Item-Wise Score-Based DIF Detection

Detection of item-wise Differential Item Functioning (DIF) in fitted 'mirt', 'multipleGroup' or 'bfactor' models using score-based structural change tests. Under the hood the sctest() function from the 'strucchange' package is used.


Reference manual

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0.1.1 by Dries Debeer, a year ago

Browse source code at

Authors: Dries Debeer [cre, aut]

Documentation:   PDF Manual  

GPL-3 license

Imports sandwich, strucchange, mirt, zoo

Suggests mvtnorm, psychotree, knitr, rmarkdown, testthat

Imported by mstDIF.

See at CRAN