To find the concurrent validity of two scholastic aptitude tests when a scholastic achievement test was used as a criterion for use in placement of mentally retarded children, 127 subjects were involved. The California Achievement Test (CAT) was used as a criterion measure, and the Primary Mental Abilities test (PMA) and the Slosson Intelligence…

This article presents the background, the history, and the implications of the Larry P. v Riles decisions in 1972 and in 1979 in which a federal district court enjoined California from using any standardized intelligence tests to assess Black children for eligibility for classes of educable mentally retarded. (Author/CTM)

The analysis in this article is directed to the basic issues: Are IQ tests biased against Black children? And are IQ tests valid for the placement of Black children in special programs? The research evidence on these major issues is ambiguous and contradictory. (Author/CTM)

The Larry P. decision is criticized with reference to: (1) predictive tests and the standard curriculum; (2) the court's portrayal of special classes; (3) the effects of the 1972 decision on special class enrollment; (4) semantic confusion; and (5) the impact on Black children who experience academic difficulty. (Author/CTM)