Attention is drawn to the ways in which current conceptions of intelligence and its measurement differ from those which were generally accepted in 1928. The following principles underlying intelligence testing were generally agreed upon in 1928: (1) the assumption of intelligence as a recognizable attribute, responsible for differences among…

The primary goal of this review is to acquaint developmental psychologists who have had little experience in the study of individual differences in cognition with some of the basic rules that govern this type of research. A second goal is to stimulate researchers to consider the potential benefits of studying differences among individuals whose…

Bayley's major contributions to developmental psychology are reviewed. These include her concern with measurement and methodology and her early anticipation of such topics as behavior genetics. Her work in such areas as androgyny and body build, motor and mental development, and maternal and child behaviors is summarized. (LB)

Reviews the 3-R's Test that measures achievement in three academic content areas: reading, language, and mathematics. Cautions that it lacks data supporting its validity and scaling. (HOD)

Discusses the increasing educational opportunities for culturally and linguistically different preschool children and suggests that there is a growing need to ensure accurate identification of minority-language preschoolers with special needs. Offers strategies to improve the value of diagnostic information and presents issues to consider at each…