Screening Test Items for Differential Item Functioning

Nicholas T. Longford

Journal of Educational and Behavioral Statistics, 2014, vol. 39, issue 1, 3-21

Abstract: A method for medical screening is adapted to differential item functioning (DIF). Its essential elements are explicit declarations of the level of DIF that is acceptable and of the loss function that quantifies the consequences of the two kinds of inappropriate classification of an item. Instead of a single level and a single function, sets of plausible levels and plausible functions may be declared. Some extensions are outlined, and a simulation study is presented.

Keywords: differential item functioning; hypothesis test; loss function; plausible values; screening (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:sae:jedbes:v:39:y:2014:i:1:p:3-21

DOI: 10.3102/1076998613515751

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