multigrid Efficiency for Leading Edge Stagnation

    NASA Technical Reports Server (NTRS)

    Diskin, Boris; Thomas, James L.; Mineck, Raymond E.

    2004-01-01

    A multigrid solver is defined as having textbook multigrid efficiency (TME) if the solutions to the governing system of equations are attained in a computational work which is a small (less than 10) multiple of the operation count in evaluating the discrete residuals. TME in solving the incompressible inviscid fluid equations is demonstrated for leading-edge stagnation flows. The contributions of this paper include (1) a special formulation of the boundary conditions near stagnation allowing convergence of the Newton iterations on coarse grids, (2) the boundary relaxation technique to facilitate relaxation and residual restriction near the boundaries, (3) a modified relaxation scheme to prevent initial error amplification, and (4) new general analysis techniques for multigrid solvers. Convergence of algebraic errors below the level of discretization errors is attained by a full multigrid (FMG) solver with one full approximation scheme (FAS) cycle per grid. Asymptotic convergence rates of the FAS cycles for the full system of flow equations are very fast, approaching those for scalar elliptic equations.

  12. Structural analysis of the carboxy terminal PH domain of pleckstrin bound to D-myo-inositol 1,2,3,5,6-pentakisphosphate

    PubMed Central

    Jackson, Sean G; Zhang, Yi; Haslam, Richard J; Junop, Murray S

    2007-01-01

    Background Pleckstrin homology (PH) domains are one of the most prevalent domains in the human proteome and represent the major phosphoinositide-binding module. These domains are often found in signaling proteins and function predominately by targeting their host proteins to the cell membrane. Inositol phosphates, which are structurally similar to phosphoinositides, are not only known to play a role as signaling molecules but are also capable of being bound by PH domains. Results In the work presented here it is shown that the addition of commercial myo-inositol hexakisphosphate (IP6) inhibited the binding of the carboxy terminal PH domain of pleckstrin (C-PH) to phosphatidylinositol 3,4-bisphosphate with an IC50 of 7.5 μM. In an attempt to characterize this binding structurally, C-PH was crystallized in the presence of IP6 and the structure was determined to 1.35 Å. Examination of the resulting electron density unexpectedly revealed the bound ligand to be D-myo-inositol 1,2,3,5,6-pentakisphosphate. Conclusion The discovery of D-myo-inositol 1,2,3,5,6-pentakisphosphate in the crystal structure suggests that the inhibitory effects observed in the binding studies may be due to this ligand rather than IP6. Analysis of the protein-ligand interaction demonstrated that this myo-inositol pentakisphosphate isomer interacts specifically with protein residues known to be involved in phosphoinositide binding. In addition to this, a structural alignment of other PH domains bound to inositol phosphates containing either four or five phosphate groups revealed that the majority of phosphate groups occupy conserved locations in the binding pockets of PH domains. These findings, taken together with other recently reported studies suggest that myo-inositol pentakisphosphates could act to regulate PH domain-phosphoinositide interactions by directly competing for binding, thus playing an important role as signaling molecules. PMID:18034889

  13. (ns{sub 1/2}+np{sub 1/2})0{sub g}{sup -}Rb{sub 2} and Cs{sub 2} photo-associative spectroscopy of weakly bound levels: Lu-Fano analysis coupled to an improved LeRoy-Bernstein formula

    SciTech Connect

    Jelassi, H.; De Lesegno, B. Viaris; Pruvost, L.

    2007-09-19

    We report on the study of the (ns{sub 1/2}+np{sub 1/2})0{sub g}{sup -}Rb{sub 2} and Cs{sub 2} weakly-bound-level photoassociative spectroscopy in a magneto-optical trap. For the analysis, a Lu-Fano graph is plotted for each set of data. We show that an improved LeRoy-Bernstein formula must to be used. The data is then analysed by a classical procedure using the improved LeRoy-Bernstein formula. The (ns{sub 1/2}+np{sub 1/2})0{sub g}{sup -}Rb{sub 2} and Cs{sub 2} multipolar coefficients c{sub 6} are fitted. They are found to be in good agreement with previous results.

