Cognitive deficits in black and other minority children have been assumed, described, and then explained. In direct and indirect ways, the "evidence," especially in the broad public domain has been mounting to suggest a genetic cause for discovered differences between racial groups on test of aptitude and achievement. It is the purpose of the…

This paper critically examines the portions of Arthur Jensen's books, "Genetics and Education" and "Educability and Group Differences," that concern Barbara Burks' 1928 study of adoptive families. Jensen cites the low correlations of children's IQs with measures of home environment from Burks' study as evidence that environment…