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1 992 produkter
1 992 produkter
Inbunden, Engelska, 1989
2 231 kr
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The AIDS virus is spread by human behaviors enacted in a variety of social situations. In order to prevent further infection, we need to know more about these behaviors. This volume explores what is known about the number of people infected, risk-associated behaviors, facilitation of behavioral change, and barriers to more effective prevention efforts.
Häftad, Engelska, 1991
1 811 kr
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This book reviews the uses and abuses of microsimulation models--large, complex models that produce estimates of the effects on program costs and who would gain and who would lose from proposed changes in government policies ranging from health care to welfare to taxes. Volume 1 is designed to guide future investment in modeling and analysis capability on the part of government agencies that produce policy estimates. It will inform congressional and executive decision makers about the strengths and weaknesses of models and estimates and will interest social scientists in the potential of microsimulation techniques for basic and applied research as well as policy uses. The book concludes that a "second revolution" is needed to improve the quality of microsimulation and other policy analysis models and the estimates they produce, with a special emphasis on systematic validation of models and communication of validation results to decision makers.
Häftad, Engelska, 1991
1 747 kr
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This volume, second in the series, provides essential background material for policy analysts, researchers, statisticians, and others interested in the application of microsimulation techniques to develop estimates of the costs and population impacts of proposed changes in government policies ranging from welfare to retirement income to health care to taxes. The material spans data inputs to models, design and computer implementation of models, validation of model outputs, and model documentation.
Häftad, Engelska, 1993
1 360 kr
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Workload transition is a potentially crucial problem in work situations wherein operators are faced with abrupt changes in task demands. People involved include military combat personnel, air-traffic controllers, medical personnel in emergency rooms, and long-distance drivers. They must be able to respond efficiently to sudden increases in workload imposed by a failure, crisis, or other, often unexpected, event. This book provides a systematic evaluation of workload transition. It focuses on a broad spectrum of activities ranging from team cooperation to the maintenance of this problem on a theoretical level and offers several practical solutions.
Häftad, Engelska, 1995
1 229 kr
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Americans agree that our students urgently need better science education. But what should they be expected to know and be able to do? Can the same expectations be applied across our diverse society? These and other fundamental issues are addressed in National Science Education Standards--a landmark development effort that reflects the contributions of thousands of teachers, scientists, science educators, and other experts across the country. The National Science Education Standards offer a coherent vision of what it means to be scientifically literate, describing what all students regardless of background or circumstance should understand and be able to do at different grade levels in various science categories. The standards address: * The exemplary practice of science teaching that provides students with experiences that enable them to achieve scientific literacy. * Criteria for assessing and analyzing students' attainments in science and the learning opportunities that school science programs afford. * The nature and design of the school and district science program. * The support and resources needed for students to learn science.These standards reflect the principles that learning science is an inquiry-based process, that science in schools should reflect the intellectual traditions of contemporary science, and that all Americans have a role in improving science education. This document will be invaluable to education policymakers, school system administrators, teacher educators, individual teachers, and concerned parents.
Häftad, Engelska, 1998
713 kr
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Häftad, Engelska, 1999
1 419 kr
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The Panel on Statistical Methods for Testing and Evaluating Defense Systems had a broad mandate-to examine the use of statistics in conjunction with defense testing. This involved examining methods for software testing, reliability test planning and estimation, validation of modeling and simulation, and use of modem techniques for experimental design. Given the breadth of these areas, including the great variety of applications and special issues that arise, making a contribution in each of these areas required that the Panel's work and recommendations be at a relatively general level. However, a variety of more specific research issues were either brought to the Panel's attention by members of the test and acquisition community, e.g., what was referred to as Dubin's challenge (addressed in the Panel's interim report), or were identified by members of the panel. In many of these cases the panel thought that a more in-depth analysis or a more detailed application of suggestions or recommendations made by the Panel would either be useful as input to its deliberations or could be used to help communicate more individual views of members of the Panel to the defense test community.This resulted in several research efforts. Given various criteria, especially immediate relevance to the test and acquisition community, the Panel has decided to make available three technical or background papers, each authored by a Panel member jointly with a colleague. These papers are individual contributions and are not a consensus product of the Panel; however, the Panel has drawn from these papers in preparation of its final report: Statistics, Testing, and Defense Acquisition. The Panel has found each of these papers to be extremely useful and they are strongly recommended to readers of the Panel's final report.