  14. Growth, spectral, optical, thermal, surface analysis and third order nonlinear optical properties of an organic single crystal: 1-(2-Methyl-6-nitro-4-phenyl-3-quinolyl) ethanone

    NASA Astrophysics Data System (ADS)

    Nirosha, M.; Kalainathan, S.; Sarveswari, S.; Vijayakumar, V.; Srikanth, A.

    2015-02-01

    Single crystal of 1-(2-Methyl-6-nitro-4-phenyl-3-quinolyl) ethanone was grown using slow evaporation solution growth technique. Single crystal X-ray diffraction study reveals the lattice parameters of the grown crystal. The modes of vibration of different molecular groups present in 2M6NQE were identified by FTIR spectral analysis. Its optical behavior was examined through UV-vis-NIR absorption and PL emission spectrum. They signify that the crystal has transparency in the region between 383 and 1100 nm. The PL spectrum of the title compound shows green emission in the crystal. From the thermal analysis, 2M6NQE has found to be thermally stable up to 263 °C, and the melting point of the material is 170 °C. The estimations of third order non-linear optical properties like non-linear absorption coefficient (β), non-linear refractive index (n2) and susceptibility [χ(3)] were calculated using Z-scan technique. It has observed that, crystal exhibits reverse saturation absorption and self-defocusing performance. Etching study was carried out for the grown crystal using different solvents.

  15. Extracorporeal shock wave lithotripsy versus retrograde intrarenal surgery for treatment for renal stones 1-2 cm: a meta-analysis.

    PubMed

    Zheng, Changjian; Yang, Hongmei; Luo, Jun; Xiong, Bo; Wang, Hongzhi; Jiang, Qing

    2015-11-01

    This study is to evaluate the efficacy and safety of extracorporeal shock wave lithotripsy (ESWL) versus retrograde intrarenal surgery (RIRS) for the treatment for renal calculi 1-2 cm. PubMed, Embase, the Cochrane Central Register of Controlled Trials, and the Chinese Biomedical Literature Database were researched and hand-searched for relevant congress abstracts and journals about RIRS and ESWL for the treatment for 1- to 2-cm renal stones. The retrieval time ended in September 2014. The related trials met the inclusion criteria were included in the meta-analysis. Two reviewers independently assessed the quality of all included studies, and meta-analysis was performed with RevMan 5.2. Seven literatures were retrieved, including 983 patients. The meta-analysis results showed that, compared to RIRS group, the patients in ESWL group had the following features:(1) the stone-free rate [relative risk (RR) 0.86; 95% confidence interval (CI) 0.77-0.95, P = 0.005] was significantly different between two groups; (2) The retreatment rate of RIRS group was lower (RR 8.12; 95% CI 4.77-13.83, P < 0.00); (3) The complications were not significantly different between two groups (Grade I RR 1.06; 95% CI 0.67-1.69, P = 0.80; Grade II RR 0.75; 95% CI 0.29-1.91, P = 0.54; Grade III RR 0.86; 95% CI 0.26-2.86, P = 0.80). Compared to ESWL, our results showed that RIRS provided significantly higher stone-free rate and lower retreatment rate and without increase in the incidence of complications. However, further randomized trials are needed to confirm these findings. PMID:26211003

  16. Structural, crystal structure, Hirshfeld surface analysis and physicochemical studies of a new chlorocadmate template by 1-(2-hydroxyethyl)piperazine

    NASA Astrophysics Data System (ADS)

    Soudani, S.; Jeanneau, E.; Jelsch, C.; Lefebvre, F.; Ben Nasr, C.

