To reemphasize the dangers inherent in the misuse of testing instruments, a study of language and cognitive development in poverty preschoolers investigated 1) whether the interpretation of Peabody scores could be applied to this population, and 2) the contribution of the linguistic form of the Peabody to performance. (MS)

The effects of the changing nature of intelligence test items during the follow-up period for compensatory education program evaluations on the judgments about program effectiveness are examined. Data from the Stanford-Binet and from three compensatory education evaluations, are examined. Methods for dealing with differential validity are…

Program objectives were to develop children's abilities to deal with everyday and school related problems, and to make them more inner-directed by (1) developing a positive self-image, (2) increasing sensory and perceptual acuity, (3) improving language skills, and (4) improving problem-solving and concept formation abilities. Forty-five…