regDIF-package {regDIF}

Regularized differential item functioning for IRT and CFA models.

Description

Regularized Differential Item Functioning

Details

regDIF is a package that performs regularization of differential item functioning (DIF) in item response theory (IRT) and confirmatory factor analysis (CFA) models using a penalized expectation-maximization algorithm.

Author(s)

William Belzak [e-mail]