    2016-11-01

    The synthesis, crystal structure and spectroscopic characterization of a new chlorocadmate template by the 1-(2-hydroxyethyl)piperazine ligand are reported. In the atomic arrangement, the CdCl5O entities are deployed in corrugated rows along the a-axis at y = 1/4 and y = 3/4 to form layers parallel to the (a,b) plane. In these crystals, piperazinediium cations are in a chair conformation and are inserted between these layers through Nsbnd H⋯Cl, Csbnd H⋯Cl, Osbnd H⋯Cl and Nsbnd H⋯O hydrogen bonds to form infinite three-dimensional network. Investigation of intermolecular interactions and crystal packing via Hirshfeld surface analysis reveals that H⋯Cl and Csbnd H⋯Hsbnd C intermolecular interactions are the most abundant contacts of the organic cation in the crystal packing. The crystal contacts enrichments reveals that, the Cd++ … Cl- salt bridges, the Cd⋯O complexation and Osbnd H⋯Cl- and Nsbnd H⋯Cl-strong H-bonds are the driving forces in the packing formation. The presence of twelve independent chloride anions and four organic cation in the asymmetric unit allowed comparing their contact propensities. The 13C and 15N CP-MAS NMR spectra are in agreement with the X-ray structure. Additional characterization of this compound has also been performed by IR spectroscopy.

  17. Metagenomic analysis of denitrifying wastewater enrichment cultures able to transform the explosive, 3-nitro-1,2,4-triazol-5-one (NTO).

    PubMed

    Eberly, Jed O; Indest, Karl J; Hancock, Dawn E; Jung, Carina M; Crocker, Fiona H

    2016-06-01

    Removal of 3-nitro-1,2,4-triazol-5-one (NTO) was investigated in conjunction with heterotrophic and autotrophic denitrifying growth conditions by a microbial consortium from a wastewater treatment plant. Microcosms were supplemented with molasses, methanol, or thiosulfate. Cultures were passaged twice by transferring 10 % of the culture volume to fresh media on days 11 and 21. Rates of NTO removal were 18.71 ± 0.65, 9.04 ± 2.61, and 4.34 ± 2.72 mg/L/day while rates of nitrate removal were 20.08 ± 1.13, 21.58 ± 1.20, and 24.84 ± 1.26 mg/L/day, respectively, for molasses, methanol, or thiosulfate. Metagenomic analysis showed that Proteobacteria and Firmicutes were the major phyla in the microbial communities. In molasses supplemented cultures, the community profile at the family level changed over time with Pseudomonadaceae the most abundant (67.4 %) at day 11, Clostridiaceae (65.7 %) at day 21, and Sporolactobacillaceae (35.4 %) and Clostridiaceae (41.0 %) at day 29. Pseudomonadaceae was the dominant family in methanol and thiosulfate supplemented cultures from day 21 to 29 with 76.6 and 81.6 % relative abundance, respectively.

  18. Validated spectrophotometric method for the determination, spectroscopic characterization and thermal structural analysis of duloxetine with 1,2-naphthoquinone-4-sulphonate

    NASA Astrophysics Data System (ADS)

    Ulu, Sevgi Tatar; Elmali, Fikriye Tuncel

    2012-03-01

    A novel, selective, sensitive and simple spectrophotometric method was developed and validated for the determination of the antidepressant duloxetine hydrochloride in pharmaceutical preparation. The method was based on the reaction of duloxetine hydrochloride with 1,2-naphthoquinone-4-sulphonate (NQS) in alkaline media to yield orange colored product. The formation of this complex was also confirmed by UV-visible, FTIR, 1H NMR, Mass spectra techniques and thermal analysis. This method was validated for various parameters according to ICH guidelines. Beer's law is obeyed in a range of 5.0-60 μg/mL at the maximum absorption wavelength of 480 nm. The detection limit is 0.99 μg/mL and the recovery rate is in a range of 98.10-99.57%. The proposed methods was validated and applied to the determination of duloxetine hydrochloride in pharmaceutical preparation. The results were statistically analyzed and compared to those of a reference UV spectrophotometric method.

  19. Halogenated hydrocarbon solvent-related cholangiocarcinoma risk: biliary excretion of glutathione conjugates of 1,2-dichloropropane evidenced by untargeted metabolomics analysis.

