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Baird, Raymond r.; Bee, Helen L. – Child Develop, 1969
Paper based on an MS degree submitted by Raymond R. Baird to the University of Washington.
Descriptors: Cognitive Development, Concept Formation, Elementary School Students, Grade 2
Mermelstein, Egon; Meyer, Edwina – Child Develop, 1969
Research supported by the U.S. Office of Economic Opportunity grant 1492.
Descriptors: Cognitive Development, Concept Formation, Conflict, Conservation (Concept)