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Developmental Psychology	2
Developmental Tasks	2
Elementary School Students	2
Age Differences	1
Conservation (Concept)	1
Cross Cultural Studies	1
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Child Development

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Dean, Anne	1
Toussaint, N. A.	1
Youniss, James	1

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An Analysis of Synchrony between Concrete-operational Tasks in Terms of Structural and Performance Demands

Peer reviewed

Toussaint, N. A. – Child Development, 1974

A set of tasks theoretically presumed to require equivalent logical competence (multiplication of classes, multiplication of relations, seriation, and transitivity) was administered to 64 first and second graders. Response measures emphasizing the operative and figurative aspects were compared within each task. (Author/SDH)

Descriptors: Developmental Psychology, Developmental Tasks, Elementary School Students, Factor Analysis

Judgment and Imaging Aspects of Operations: A Piagetian Study with Korean and Costa Rican Children

Peer reviewed

Youniss, James; Dean, Anne – Child Development, 1974

Descriptors: Age Differences, Conservation (Concept), Cross Cultural Studies, Developmental Psychology