Häftad, Engelska, 2000
458 kr
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First released in the Spring of 1999, How People Learn has been expanded to show how the theories and insights from the original book can translate into actions and practice, now making a real connection between classroom activities and learning behavior. This edition includes far-reaching suggestions for research that could increase the impact that classroom teaching has on actual learning. Like the original edition, this book offers exciting new research about the mind and the brain that provides answers to a number of compelling questions. When do infants begin to learn? How do experts learn and how is this different from non-experts? What can teachers and schools do-with curricula, classroom settings, and teaching methods--to help children learn most effectively? New evidence from many branches of science has significantly added to our understanding of what it means to know, from the neural processes that occur during learning to the influence of culture on what people see and absorb. How People Learn examines these findings and their implications for what we teach, how we teach it, and how we assess what our children learn.The book uses exemplary teaching to illustrate how approaches based on what we now know result in in-depth learning. This new knowledge calls into question concepts and practices firmly entrenched in our current education system. Topics include: * How learning actually changes the physical structure of the brain. * How existing knowledge affects what people notice and how they learn. * What the thought processes of experts tell us about how to teach. * The amazing learning potential of infants. * The relationship of classroom learning and everyday settings of community and workplace. * Learning needs and opportunities for teachers. * A realistic look at the role of technology in education.
Häftad, Engelska, 1989
2 198 kr
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Declining American competitiveness in world economic markets has renewed interest in employment testing as a way of putting the right workers in the right jobs. A new study of the U.S. Department of Labor's General Aptitude Test Battery (GATB) Referral System sheds light on key questions for America's employers: How well does the GATB predict job success? Are there scientific justifications for adjusting minority test scores? Will increased use of the GATB result in substantial increases in productivity? Fairness in Employment Testing evaluates both the validity generalization techniques used to justify the use of the GATB across the spectrum of U.S. jobs and the policy of adjusting test scores to promote equal opportunity.
Häftad, Engelska, 2001
589 kr
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In response to a mandate from Congress in conjunction with the Protection of Children from Sexual Predators Act of 1998, the Computer Science and Telecommunications Board and the Board on Children, Youth, and Families of the National Research Council and the Institute of Medicine established a committee of experts to explore options to protect children from pornography and other inappropriate Internet content. In June 2000, the Committee to Study Tools and Strategies for Protecting Kids from Pornography on the Internet and Their Applicability to Other Inappropriate Internet Content was established. Support for the committee's work came from the U.S. Department of Education, the U.S. Department of Justice, Microsoft Corporation, IBM, the W.K. Kellogg Foundation, and the National Research Council. The committee has been charged with exploring the pros and cons of different technology options and operational policies as well as nontechnical strategies that can help to provide young people with positive and safe online experiences.On December 13, 2000, the committee convened a workshop to provide public input to its work and focus on nontechnical strategies that could be effective in a broad range of settings (e.g., home, school, libraries) in which young people might be online. The overarching goal of this activity was to provide a forum for discussing the implications of this research with regard to policy and practice and identifying research needed to advance and inform policy and practice.
Häftad, Engelska, 1981
1 816 kr
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Häftad, Engelska, 1985
1 767 kr
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Recent vision research has led to the emergence of new techniques that offer exciting potential for a more complete assessment of vision in clinical, industrial, and military settings. Emergent Techniques for Assessment of Visual Performance examines four areas of vision testing that offer potential for improved assessment of visual capability including: contrast sensitivity function, dark-focus of accommodation, dynamic visual acuity and dynamic depth tracking, and ambient and focal vision. In contrast to studies of accepted practices, this report focuses on emerging techniques that could help determine whether people have the vision necessary to do their jobs. In addition to examining some of these emerging techniques, the report identifies their usefulness in predicting performance on other visual and visual-motor tasks, and makes recommendations for future research. Emergent Techniques for Assessment of Visual Performance provides summary recommendations for research that will have significant value and policy implications for the next 5 to 10 years.The content and conclusions of this report can serve as a useful resource for those responsible for screening industrial and military visual function.
Häftad, Engelska, 1984
754 kr
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Häftad, Engelska, 1987
1 885 kr
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More than 1 million teenage girls in the United States become pregnant each year; nearly half give birth. Why do these young people, who are hardly more than children themselves, become parents? The statistical appendices and working papers for the report Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing provide additional insight into the trends in and consequences of teenage sexual behavior.
