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Rossi, Sheila; Wittrock, M. C. – Child Development, 1971
Descriptors: Age Differences, Cluster Grouping, Developmental Psychology, Intellectual Development
Lawton, Joseph T.; And Others – 1978
This study compared the effects of a formal, an open-framework, and a control preschool program on children's intellectual development. The formal program, based on Ausubel's and Piaget's theories, had a daily schedule of short prescriptive teaching sessions followed by related learning activities. The informal program, based on Piaget's theory,…
Descriptors: Classification, Comparative Analysis, Concept Formation, Conservation (Concept)