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Vikan, Arne – Journal of Genetic Psychology, 1973
Experiment designed to answer questions regarding the correspondence between concrete and abstract actions. (Author/CB)
Descriptors: Abstract Reasoning, Cognitive Development, Data Analysis, Grade 1
Klausmeier, Herbert J.; And Others – 1976
Piaget's model of children's conceptual learning and development was compared with Klausmeier's Conceptual Learning and Development (CLD) model in a longitudinal study. The CLD model suggests four successive levels of concept learning: (1) concrete--recognizing an object which has been encountered previously; (2) identity--recognizing a known…
Descriptors: Abstract Reasoning, Classification, Cognitive Development, Cognitive Measurement