This study compares two methods of defining groups for the detection of differential item functioning (DIF): (a) pairwise comparisons and (b) composite group comparisons. We aim to emphasize and empirically support the notion that the choice of pairwise versus composite group definitions in DIF is a reflection of how one defines fairness in DIF…

In a quasi-experimental evaluation of the possible role of stereotype threat in the academic performance of college students with learning disabilities (LD), students with (N = 29) and without (N = 62) identified LD took a simulated Verbal GRE® task in one of two conditions modeled after those used in past stereotype threat (ST) research. The task…

A random sample of October, 1979, test sites was selected to assess the potential bias of the ACT Assessment. From this sample, sites which tested at least five Anglos and five Hispanics were included; the final sample contained a total of 876 students (403 Anglo and 373 Hispanic). Using the primary hypothesis, "There is no interaction…