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Please use this identifier to cite or link to this item: http://hdl.handle.net/11299/116372

Title: Detection of differential item functioning in the graded response model
Authors: Cohen, Allan S.
Kim, Seock-Ho
Baker, Frank B.
Issue Date: 1993
Citation: Cohen, Allan S, Kim, Seock-Ho & Baker, Frank B. (1993). Detection of differential item functioning in the graded response model. Applied Psychological Measurement, 17, 335-350. doi:10.1177/014662169301700402
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.
URI: http://purl.umn.edu/116372
Appears in Collections:Volume 17, 1993

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