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American Institutes for Research in the Behavioral Sciences, Palo Alto, CA. – 1969
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…
Descriptors: Cognitive Development, Cognitive Processes, Compensatory Education, Developmental Tasks
Strahan, David B.; O'Sullivan, Rita – 1986
The purpose of this study was to examine for the middle grades how students' cognitive reasoning level contributes to the variability of their achievement test performance. While previous investigations have indicated that measures of reasoning development are associated with measures of achievement, few such studies have attempted to control for…
Descriptors: Abstract Reasoning, Academic Achievement, Academic Aptitude, Achievement Tests