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Scholnick, Ellin Kofsky – Child Develop, 1970
Descriptors: Cognitive Development, Concept Formation, Discrimination Learning, Grade 2
Ahammer, Inge M.; Goulet, L. R. – Child Develop, 1969
Based on an MA thesis (Ahammer) submitted to West Virginia University.
Descriptors: Age Differences, Concept Formation, Discrimination Learning, Reinforcement