The Theory and Practice of Item Response Theory
By (author) R.J. de Ayala
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Theory and Practice of Item Response Theory by R.J. de Ayala
Book DescriptionItem 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.
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Book DetailsISBN: 9781593858698
(246mm x 174mm x 25mm)
Imprint: Guilford Publications
Publisher: Guilford Publications
Publish Date: 31-Jan-2009
Country of Publication: United States
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Author Biography - R.J. de Ayala
R. J. de Ayala is Professor of Educational Psychology at the University of Nebraska-Lincoln. His research interests include psychometrics, item response theory, computerized adaptive testing, applied statistics, and multilevel models. His work has appeared in Applied Psychological Measurement, Applied Measurement in Education, the British Journal of Mathematical and Statistical Psychology, Educational and Psychological Measurement, the Journal of Applied Measurement, and the Journal of Educational Measurement. He is a Fellow of the American Psychological Association's Division 5: Evaluation, Measurement, and Statistics, as well as of the American Educational Research Association.
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