    PubMed

    Toyoda, Yu; Takada, Tappei; Suzuki, Hiroshi

    2016-01-01

    Recently, the International Agency for Research on Cancer issued a warning about the carcinogenicity of 1,2-dichloropropane (1,2-DCP) to humans based on an epidemiological study suggesting a relationship between the incidence of cholangiocarcinoma and occupational exposure to halogenated hydrocarbon solvent comprised mostly of 1,2-DCP. Although this dihaloalkane has been used in various industrial fields, there has been no biological evidence explaining the cholangiocarcinoma latency, as well as little understanding of general cholangiocarcinoma risk. In the present study, we explored the biliary excretion of 1,2-DCP metabolites by an untargeted metabolomics approach and the related molecular mechanism with in vitro and in vivo experiments. We hypothesized that the biliary excretion of carcinogens derived from 1,2-DCP contribute to the increased cholangiocarcinoma risk. We found that 1,2-DCP was conjugated with glutathione in the liver, and that the glutathione-conjugated forms of 1,2-DCP, including a potential carcinogen that contains a chloride atom, were excreted into bile by the bile canalicular membrane transporter, ABCC2. These results may reflect a risk in the backfiring of biliary excretion as a connatural detoxification systems for xenobiotics. Our findings would contribute to uncover the latent mechanism by which the chronic exposure to 1,2-DCP increases cholangiocarcinoma risk and future understanding of cholangiocarcinoma biology. PMID:27087417

  20. Halogenated hydrocarbon solvent-related cholangiocarcinoma risk: biliary excretion of glutathione conjugates of 1,2-dichloropropane evidenced by untargeted metabolomics analysis.

    PubMed

    Toyoda, Yu; Takada, Tappei; Suzuki, Hiroshi

    2016-04-18

    Recently, the International Agency for Research on Cancer issued a warning about the carcinogenicity of 1,2-dichloropropane (1,2-DCP) to humans based on an epidemiological study suggesting a relationship between the incidence of cholangiocarcinoma and occupational exposure to halogenated hydrocarbon solvent comprised mostly of 1,2-DCP. Although this dihaloalkane has been used in various industrial fields, there has been no biological evidence explaining the cholangiocarcinoma latency, as well as little understanding of general cholangiocarcinoma risk. In the present study, we explored the biliary excretion of 1,2-DCP metabolites by an untargeted metabolomics approach and the related molecular mechanism with in vitro and in vivo experiments. We hypothesized that the biliary excretion of carcinogens derived from 1,2-DCP contribute to the increased cholangiocarcinoma risk. We found that 1,2-DCP was conjugated with glutathione in the liver, and that the glutathione-conjugated forms of 1,2-DCP, including a potential carcinogen that contains a chloride atom, were excreted into bile by the bile canalicular membrane transporter, ABCC2. These results may reflect a risk in the backfiring of biliary excretion as a connatural detoxification systems for xenobiotics. Our findings would contribute to uncover the latent mechanism by which the chronic exposure to 1,2-DCP increases cholangiocarcinoma risk and future understanding of cholangiocarcinoma biology.

  1. Guide for Teaching Science Problems 1-2, Grade XI or XII. Second Edition.

    ERIC Educational Resources Information Center

    Fredrickson, Clifford T.

    Science Problems 1-2 is a terminal course for eleventh and twelfth grade students with limited science background and generally below average reading levels. The guide is intended as a supplement to the detailed teacher's guide prepared by the publishers of the textbook used in the course. It is assumed that no teacher is expert in all subject…

  2. The non-intuitive \\case{1}{2} Thomas factor: a heuristic argument with classical electromagnetism

    NASA Astrophysics Data System (ADS)

    Chrysos, M.

    2006-01-01

    We present a heuristic argument to deduce the non-intuitive \\frac{1}{2} Thomas factor for an atomic electron revolving in its orbit about the nucleus. The argument, which is simple, pedagogical and accessible to physics beginners, uses elementary notions of classical electromagnetism rather than the advanced relativity concepts which are needed in any standard textbook derivation.

