Factors that might influence differential item functioning values associated with 217 Scholastic Assessment Test and 234 Graduate Record Examination analogy items were studied with black examinees and white examinees. For 11 test forms, the median numbers of examinees were 6,265 blacks and 37,735 whites. The significant ethnic comparisons are…

This study evaluated 16 hypotheses concerning possible sources of bias in test items on the Graduate Record Examination General Test. Ten of the hypotheses showed interactions between group membership and the item version indicating a differential effect of the item manipulation on the performance of Black and White examinees. (Author/LMO)