lordif

Logistic Ordinal Regression Differential Item Functioning using IRT

CRAN Package

Performs analysis of Differential Item Functioning (DIF) for dichotomous and polytomous items using an iterative hybrid of ordinal logistic regression and item response theory (IRT) according to Choi, Gibbons, and Crane (2011) doi:10.18637/jss.v039.i08.

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  • Depends4 packages
  • Reverse Imports1 package