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>).

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Description file content

Package
difR
Type
Package
Title
Collection of Methods to Detect Dichotomous Differential Item Functioning (DIF)
Version
5.0
Date
2018-05-08
Author
David Magis (U Liege), Sebastien Beland (U Montreal) and Gilles Raiche (UQAM)
Maintainer
David Magis
Depends
R (>= 3.0.0)
Imports
mirt, ltm, lme4, deltaPlotR
Description
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 ).
License
GPL (>= 2)
LazyLoad
yes
NeedsCompilation
no
Packaged
2018-05-08 05:57:27 UTC; David
X-CRAN-Comment
Versions prior to 4.7 had 'License_restricts_use: yes'.
Repository
CRAN
Date/Publication
2018-05-14 13:38:00 UTC

install.packages('difR')

5.0

2 months ago

David Magis

GPL (>= 2)

Depends on

R (>= 3.0.0)

Imports

mirt, ltm, lme4, deltaPlotR

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