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Peer reviewed Peer reviewed
Balla, David; And Others – American Journal of Mental Deficiency, 1971
Descriptors: Cognitive Development, Cognitive Processes, Concept Formation, Exceptional Child Research
Peer reviewed Peer reviewed
Odom, Penelope B. – American Journal of Mental Deficiency, 1974
Descriptors: Concept Formation, Decision Making, Dimensional Preference, Elementary School Students