Testlet response theory and its applications / Howard Wainer, Eric T. Bradlow, Xiaohui Wang.

Includes bibliographical references (pages 251-260) and indexes.

pt. I, Introduction to testlets. Introduction -- True score theory -- Item response theory -- What's a testlet and why do we need them? -- The origins of testlet response theory : three alternatives -- Fitting testlets with polytomous IRT models -- pt. II, -- Bayesian testlet response theory. A brief history and the basic ideas of modern testlet response theory -- The 2-PL Bayesian testlet model -- The 3-PL Bayesian testlet model -- A Bayesian testlet model for a mixture of binary and polytomous data -- A Bayesian testlet model with covariates -- Testlet nonresponse theory: dealing with missing data -- pt. III, Two applications and a tutorial. Using posterior distributions to evaluate passing scores: the PPoP curve -- A Bayesian method for studying DIF: a cautionary tale filled with surprises and delights -- A Bayesian primer.

The first comprehensive description of a scoring model for tests composed of smaller tests focusing on narrow topics.

Print version record.

English.

eBooks on EBSCOhost EBSCO eBook Subscription Academic Collection - Worldwide