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Henry Braun – författare

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12 produkter

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12 produkter

Getting Value Out of Value-Added
Report of a Workshop
Avand Educational Accountability Committee on Value-Added Methodology for Instructional Improvement, Program Evaluation,Center for Educationm. fl.
E-bok
PDF, Engelska, 2010
270 kr
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Value-added methods refer to efforts to estimate the relative contributions of specific teachers, schools, or programs to student test performance. In recent years, these methods have attracted considerable attention because of their potential applicability for educational accountability, teacher pay-for-performance systems, school and teacher improvement, program evaluation, and research. Value-added methods involve complex statistical models applied to test data of varying quality. Accordingly, there are many technical challenges to ascertaining the degree to which the output of these models provides the desired estimates. Despite a substantial amount of research over the last decade and a half, overcoming these challenges has proven to be very difficult, and many questions remain unanswered—at a time when there is strong interest in implementing value-added models in a variety of settings. The National Research Council and the National Academy of Education held a workshop, summarized in this volume, to help identify areas of emerging consensus and areas of disagreement regarding appropriate uses of value-added methods, in an effort to provide research-based guidance to policy makers who are facing decisions about whether to proceed in this direction.
Getting Value Out of Value-Added
Report of a Workshop
Avand Educational Accountability Committee on Value-Added Methodology for Instructional Improvement, Program Evaluation,Center for Educationm. fl.
E-bok
Engelska, 2010
392 kr
Läs direkt efter köp
Value-added methods refer to efforts to estimate the relative contributions of specific teachers, schools, or programs to student test performance. In recent years, these methods have attracted considerable attention because of their potential applicability for educational accountability, teacher pay-for-performance systems, school and teacher improvement, program evaluation, and research. Value-added methods involve complex statistical models applied to test data of varying quality. Accordingly, there are many technical challenges to ascertaining the degree to which the output of these models provides the desired estimates. Despite a substantial amount of research over the last decade and a half, overcoming these challenges has proven to be very difficult, and many questions remain unanswered—at a time when there is strong interest in implementing value-added models in a variety of settings. The National Research Council and the National Academy of Education held a workshop, summarized in this volume, to help identify areas of emerging consensus and areas of disagreement regarding appropriate uses of value-added methods, in an effort to provide research-based guidance to policy makers who are facing decisions about whether to proceed in this direction.
Meeting the Challenges to Measurement in an Era of Accountability
AvHenry Braun
Inbunden, Engelska, 2016
3 637 kr
Skickas inom 10-15 vardagar
Under pressure and support from the federal government, states have increasingly turned to indicators based on student test scores to evaluate teachers and schools, as well as students themselves. The focus thus far has been on test scores in those subject areas where there is a sequence of consecutive tests, such as in mathematics or English/language arts with a focus on grades 4-8. Teachers in these subject areas, however, constitute less than thirty percent of the teacher workforce in a district. Comparatively little has been written about the measurement of achievement in the other grades and subjects. This volume seeks to remedy this imbalance by focusing on the assessment of student achievement in a broad range of grade levels and subject areas, with particular attention to their use in the evaluation of teachers and schools in all. It addresses traditional end-of-course tests, as well as alternative measures such as portfolios, exhibitions, and student learning objectives. In each case, issues related to design and development, psychometric considerations, and validity challenges are covered from both a generic and a content-specific perspective.The NCME Applications of Educational Measurement and Assessment series includes edited volumes designed to inform research-based applications of educational measurement and assessment. Edited by leading experts, these books are comprehensive and practical resources on the latest developments in the field.The Open Access version of this book, available at http://www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license
Meeting the Challenges to Measurement in an Era of Accountability
AvHenry Braun
Häftad, Engelska, 2016
914 kr
Skickas inom 10-15 vardagar
Under pressure and support from the federal government, states have increasingly turned to indicators based on student test scores to evaluate teachers and schools, as well as students themselves. The focus thus far has been on test scores in those subject areas where there is a sequence of consecutive tests, such as in mathematics or English/language arts with a focus on grades 4-8. Teachers in these subject areas, however, constitute less than thirty percent of the teacher workforce in a district. Comparatively little has been written about the measurement of achievement in the other grades and subjects. This volume seeks to remedy this imbalance by focusing on the assessment of student achievement in a broad range of grade levels and subject areas, with particular attention to their use in the evaluation of teachers and schools in all. It addresses traditional end-of-course tests, as well as alternative measures such as portfolios, exhibitions, and student learning objectives. In each case, issues related to design and development, psychometric considerations, and validity challenges are covered from both a generic and a content-specific perspective.The NCME Applications of Educational Measurement and Assessment series includes edited volumes designed to inform research-based applications of educational measurement and assessment. Edited by leading experts, these books are comprehensive and practical resources on the latest developments in the field.The Open Access version of this book, available at http://www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license
Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization
AvHenry Braun,Mahesh Banavarm. fl.
