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Direct linkWalker, Cindy M.; Zhang, Bo; Banks, Kathleen; Cappaert, Kevin – Educational and Psychological Measurement, 2012
The purpose of this simulation study was to establish general effect size guidelines for interpreting the results of differential bundle functioning (DBF) analyses using simultaneous item bias test (SIBTEST). Three factors were manipulated: number of items in a bundle, test length, and magnitude of uniform differential item functioning (DIF)…
Descriptors: Test Bias, Test Length, Simulation, Guidelines
