James Madison University 3 credits PSYC
This examines the use of item response theory models for test construction and ability estimation. Models for tests with dichotomous and polytomous items will be covered. Other topics for discussion include advantages and disadvantages of IRT relative to classical test theory, the detection of differential item functioning (or item bias) and the role of IRT in computer adaptive testing. Prerequisite(s): PSYC 606 .
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