Häftad, Engelska, 2011
369 kr
Skickas inom 10-15 vardagar
Although the solar energy industry has experienced rapid growth recently, high-level management of photovoltaic (PV) arrays has remained an open problem. As sensing and monitoring technology continues to improve, there is an opportunity to deploy sensors in PV arrays in order to improve their management. In this book, we examine the potential role of sensing and monitoring technology in a PV context, focusing on the areas of fault detection, topology optimization, and performance evaluation/data visualization. First, several types of commonly occurring PV array faults are considered and detection algorithms are described. Next, the potential for dynamic optimization of an array's topology is discussed, with a focus on mitigation of fault conditions and optimization of power output under non-fault conditions. Finally, monitoring system design considerations such as type and accuracy of measurements, sampling rate, and communication protocols are considered. It is our hope that the benefits of monitoring presented here will be sufficient to offset the small additional cost of a sensing system, and that such systems will become common in the near future. Table of Contents: Introduction / Overview of Photovoltaics / Causes Performance Degradation and Outage / Fault Detection Methods / Array Topology Optimization / Monitoring of PV Systems / Summary
Reconstruction-Free Compressive Vision for Surveillance Applications
AvHenry Braun,Pavan Turagam. fl.
Häftad, Engelska, 2019
589 kr
Skickas inom 10-15 vardagar
Compressed sensing (CS) allows signals and images to be reliably inferred from undersampled measurements. Exploiting CS allows the creation of new types of high-performance sensors including infrared cameras and magnetic resonance imaging systems. Advances in computer vision and deep learning have enabled new applications of automated systems. In this book, we introduce reconstruction-free compressive vision, where image processing and computer vision algorithms are embedded directly in the compressive domain, without the need for first reconstructing the measurements into images or video. Reconstruction of CS images is computationally expensive and adds to system complexity. Therefore, reconstruction-free compressive vision is an appealing alternative particularly for power-aware systems and bandwidth-limited applications that do not have on-board post-processing computational capabilities. Engineers must balance maintaining algorithm performance while minimizing both the number of measurements needed and the computational requirements of the algorithms. Our study explores the intersection of compressed sensing and computer vision, with the focus on applications in surveillance and autonomous navigation. Other applications are also discussed at the end and a comprehensive list of references including survey papers are given for further reading.
Signal Processing for Solar Array Monitoring, Fault Detection, and Optimization
AvShinichi Takeda,Tohru Takemasam. fl.
E-bok
PDF, Engelska, 2022
442 kr
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Although the solar energy industry has experienced rapid growth recently, high-level management of photovoltaic (PV) arrays has remained an open problem. As sensing and monitoring technology continues to improve, there is an opportunity to deploy sensors in PV arrays in order to improve their management. In this book, we examine the potential role of sensing and monitoring technology in a PV context, focusing on the areas of fault detection, topology optimization, and performance evaluation/data visualization. First, several types of commonly occurring PV array faults are considered and detection algorithms are described. Next, the potential for dynamic optimization of an array''s topology is discussed, with a focus on mitigation of fault conditions and optimization of power output under non-fault conditions. Finally, monitoring system design considerations such as type and accuracy of measurements, sampling rate, and communication protocols are considered. It is our hope that the benefits of monitoring presented here will be sufficient to offset the small additional cost of a sensing system, and that such systems will become common in the near future. Table of Contents: Introduction / Overview of Photovoltaics / Causes Performance Degradation and Outage / Fault Detection Methods / Array Topology Optimization / Monitoring of PV Systems / Summary
Reconstruction-Free Compressive Vision for Surveillance Applications
AvCihan Tepedelenlioglu,Suren Jayasuriyam. fl.