Häftad, Engelska, 1987
1 816 kr
Skickas inom 11-20 vardagar
Special copy
Häftad, Engelska, 1988
1 763 kr
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Häftad, Engelska, 1988
732 kr
Skickas inom 3-6 vardagar
Häftad, Engelska, 1988
732 kr
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Häftad, Engelska, 1985
955 kr
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Häftad, Engelska, 2002
618 kr
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Enhancing Undergraduate Learning with Information Technology reports on a meeting of scientists, policy makers, and researchers convened to discuss new approaches to undergraduate science, mathematics, and technology education. The goal of the workshop was to inform workshop participants and the public about issues surrounding the use of information technology in education. To reach this goal, the workshop participants paid particular attention to the following issues: What educational technologies currently exist and how they are being used to transform undergraduate science, engineering, mathematics, and technology education; What is known about the potential future impact of information technology on teaching and learning at the undergraduate level; How to evaluate the impact of information technology on teaching and learning; and What the future might hold.
Häftad, Engelska, 2002
671 kr
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The papers in this collection were commissioned by the Board on Testing and Assessment (BOTA) of the National Research Council (NRC) for a workshop held on November 14, 2001, with support from the William and Flora Hewlett Foundation. Goals for the workshop were twofold. One was to share the major messages of the recently released NRC committee report, Knowing What Students Know: The Science and Design of Educational Assessment (2001), which synthesizes advances in the cognitive sciences and methods of measurement, and considers their implications for improving educational assessment. The second goal was to delve more deeply into one of the major themes of that report-the role that technology could play in bringing those advances together, which is the focus of these papers. For the workshop, selected researchers working in the intersection of technology and assessment were asked to write about some of the challenges and opportunities for more fully capitalizing on the power of information technologies to improve assessment, to illustrate those issues with examples from their own research, and to identify priorities for research and development in this area.
Häftad, Engelska, 2002
883 kr
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In November 2000, the Board on International Comparative Studies in Education (BICSE) held a symposium to draw on the wealth of experience gathered over a four--decade period, to evaluate improvement in the quality of the methodologies used in international studies, and to identify the most pressing methodological issues that remain to be solved. Since 1960, the United States has participated in 15 large--scale cross--national education surveys. The most assessed subjects have been science and mathematics through reading comprehension, geography, nonverbal reasoning, literature, French, English as a foreign language, civic education, history, computers in education, primary education, and second--language acquisition. The papers prepared for this symposium and discussions of those papers make up the volume, representing the most up--to--date and comprehensive assessment of methodological strengths and weaknesses of international comparative studies of student achievement. These papers answer the following questions: (1) What is the methodological quality of the most recent international surveys of student achievement? How authoritative are the results?(2) Has the methodological quality of international achievement studies improved over the past 40 years? and (3) What are promising opportunities for future improvement?
Häftad, Engelska, 1990
915 kr
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There are numerous reasons to hasten the introduction of new and improved contraceptives--from health concerns about the pill to the continuing medical liability crisis. Yet, U.S. organizations are far from taking a leadership position in funding, researching, and introducing new contraceptives--in fact, the United States lags behind Europe and even some developing countries in this field. Why is research and development of contraceptives stagnating? What must the nation do to energize this critical arena? This book presents an overall examination of contraceptive development in the United States--covering research, funding, regulation, product liability, and the effect of public opinion. The distinguished authoring committee presents a blueprint for substantial change, with specific policy recommendations that promise to gain the attention of specialists, the media, and the American public.The highly readable and well-organized volume will quickly become basic reading for legislators, government agencies, the pharmaceutical industry, private organizations, legal professionals, and researchers--everyone concerned about family planning, reproductive health, and the impact of the liability and regulatory systems on scientific innovations.
Häftad, Engelska, 2003
713 kr
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The NRC has convened the Committee on Monitoring International Labor Standards to provide expert, science-based advice on monitoring compliance with international labor standards. The committee held a workshop in July 2002 to assess the quality of information and measures of progress towards compliance with international labor standards. This document summarizes the workshop. Reflecting the workshop agenda, this report focuses primarily on the availability and quality of information to measure compliance with four core international labor standards that were identified in 1998 by the ILO. The goal of this workshop summary is to communicate the key ideas and themes that emerged from the workshop presentations and discussions.
