The Performance of Mantel-Haenszel Procedures in the Identification of DIF Items
iojesCilt 2011/3, Sayı 2-legacy-130
Item bias is a major threat to measurement validity. This research examined the Type I error and power of the MH test by varying the magnitude of DIF, test score (matching criterion) purification types (single-stage, two-stage, and iterative), test length, …