IRTPRO 是單一向度和多向度的項目反應理論模型的應用程式。

IRTPRO for Windows is a Windows application for unidimensional and multidimensional item response theory modeling.

Unidimensional and multidimensional (confirmatory or exploratory) versions of the following widely used response functions: Two-parameter logistic (2PL) [includes the one-parameter logistic (1PL) with equality constraints], Three-parameter logistic (3PL), Graded, Generalized Partial Credit, and Nominal.