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Cognitive Development1
Cognitive Processes1
Concept Formation1
Exceptional Child Research1
Intelligence Differences1
Mental Retardation1
Source
American Journal of Mental…1
Author
Balla, David1
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Use of the Opposition Concept and Outerdirectiveness in Intellectually-Average, Familial Retarded, and Organically Retarded Children
Peer reviewed Peer reviewed
Balla, David; And Others – American Journal of Mental Deficiency, 1971
Descriptors: Cognitive Development, Cognitive Processes, Concept Formation, Exceptional Child Research