  3. How Current Are Leading Evidence-Based Medical Textbooks? An Analytic Survey of Four Online Textbooks

    PubMed Central

    2012-01-01

    Background The consistency of treatment recommendations of evidence-based medical textbooks with more recently published evidence has not been investigated to date. Inconsistencies could affect the quality of medical care. Objective To determine the frequency with which topics in leading online evidence-based medical textbooks report treatment recommendations consistent with more recently published research evidence. Methods Summarized treatment recommendations in 200 clinical topics (ie, disease states) covered in four evidence-based textbooks–UpToDate, Physicians’ Information Education Resource (PIER), DynaMed, and Best Practice–were compared with articles identified in an evidence rating service (McMaster Premium Literature Service, PLUS) since the date of the most recent topic updates in each textbook. Textbook treatment recommendations were compared with article results to determine if the articles provided different, new conclusions. From these findings, the proportion of topics which potentially require updating in each textbook was calculated. Results 478 clinical topics were assessed for inclusion to find 200 topics that were addressed by all four textbooks. The proportion of topics for which there was 1 or more recently published articles found in PLUS with evidence that differed from the textbooks’ treatment recommendations was 23% (95% CI 17-29%) for DynaMed, 52% (95% CI 45-59%) for UpToDate, 55% (95% CI 48-61%) for PIER, and 60% (95% CI 53-66%) for Best Practice (χ 2 3=65.3, P<.001). The time since the last update for each textbook averaged from 170 days (range 131-209) for DynaMed, to 488 days (range 423-554) for PIER (P<.001 across all textbooks). Conclusions In online evidence-based textbooks, the proportion of topics with potentially outdated treatment recommendations varies substantially. PMID:23220465

  4. Mathematical analysis predicts imbalanced IDH1/2 expression associates with 2-HG-inactivating β-oxygenation pathway in colorectal cancer.

    PubMed

    Koseki, Jun; Colvin, Hugh; Fukusumi, Takahito; Nishida, Naohiro; Konno, Masamitsu; Kawamoto, Koichi; Tsunekuni, Kenta; Matsui, Hidetoshi; Doki, Yuichiro; Mori, Masaki; Ishii, Hideshi

    2015-03-01

    Bioinformatics and computational modeling offer innovative approaches to investigate cancer metabolism and predict the secondary and tertiary cellular responses. Dysregulation of metabolism has also been implicated in the pathophysiology of cancer. A significant proportion of patients with glioblastoma and hematological malignancies harbor the mutated forms of the oxidative phosphorylation (OxPhos) enzymes, isocitrate dehydrogenase (IDH) 1 or 2. The mutated forms of IDH1 and IDH2 produce an oncogenic metabolite, D-2-hydroxyglutarate (D2HG). A recent study of breast cancer patients showed that D2HG can also be produced in the absence of mutated IDH, through an alternative route involving over-activated MYC signaling. We developed a novel methodology to computationally analyze gene expression in colorectal cancer (CRC), and identified novel sets of genes that are associated with patient survival. The study of OxPhos-related genes revealed that an imbalance between the expression of IDH1 and IDH2, defined as overexpression of one isoform in relation to the other, was associated with worse prognosis in CRC patients. This effect was further accentuated by reduced expression of the β-oxygenation enzyme, 3-D-hydroxyacyl-CoA dehydratase (HCDH) 4, which has been reported to contribute to metabolism of intracellular D2HG. The present computational analysis revealed a novel and potential mechanism of CRC development, through over-production of D2HG when there is an imbalance between IDH1 and IDH2 expression, resulting in decreased clearance of D2HG when the β-oxidization pathway is diminished. Additional validation analysis with another gene expression dataset resulted in IDH1/2 imbalanced expression with a shorter DFS compared with balanced expression. Altogether, these findings provide a strong rationale for studying this mechanism further in order to discover novel therapeutic targets for the treatment of CRC.

  5. Swiss Themes in Three "Pluricentric" German Language Textbooks.

    ERIC Educational Resources Information Center

    Boss, Bettina

    2003-01-01

    Examines three current textbooks for German as a foreign language with regard to their coverage of Switzerland as a German-speaking nation. Concludes by suggesting that pluricentric German language textbooks for beginners are rare. (Author/VWL)

  6. Women and Minorities in Introductory Economics Textbooks: 1974 to 1984.

    ERIC Educational Resources Information Center

    Feiner, Susan F.; Morgan, Barbara A.

