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Russell, Michael; Szendey, Olivia; Li, Zhushan – Educational Assessment, 2022
Recent research provides evidence that an intersectional approach to defining reference and focal groups results in a higher percentage of comparisons flagged for potential DIF. The study presented here examined the generalizability of this pattern across methods for examining DIF. While the level of DIF detection differed among the four methods…
Descriptors: Comparative Analysis, Item Analysis, Test Items, Test Construction