lordif: Logistic Ordinal Regression Differential Item Functioning using IRT

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>.

Package details

AuthorSeung W. Choi [aut, cre], Laura E. Gibbons [aut], Paul K. Crane [aut]
MaintainerSeung W. Choi <schoi@austin.utexas.edu>
LicenseGPL (>= 2)
Version0.4.2
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("lordif")

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lordif documentation built on April 3, 2025, 10:37 p.m.