An experimental group of 22 preschool children from Inkster, Michigan, participated in an April 1967 to August 1967 prekindergarten enrichment program for low socioeconomic children. The program classes were unstructured and permissive. A contrast group of 33 children was also chosen. Both groups of children participated in a preschool program…

The Westinghouse Learning Corporation and Ohio University carried out a study on the impact of Head Start for the Office of Economic Opportunity. The main inquiry of the study concerned the difference between Head Start first, second, and third graders and non-Head Start first, second, and third graders in intellectual and social-personal…