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Jeeves, M. A. – Educational Studies in Mathematics, 1971
Task performance experiments concerning properties of mathematical groups with 10 and 11 year-old children are discussed including transfer effects, effects of structural relations, individual differences, and memory (both short and long term). (JG)
Descriptors: Child Development, Cognitive Development, Conference Reports, Developmental Tasks
Nunez-Niebuhr, Virginia A.; Jones-Molfese, Victoria – 1976
Piaget, in describing the sequence of classificatory development, describes class inclusion as composed of two processes; hierarchical classification and post-whole comparisons. In the experiment reported here, elementary school children, trained in the concept of sets in first grade mathematics were given a task where they were required to assess…
Descriptors: Age Differences, Child Development, Classification, Cluster Grouping