E-bok
PDF, Engelska, 2022
710 kr
Läs direkt efter köp
Compressed sensing (CS) allows signals and images to be reliably inferred from undersampled measurements. Exploiting CS allows the creation of new types of high-performance sensors including infrared cameras and magnetic resonance imaging systems. Advances in computer vision and deep learning have enabled new applications of automated systems. In this book, we introduce reconstruction-free compressive vision, where image processing and computer vision algorithms are embedded directly in the compressive domain, without the need for first reconstructing the measurements into images or video. Reconstruction of CS images is computationally expensive and adds to system complexity. Therefore, reconstruction-free compressive vision is an appealing alternative particularly for power-aware systems and bandwidth-limited applications that do not have on-board post-processing computational capabilities. Engineers must balance maintaining algorithm performance while minimizing both the number of measurements needed and the computational requirements of the algorithms. Our study explores the intersection of compressed sensing and computer vision, with the focus on applications in surveillance and autonomous navigation. Other applications are also discussed at the end and a comprehensive list of references including survey papers are given for further reading.
Dynamics of Opportunity in America
Evidence and Perspectives
AvIrwin Kirsch,Henry Braun
Inbunden, Engelska, 2016
540 kr
Skickas inom 10-15 vardagar
Across the country, our children are beginning life from very different starting points. Some have aspirations and believe they can be achieved. For too many others, aspirations are tempered, if not dashed, by the sobering realities of everyday life. These different starting points place children on distinctly different trajectories of growth and development, ultimately leading to vastly different adult outcomes. How did we get to a place where circumstances of birth have become so determinative? And what must we do, within communities and across our country, to better equalize opportunity for more Americans – both young and old? The editors of this volume contend that if, as a nation, we do nothing, then we will continue to drift apart, placing an unsustainable strain on the nation’s social fabric and the character of its democracy. Consequently, understanding the dynamics governing the distribution and transmission of opportunity – and transforming this understanding into policies and programs – is critical for not only the life outcomes of individual Americans and their children, but also the country as a whole. The goal of Educational Testing Service’s Opportunity in America initiative is to explore these powerful dynamics and to describe and convey them in a way that advances the national conversation about why we must take action – and how best to do so. This volume contains 14 chapters, including anepilogue, written by leaders from a range of fields including education, economics, demography, and political science. Collectively, they not only illuminate key aspects of the problem but also offer suggestions of what policies, programs, and changes in practices could begin to reverse the trends we are seeing. Written in an engaging style, this volume constitutes an essential foundation for informed discussion and strategic analysis.
Dynamics of Opportunity in America
Evidence and Perspectives
AvIrwin Kirsch,Henry Braun
Häftad, Engelska, 2018
540 kr
Skickas inom 10-15 vardagar
Across the country, our children are beginning life from very different starting points. Some have aspirations and believe they can be achieved. For too many others, aspirations are tempered, if not dashed, by the sobering realities of everyday life. These different starting points place children on distinctly different trajectories of growth and development, ultimately leading to vastly different adult outcomes. How did we get to a place where circumstances of birth have become so determinative? And what must we do, within communities and across our country, to better equalize opportunity for more Americans – both young and old? The editors of this volume contend that if, as a nation, we do nothing, then we will continue to drift apart, placing an unsustainable strain on the nation’s social fabric and the character of its democracy. Consequently, understanding the dynamics governing the distribution and transmission of opportunity – and transforming this understanding into policies and programs – is critical for not only the life outcomes of individual Americans and their children, but also the country as a whole. The goal of Educational Testing Service’s Opportunity in America initiative is to explore these powerful dynamics and to describe and convey them in a way that advances the national conversation about why we must take action – and how best to do so. This volume contains 14 chapters, including anepilogue, written by leaders from a range of fields including education, economics, demography, and political science. Collectively, they not only illuminate key aspects of the problem but also offer suggestions of what policies, programs, and changes in practices could begin to reverse the trends we are seeing. Written in an engaging style, this volume constitutes an essential foundation for informed discussion and strategic analysis.
Traumrasse Curly Coated Retriever
AvHenry Braun
Häftad, Tyska, 2025
453 kr
Skickas inom 5-8 vardagar
OECD Reviews of Evaluation and Assessment in Education: Netherlands 2014
AvPaulo Santiago,Gabor Halaszm. fl.
E-bok
PDF, Engelska, 2014
454 kr
Läs direkt efter köp
How can student assessment, teacher appraisal, school evaluation and system evaluation bring about real gains in performance across a country’s school system? This review report for the Netherlands provides, from an international perspective, an independent analysis of major issues facing the Dutch evaluation and assessment framework in education, current policy initiatives and possible future approaches. This series forms part of the OECD Review on Evaluation and Assessment Frameworks for Improving School Outcomes.