In this study, a group of first graders who had attended full-year Head Start were compared cognitively to a group of first graders who had been eligible for Head Start but did not attend. Results of the study may be suspect because the children who participated in Head Start were selected from the most deprived of those eligible; therefore study…

The purpose of the study was to determine the effectiveness of a "packaged" language development program, on the general cognitive, intellectual, and language development of preschool children. A selected basic language program (Buchanan Language Readiness Program) and supplementary materials (other language programs), were used to…