Reference : A generalized logistic regression procedure to detect differential item functioning amon...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Mathematics
http://hdl.handle.net/2268/93848
A generalized logistic regression procedure to detect differential item functioning among multiple groups
English
Magis, David mailto [Université de Liège - ULg > Département de mathématique > Statistique mathématique >]
Raîche, Gilles [ > > ]
Béland, Sébastien [ > > ]
Gérard, Paul mailto [ > > ]
2011
International Journal of Testing
Lawrence Erlbaum Associates, Inc.
11
365-386
Yes (verified by ORBi)
International
1530-5058
[en] Differential item functioning ; Multiple groups ; Logistic regression
[en] We present an extension of the logistic regression procedure to identify dichotomous differential item functioning (DIF) in the presence of more than two groups of respondents. Starting from the usual framework of a single focal group, we propose a general approach to estimate the item response functions in each group and to test for the presence of uniform DIF, non uniform DIF, or both. This generalized procedure is compared to other existing DIF methods for multiple groups with a real data set on language skill assessment. Emphasis is put on the flexibility, completeness and computational easiness of the generalized method.
http://hdl.handle.net/2268/93848

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