Likert Scaling Using the Graded Response Latent Trait Model PDF Download
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Author: William R. Koch
Publisher:
ISBN:
Category : Attitude (Psychology)
Languages : en
Pages : 42
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Book Description
Author: William R. Koch
Publisher:
ISBN:
Category : Attitude (Psychology)
Languages : en
Pages : 42
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Book Description
Author: Wim J. van der Linden
Publisher: Springer Science & Business Media
ISBN: 1475726910
Category : Social Science
Languages : en
Pages : 509
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Book Description
Item response theory has become an essential component in the toolkit of every researcher in the behavioral sciences. It provides a powerful means to study individual responses to a variety of stimuli, and the methodology has been extended and developed to cover many different models of interaction. This volume presents a wide-ranging handbook to item response theory - and its applications to educational and psychological testing. It will serve as both an introduction to the subject and also as a comprehensive reference volume for practitioners and researchers. It is organized into six major sections: the nominal categories model, models for response time or multiple attempts on items, models for multiple abilities or cognitive components, nonparametric models, models for nonmonotone items, and models with special assumptions. Each chapter in the book has been written by an expert of that particular topic, and the chapters have been carefully edited to ensure that a uniform style of notation and presentation is used throughout. As a result, all researchers whose work uses item response theory will find this an indispensable companion to their work and it will be the subject's reference volume for many years to come.
Author: Chihyu Chan
Publisher:
ISBN:
Category : Factor analysis
Languages : en
Pages : 0
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Book Description
Seven statistical procedures were compared with one another in terms of the ability to recover a unidimensional latent trait from Likert-type data. They are factor analysis based on either Pearson correlations (FA-PR) or polychoric correlations (FAPL), the graded response model in item response theory (IRT-GRM), internal unfolding (IMDU), external unfolding (EMDU), weighted unfolding (WMDU), and the common procedure of summing up successive integers assigned to response categories (SSI). Sample size, test length, and skewness of item response distributions were manipulated in this simulation study. Generally speaking, IRT-GRM performed the best and was most robust against skewness. FA-PR and FA-PL performed equally well across almost all conditions but were competitive with IRT-GRM only when item responses were normally distributed. SSI practice might be slightly worse than the two FA procedures when item responses were normally distributed, but it was better than them when item responses were highly skewed. WMDU performed as well as did SSI only when item responses were normally distributed or moderately skewed and sample size was large for MDS models (e.g., N=100). IMDU and EMDU were even worse than WMDU and appeared not appropriate for Likert-type data
Author: R. J. de Ayala
Publisher: Guilford Publications
ISBN: 1462514693
Category : Education
Languages : en
Pages : 466
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Book Description
Item response theory (IRT) is a latent variable modeling approach used to minimize bias and optimize the measurement power of educational and psychological tests and other psychometric applications. Designed for researchers, psychometric professionals, and advanced students, this book clearly presents both the "how-to" and the "why" of IRT. It describes simple and more complex IRT models and shows how they are applied with the help of widely available software packages. Chapters follow a consistent format and build sequentially, taking the reader from model development through the fit analysis and interpretation phases that one would perform in practice. The use of common empirical data sets across the chapters facilitates understanding of the various models and how they relate to one another.
Author: Wim J. van der Linden
Publisher: CRC Press
ISBN: 1315356902
Category : Mathematics
Languages : en
Pages : 785
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Book Description
Drawing on the work of internationally acclaimed experts in the field, Handbook of Item Response Theory, Volume One: Models presents all major item response models. This first volume in a three-volume set covers many model developments that have occurred in item response theory (IRT) during the last 20 years. It describes models for different response formats or response processes, the need of deeper parameterization due to a multilevel or hierarchical structure of the response data, and other extensions and insights. In Volume One, all chapters have a common format with each chapter focusing on one family of models or modeling approach. An introductory section in every chapter includes some history of the model and a motivation of its relevance. Subsequent sections present the model more formally, treat the estimation of its parameters, show how to evaluate its fit to empirical data, illustrate the use of the model through an empirical example, and discuss further applications and remaining research issues.
Author: William R. Koch
Publisher:
ISBN:
Category : Educational tests and measurements
Languages : en
Pages : 22
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Book Description
Author: Susan E. Embretson
Publisher: Psychology Press
ISBN: 1135681465
Category : Psychology
Languages : en
Pages : 389
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Book Description
This book develops an intuitive understanding of IRT principles through the use of graphical displays and analogies to familiar psychological principles. It surveys contemporary IRT models, estimation methods, and computer programs. Polytomous IRT models are given central coverage since many psychological tests use rating scales. Ideal for clinical, industrial, counseling, educational, and behavioral medicine professionals and students familiar with classical testing principles, exposure to material covered in first-year graduate statistics courses is helpful. All symbols and equations are thoroughly explained verbally and graphically.
Author: Michael Nering
Publisher: Taylor & Francis
ISBN: 1135168725
Category : Psychology
Languages : en
Pages : 307
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Book Description
This comprehensive Handbook focuses on the most used polytomous item response theory (IRT) models. These models help us understand the interaction between examinees and test questions where the questions have various response categories. The book reviews all of the major models and includes discussions about how and where the models originated, conceptually and in practical terms. Diverse perspectives on how these models can best be evaluated are also provided. Practical applications provide a realistic account of the issues practitioners face using these models. Disparate elements of the book are linked through editorial sidebars that connect common ideas across chapters, compare and reconcile differences in terminology, and explain variations in mathematical notation. These sidebars help to demonstrate the commonalities that exist across the field. By assembling this critical information, the editors hope to inspire others to use polytomous IRT models in their own research so they too can achieve the type of improved measurement that such models can provide. Part 1 examines the most commonly used polytomous IRT models, major issues that cut across these models, and a common notation for calculating functions for each model. An introduction to IRT software is also provided. Part 2 features distinct approaches to evaluating the effectiveness of polytomous IRT models in various measurement contexts. These chapters appraise evaluation procedures and fit tests and demonstrate how to implement these procedures using IRT software. The final section features groundbreaking applications. Here the goal is to provide solutions to technical problems to allow for the most effective use of these models in measuring educational, psychological, and social science abilities and traits. This section also addresses the major issues encountered when using polytomous IRT models in computerized adaptive testing. Equating test scores across different testing contexts is the focus of the last chapter. The various contexts include personality research, motor performance, health and quality of life indicators, attitudes, and educational achievement. Featuring contributions from the leading authorities, this handbook will appeal to measurement researchers, practitioners, and students who want to apply polytomous IRT models to their own research. It will be of particular interest to education and psychology assessment specialists who develop and use tests and measures in their work, especially researchers in clinical, educational, personality, social, and health psychology. This book also serves as a supplementary text in graduate courses on educational measurement, psychometrics, or item response theory.
Author: John McIver
Publisher: SAGE
ISBN: 9780803917361
Category : Mathematics
Languages : en
Pages : 100
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Book Description
This series of methodological works provides introductory explanations and demonstrations of various data analysis techniques applicable to the social sciences. Designed for readers with a limited background in statistics or mathematics, this series aims to make the assumptions and practices of quantitative analysis more readily accessible.
Author: David D. Williams
Publisher: IGI Global
ISBN: 1591407494
Category : Education
Languages : en
Pages : 343
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Book Description
"This book provides a view of the possibilities and challenges facing online educators and evaluators in the 21st century"--Provided by publisher.
