In a study to determine whether or not culturally deprived children develop at progressively greater deficits in intellectual functioning during the ages of 15 months to 3 years, tutors provided 15-month-old infants with intellectual and verbal stimulation one hour daily, five times a week until they were 36 months old. The subjects consisted of…

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…

This preschool program concentrated on language development, self-concept, perception, and concept formation. Also, a vertically organized program of reading, math, science, and creative dramatics, along with parent activity, inservice training, and dissemination, covered prekindergarten through the third grade. Individual and small group work…

This study attempted to ameliorate the educational deficits of infants using structured tutorial programs of language and concept training in the home. It was part of a larger project whose purpose was to determine the age at which intervention will produce maximum acceleration of cognitive development. Subjects were 20 disadvantaged 8- and…