Intellectual functioning impacts defendants' competence to stand trial, though research on this population remains limited. This study replicated and advanced prior work, focusing on defendants' demographic, clinical, cognitive, and criminal justice variables and their association with length of hospitalization and restoration determinations.…

The specificity doctrine, holds that psychometric tests measure nothing other than the specific bits of knowledge and learned skills reflected in the item content of the tests. This prevailing doctrine has influenced the interpretation of test scores and the conceptualization of test validity, as well as the practical use of tests in educational…

The controversy over intelligence testing is more often influenced by political considerations than empirical research. A survey of 1,020 experts found that a majority agree that (1) intelligence can be defined; (2) heredity plays a role in individual and group IQ differences; and (3) intelligence testing in schools should continue at its present…

Relationship between ability tests and race and issues of famous lawsuits concerning possible bias in intelligence tests are summarized. Reasons for the origins of ethnic and racial differences in general intellectual ability are considered. Prospects for the reduction of group differences and conflicts are discussed. (SLD)

This article addresses the question of why intelligence tests were put on trial. The courts had to weigh the validity of intelligence tests once California chose to rely upon intelligence tests to justify the large numbers of Black children in classes for the educable mentally retarded. (Author/CTM)