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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

Wesson, James B. – School Science and Mathematics, 1992
Reports development and results of the Kramer Project, a two-year study of the implementation of a problem-solving, activity-based mathematics program in the elementary grades. Describes the mathematical content covered, participating teachers, instructional materials employed, inservice teacher training provided, and academic achievement gains of…
Descriptors: Discovery Learning, Discovery Processes, Educational Change, Elementary Education