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DFIT: Differential Functioning of Items and Tests

A set of functions to perform Raju, van der Linden and Fleer's (1995, <doi:10.1177/014662169501900405>) Differential Functioning of Items and Tests (DFIT) analyses. It includes functions to use the Monte Carlo Item Parameter Replication approach (Oshima, Raju, & Nanda, 2006, <doi:10.1111/j.1745-3984.2006.00001.x>) for obtaining the associated statistical significance tests cut-off points. They may also be used for a priori and post-hoc power calculations (Cervantes, 2017, <doi:10.18637/jss.v076.i05>).

Version: 1.1
Imports: msm, mirt, simex, mvtnorm, ggplot2
Published: 2021-08-17
DOI: 10.32614/CRAN.package.DFIT
Author: Victor H. Cervantes
Maintainer: Victor H. Cervantes <vhcervantesb at unal.edu.co>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Citation: DFIT citation info
Materials: README NEWS
In views: Psychometrics
CRAN checks: DFIT results

Documentation:

Reference manual: DFIT.pdf

Downloads:

Package source: DFIT_1.1.tar.gz
Windows binaries: r-devel: DFIT_1.1.zip, r-release: DFIT_1.1.zip, r-oldrel: DFIT_1.1.zip
macOS binaries: r-release (arm64): DFIT_1.1.tgz, r-oldrel (arm64): DFIT_1.1.tgz, r-release (x86_64): DFIT_1.1.tgz, r-oldrel (x86_64): DFIT_1.1.tgz
Old sources: DFIT archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=DFIT to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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