DFIT (1.0-3)

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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).

Maintainer: Victor H. Cervantes
Author(s): Victor H. Cervantes <vhcervantesb@unal.edu.co>

License: GPL (>= 2)

Uses: ggplot2, mvtnorm, simex

Released almost 3 years ago.

2 previous versions



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