    1987-01-01

    Reviews widely-used introductory economics textbooks, examining how issues relating to race and gender are treated. Suggests how stereotypical roles could be avoided in the future. Includes a table summarizing data from 21 textbooks. (Author/DH)

  7. Textbooks, Mexican Americans, and Twentieth-Century American History

    ERIC Educational Resources Information Center

    Hoffman, Abraham

    1978-01-01

    Secondary and college level American textbooks should include information about minority groups, particularly Mexican-Americans. Surveys history textbooks with regard to their treatment of the Mexican American minority. For journal availability, see so 506 696. (DB)

  8. Physics that Textbook Writers Usually Get Wrong: III.

    ERIC Educational Resources Information Center

    Bauman, Robert P.

    1992-01-01

    Examines inconsistencies in science textbook discussions of vector quantities and force. Provides illustrations of textbook inconsistencies related to Newton's laws of motion and the concepts of centrifugal and coriolis force. (MDH)

  9. The Communicative Orientation of First-Year African language Textbooks.

    ERIC Educational Resources Information Center

    Schleicher, Antonia Folarin; Gleisner, Karin

    2001-01-01

    Examines how well first-year African language textbooks convey communicative competency issues to African language learners and provides a suitable guide for the selection of communicatively-oriented first-year textbooks. (Author/VWL)

  10. Textbook representations of science-technology relationships

    NASA Astrophysics Data System (ADS)

    Gardner, Paul L.

    1993-12-01

    One way of viewing curriculum content is to regard it as text: i.e. as a collection of narrative and argument which helps shape learners' views of the world. School and university textbooks form part of that collection. At university level, texts encountered by future teachers help shape views of the discipline which may be transmitted to later generations of school learners. This paper is concerned with how the relationships between science and technology are portrayed in school and university textbooks. Criteria are offered for evaluating these portrayals, and examples are presented of material which meets (or fails to meet) these criteria.

  11. Analysis of 1,2-diol diesters in vernix caseosa by high-performance liquid chromatography - atmospheric pressure chemical ionization mass spectrometry.

    PubMed

    Šubčíková, Lenka; Hoskovec, Michal; Vrkoslav, Vladimír; Čmelíková, Tereza; Háková, Eva; Míková, Radka; Coufal, Pavel; Doležal, Antonín; Plavka, Richard; Cvačka, Josef

    2015-01-23

    Fatty acid diesters of long-chain 1,2-diols (1,2-DDE), or type II wax diesters, were analyzed in the vernix caseosa of a newborn girl. 1,2-DDE were isolated from the total lipid extract by the semipreparative TLC using plates coated with silica gel. Chromatographic separation of the 1,2-DDE molecular species was achieved on the non-aqueous reversed-phase HPLC with two Nova-Pak C18 columns connected in series (a total length of 45cm) and using an acetonitrile-ethyl acetate gradient. 1,2-DDE eluted from the column in the order of their equivalent chain number. The analytes were detected as ammonium adducts by an ion-trap mass spectrometer equipped with an atmospheric pressure chemical ionization source. Their structures were elucidated using tandem mass spectrometry with MS, MS(2) and MS(3) steps in a data-dependent mode. More than two thousand molecular species of 1,2-DDE were identified in 141 chromatographic peaks. The most abundant 1,2-DDE were monounsaturated lipids consisting of a C22 diol and a C18:1 fatty acid together with C16:0, C14:0 or C15:0 fatty acids. The positions of double bonds were characterized by the fragmentation of [M+C3H5N](+) formed in the ion source.

  12. Review Forum: What's the Use of a Textbook in the Basic Communication Performance Course?

    ERIC Educational Resources Information Center

    Hess, John; Russ, Susan; McLish, Glen; Yook, Esther (Eunkyong) Lee; Worley, David W.; Olsen, Richard; Bollinger, David; Slagell, Amy R.; Cole, Robert A.

