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Couzens, Donna; Cuskelly, Monica; Haynes, Michele – American Journal on Intellectual and Developmental Disabilities, 2011
Growth models for subtests of the Stanford-Binet Intelligence Scale, 4th edition (R. L. Thorndike, E. P. Hagen, & J. M. Sattler, 1986a, 1986b) were developed for individuals with Down syndrome. Models were based on the assessments of 208 individuals who participated in longitudinal and cross-sectional research between 1987 and 2004. Variation…
Descriptors: Sentences, Down Syndrome, Memory, Cognitive Development
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