EPSY 6250 - Item Response Theory

3 hours

The Common Factor model of measurement and latent variables with IRT concepts, models, and assumptions. Item and trait/ability parameter estimation with Rasch, 2, and 3 parameter dichotomous models, and polytomous IRT models. Test reliability, development, equating, bias (DIF), computer adaptive testing, and multidimensional models.

Prerequisite(s): EPSY 5350 or EPSY 6220 or equivalent.