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, thi…
"Designed for researchers, psychometric professionals, and advanced students, this book clearly presents both the "how-to" and the "why" of item response theory (IRT). It describes simple and more complex IRT models and shows how they are applied with the help of widely availabl…
"Simple to more complex models are covered in consistently formatted chapters that build sequentially. The book takes the reader from model development through the fit analysis and interpretation phases that would be performed in practice. To facilitate understanding, common dat…