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Detection of differential item functioning in the graded response model
Cohen, Allan S.; Kim, Seock-Ho; Baker, Frank B. (1993)
 

Title 
Detection of differential item functioning in the graded response model

Issue Date
1993

Type
Article

Abstract
Methods for detecting differential item functioning (DIF) have been proposed primarily for the item response theory dichotomous response model. Three measures of DIF for the dichotomous response model are extended to include Samejima’s graded response model: two measures based on area differences between item true score functions, and a χ² statistic for comparing differences in item parameters. An illustrative example is presented. Index terms: differential item functioning, graded response model, item response theory.

Appears in Collection(s)

Other Identifier(s)
other: doi:10.1177/014662169301700402

Suggested Citation
Cohen, Allan S.; Kim, Seock-Ho; Baker, Frank B.. (1993). Detection of differential item functioning in the graded response model. Retrieved from the University of Minnesota Digital Conservancy, http://purl.umn.edu/116372.


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