difR: Collection of Methods to Detect Dichotomous Differential Item
Functioning (DIF)
Provides a collection of standard methods to detect differential item functioning among dichotomously scored items. Methods for uniform and non-uniform DIF, based on test-score or IRT methods, for comparing two or more than two groups of respondents, are available (Magis, Beland, Tuerlinckx and De Boeck,A General Framework and an R Package for the Detection of Dichotomous Differential Item Functioning, Behavior Research Methods, 42, 2010, 847-862 <doi:10.3758/BRM.42.3.847>).
| Version: |
5.1 |
| Depends: |
R (≥ 3.0.0) |
| Imports: |
mirt, ltm, lme4, deltaPlotR |
| Published: |
2020-05-13 |
| Author: |
David Magis (U Liege), Sebastien Beland (U Montreal) and Gilles Raiche (UQAM) |
| Maintainer: |
David Magis <david.magis at gmail.com> |
| License: |
GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: |
no |
| Citation: |
difR citation info |
| Materials: |
NEWS |
| In views: |
Psychometrics |
| CRAN checks: |
difR results |
Documentation:
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