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The Value of the Studied Item in the Matching Criterion in Differential Item Functioning (DIF) Analysis. Research Report. ETS RR-10-13
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Tan, Xuan; Xiang, Bihua; Dorans, Neil J.; Qu, Yanxuan – Educational Testing Service, 2010
The nature of the matching criterion (usually the total score) in the study of differential item functioning (DIF) has been shown to impact the accuracy of different DIF detection procedures. One of the topics related to the nature of the matching criterion is whether the studied item should be included. Although many studies exist that suggest…
Descriptors: Test Bias, Test Items, Item Response Theory