Häftad, Engelska, 2003
686 kr
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Over the past half century, the international flow of goods, services, and capital has grown rapidly. Globalization creates new economic, cultural, and social opportunities, but also poses the challenge of ensuring that workers throughout the world share in these opportunities. Responding to this challenge, the U.S. government carries out a variety of policies and programs aimed at encouraging greater recognition of worker rights around the globe. The U.S. Department of State monitors worker rights abroad and reports on the status of those rights as part of its annual report to Congress in the Country Reports on Human Rights Practices. Building on this history of monitoring and encouraging worker rights around the world, the Trade Act of 2002 includes on the list of overall trade negotiating objectives of the United States, promote respect for worker rights.Monitoring International Labor Standards provides expert, science-based advice on monitoring compliance with international labor standards. This report identifies relevant, valid, reliable, and useful sources of country-level data on labor standards; assesses the quality of existing and potential data and indicators that can be used to systematically monitor labor practices and the effectiveness of enforcement in order to determine compliance with national labor legislation and international standards; identifies innovative measures to determine compliance with international labor standards on a country-by-country basis and to measure progress on improved labor legislation and enforcement; explores the relationship between labor standards compliance and national policies relating to human capital issues; and recommends sustainable reporting procedures to monitor countries' progress toward implementation of international labor standards.
Inbunden, Engelska, 2004
684 kr
Skickas inom 11-20 vardagar
Alcohol use by young people is extremely dangerous - both to themselves and society at large. Underage alcohol use is associated with traffic fatalities, violence, unsafe sex, suicide, educational failure, and other problem behaviors that diminish the prospects of future success, as well as health risks a " and the earlier teens start drinking, the greater the danger. Despite these serious concerns, the media continues to make drinking look attractive to youth, and it remains possible and even easy for teenagers to get access to alcohol. Why is this dangerous behavior so pervasive? What can be done to prevent it? What will work and who is responsible for making sure it happens? Reducing Underage Drinking addresses these questions and proposes a new way to combat underage alcohol use. It explores the ways in which may different individuals and groups contribute to the problem and how they can be enlisted to prevent it. Reducing Underage Drinking will serve as both a game plan and a call to arms for anyone with an investment in youth health and safety.
Häftad, Engelska, 2003
494 kr
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The National Research Council has convened the Committee on Monitoring International Labor Standards to provide expert, science-based advice on monitoring compliance with international labor standards. The committee has undertaken a two-year project with multiple intersecting activities.The committee is charged with assembling information on country compliance with international labor standards and organizing these data into an easily accessible, web-based format for use by the DOL. As one step in this process, a workshop in November 2002 was held to discuss national legal frameworks and the challenges of measuring the extent to which international standards have been incorporated into national laws and practices. Monitoring International Labor Standards is the summary of that workshop. This report communicates the key ideas and themes that emerged from the workshop presentations and discussions.
Häftad, Engelska, 2004
422 kr
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How Students Learn: History in the Classroom builds on the discoveries detailed in the best-selling How People Learn. Now these findings are presented in a way that teachers can use immediately, to revitalize their work in the classroom for even greater effectiveness. The book explores the importance of balancing students' knowledge of historical fact against their understanding of concepts, such as change and cause, and their skills in assessing historical accounts. It also features illustrated suggestion for classroom activities.
Häftad, Engelska, 1996
1 407 kr
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Understanding Risk addresses a central dilemma of risk decisionmaking in a democracy: detailed scientific and technical information is essential for making decisions, but the people who make and live with those decisions are not scientists. The key task of risk characterization is to provide needed and appropriate information to decisionmakers and the public. This important new volume illustrates that making risks understandable to the public involves much more than translating scientific knowledge. The volume also draws conclusions about what society should expect from risk characterization and offers clear guidelines and principles for informing the wide variety of risk decisions that face our increasingly technological society. Understanding Risk * Frames fundamental questions about what risk characterization means. * Reviews traditional definitions and explores new conceptual and practical approaches. * Explores how risk characterization should inform decisionmakers and the public. * Looks at risk characterization in the context of the entire decisionmaking process. Understanding Risk discusses how risk characterization has fallen short in many recent controversial decisions.Throughout the text, examples and case studies--such as planning for the long-term ecological health of the Everglades or deciding on the operation of a waste incinerator--bring key concepts to life. Understanding Risk will be important to anyone involved in risk issues: federal, state, and local policymakers and regulators; risk managers; scientists; industrialists; researchers; and concerned individuals.
Häftad, Engelska, 2004
643 kr
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In February and March 2003, the Committee on Monitoring International Labor Standards (CMILS) of the National Research Council (NRC) convened regional forums in Costa Rica, Sri Lanka, and South Africa. Participants included representatives from the International Labour Organization (ILO), national governments, workers' and employers' organizations, nongovernmental organizations (NGOs), and the academic community. These meetings were designed to provide the CMILS with a broad range of international perspectives on the many complex issues related to monitoring compliance with international labor standards, particularly within developing countries. The CMILS has convened similar forums in the United States and held workshops examining data quality, assessing national legal frameworks, and exploring linkages between human capital development and compliance with labor standards.