Current studies of cognition emphasize the contrast between two approaches to analysis of individual differences. It is concluded that the cognitive components approach incorporates the cognitive correlates approach, avoids the inadequacy of correlational methods, and models individual differences on various dimensions of cognitive functioning.…

A review of the basic information on intelligence testing as a schooling practice is presented, including a discussion of what intelligence is and three psychological approaches to studying intelligence (psychometric, behavioristic, and developmental). All intelligence tests derived from the psychometric approach are standardized and…

This review of the research literature on ability grouping and tracking draws on professional and scholarly research journals and electronic databases. Five assumptions have been used to support the recurring practices of tracking and ability grouping, but none of these assumptions has withstood close examination in 70 years of research. They are:…