Criticized 3 recent studies on the single-group and differential validity hypotheses (C. J. Barlett et al, V. R. Boehm, and R. A. Katzell and F. J. Dyer; see PA, Vol 59:2205, 2206, and 2212, respectively). The single-group validity hypothesis asserts that some tests will be valid for Whites but not Blacks, and vice versa; it is suggested that the evidence against this hypothesis is now virtually
... [Show full abstract] overwhelming. The differential validity hypothesis asserts that some tests will be more valid for one race than the other; it is suggested that the evidence now suggests that this hypothesis will also prove false. (PsycINFO Database Record (c) 2012 APA, all rights reserved)