The Perry Preschool Project assessed longitudinal effects of a 2-year program consisting of a daily 3-hour cognitively oriented nursery, a weekly 90-minute home visit, and less frequent group meetings of the pupils' parents. Subjects consisted of 3- and 4-year-old Negro disadvantaged and functionally retarded children, whose pretest scores on the…

A project was undertaken in 1965 in 3 elementary schools in Wayne County School District, Utah, to determine if students entering small, rural schools have cultural disadvantages and, if so, to develop materials and procedures to meet such deficiencies. Pretesting revealed significant differences in vocabulary development and experiential…