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Brainerd, Charles J. – 1974
The criterion problem in the neoPiagetian cognitive-developmental literature is reviewed. This problem has provoked debate in the context of three empirical questions: concept age norms, concept training effects, and concept invariant sequences. It is argued that only the question of invaniant sequences in same-stage concepts is theoretically…
Descriptors: Abstract Reasoning, Age Groups, Cognitive Measurement, Concept Formation