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Peer reviewed Peer reviewed
O'Reilly, Edmond; Steger, Joseph A. – Child Development, 1970
Descriptors: Age Differences, Cognitive Development, Conservation (Concept), Elementary School Students
Peer reviewed Peer reviewed
Youniss, James; Dean, Anne – Child Development, 1974
Descriptors: Age Differences, Conservation (Concept), Cross Cultural Studies, Developmental Psychology
Moore, Gary W. – 1978
A study was designed to develop an instrument and methodological procedure to assess transitive relations within seriation problems in elementary school children using three criteria: explanations, judgments, and strategies. A secondary analysis to assess transitivity used the three criteria according to whether the children were conservers, in…
Descriptors: Abstract Reasoning, Age Differences, Cognitive Processes, Concept Formation
Johnson, Martin L.
The purposes of this study were to: (1) determine the influence of a series of experiences involving the equivalence relation "same length as" and the asymmetric transitive relations "longer than" and "shorter than" on the ability of first and second grade children to classify and seriate objects on the basis of length; (2) investigate the…
Descriptors: Age Differences, Classification, Conservation (Concept), Educational Research