    1999-01-01

    Presents seven brief essays regarding the role of the textbook in basic communication courses. Addresses the proper function of a textbook, how instructors weave a textbook into their course, how students should be reading their textbooks, how students and instructors define the textbook's role, and what textbook features optimize and hinder the…

  13. Theorizing Teachers' Perspectives on an EFL Textbook for Public High Schools of Iran: A Grounded Theory

    ERIC Educational Resources Information Center

    Namaghi, Seyyed Ali Ostovar; Moghaddam, Mohammad Reza Saboor; Tajzad, Maryam

    2014-01-01

    The purpose of this study is to explore language teachers' perspectives on Iranian third grade senior high school EFL textbook, which is prescribed by the Ministry of Education. In data collection and analysis, the researchers used theoretical sampling and the coding schemes presented in grounded theory. Final analysis yielded "Negative…

  14. Resisting Official Knowledge: The Incorporation and Abjection of Race and Poverty in High School American History Textbooks, 1960s-2000s

    ERIC Educational Resources Information Center

    Kearl, Benjamin Kelsey

    2014-01-01

    Through an interpretive analysis of how high school American history textbooks depict the urban-riots of the late-1960s, in this article the author discusses how textbooks incorporate and abject official knowledge related to the intersections of race and poverty. Incorporation is related with Raymond Williams' theory of the selective tradition and…

  15. It Takes a Consortium to Support Open Textbooks

    ERIC Educational Resources Information Center

    Baker, Judy

    2009-01-01

    If the Community College Consortium for Open Educational Resources (CCCOER) has its way, expensive textbooks may go the way of typewriters and carbon paper. Ideally, Internet access for all students would allow educators to replace commercially printed textbooks with interactive digital textbooks and personal learning environments. However, until…

  16. Teachers' Use of Textbooks in the Digital Age

    ERIC Educational Resources Information Center

    Knight, Bruce Allen

    2015-01-01

    This paper explores teachers' use of textbooks in the digital age. After discussing student expectancies and needs, textbook use and the affordances of modern technology, the paper reports the results of a small-scale pilot study involving eight higher education teachers in Australia who discuss the use of textbooks in higher education in the…

  17. On the Web, a Textbook Proliferation of Piracy

    ERIC Educational Resources Information Center

    Young, Jeffrey R.

    2008-01-01

    Book publishers are stepping up efforts to stop college students from downloading illegal copies of textbooks online. One Web site, Textbook Torrents, promises more than 5,000 textbooks for download in PDF format, complete with the original books' layouts and full-color illustrations. Users must simply set up a free account and download a free…

  18. How Accurately Do Introductory Psychology Textbooks Present Psychoanalytic Theory?

    ERIC Educational Resources Information Center

    Habarth, Janice; Hansell, James; Grove, Tyler

    2011-01-01

    Previous studies have raised concerns about the quality of the coverage of psychoanalytic content in undergraduate psychology textbooks. The authors investigated the accuracy and currency of psychoanalytic content in top-selling introductory psychology textbooks. Across the textbooks, 2% to 18% of the paragraphs with psychoanalytic content…

  19. Printing Technology and the Emergence of College Physics Textbooks.

    ERIC Educational Resources Information Center

    Zebrowski, Ernest, Jr.

    1984-01-01

    Traces the effects the relationship between printing technology, and publishing have had on the historical emergence of college physics textbooks. Printing technology before 1880, growth of the book publishing industry, emergence of college physics textbooks, linotype machines, printing technology, and textbook pedagogy are among the areas…

  20. Free Textbooks: An Online Company Tries a Controversial Publishing Model

    ERIC Educational Resources Information Center

    Rampell, Catherine

    2008-01-01

    The high prices of textbooks, which are approaching $1,000 per year for an average student, have those students and their professors crying for mercy. Flat World Knowledge, a new digital-textbook publisher, has the answer to this problem. Starting next year, the publisher will offer online, peer-reviewed, interactive, user-editable textbooks, free…