By Margaret Wu, Hak Ping Tam, Tsung-Hau Jen
This booklet is a helpful learn for a various staff of researchers and practitioners who research overview information and build attempt tools. It specializes in using classical try concept (CTT) and merchandise reaction conception (IRT), that are usually required within the fields of psychology (e.g. for measuring mental traits), health and wellbeing (e.g. for measuring the severity of disorders), and schooling (e.g. for measuring pupil performance), and makes those analytical instruments obtainable to a broader audience.
Having taught evaluate topics to scholars from diversified backgrounds for a few years, the 3 authors have a wealth of expertise in featuring academic size subject matters, in-depth strategies and purposes in an available structure. As such, the ebook addresses the wishes of readers who use CTT and IRT of their paintings yet don't inevitably have an intensive mathematical history. The e-book additionally sheds mild on universal misconceptions in utilizing size versions, and provides an built-in method of diversified dimension tools, corresponding to contrasting CTT with IRT and multidimensional IRT types with unidimensional IRT types. anywhere attainable, comparisons among types are explicitly made. additionally, the e-book discusses strategies for attempt equating and differential merchandise functioning, in addition to Bayesian IRT versions and believable values utilizing uncomplicated examples.
This e-book can function a textbook for introductory classes on academic size, as supplementary examining for complex classes, or as a precious reference consultant for researchers drawn to interpreting scholar review data.
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