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Klausmeier, Herbert J.

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Third Cross-Sectional Study of Attainment of the Concepts "Equilateral Triangle,""Cutting Tool,""Noun," and "Tree" By Children Age 7 to 17. Technical Report No. 427. Reprinted December 1977.

Klausmeier, Herbert J.; And Others – 1976

The Conceptual Learning and Development (CLD) Model specifies four levels of concept attainment (concrete, identity, classificatory, and formal) and three uses of concepts (problem solving, subordinate-supraordinate, and principles). Longitudinal and cross-sectional studies of concept attainment may be conducted. The results of this study of 300…

Descriptors: Abstract Reasoning, Age Differences, Cognitive Development, Cognitive Measurement