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Peer reviewed Peer reviewed
Bortner, Morton; And Others – Journal of Special Education, 1972
Descriptors: Children, Exceptional Child Research, Hyperactivity, Intelligence Differences
Peer reviewed Peer reviewed
Walker, Harry A.; Bortner, Morton – Journal of Autism and Childhood Schizophrenia, 1975
Descriptors: Children, Classification, Cognitive Processes, Concept Formation
Bortner, Morton; Birch, Herbert G. – J Spec Educ, 1969
Descriptors: Comparative Analysis, Elementary School Students, Emotional Disturbances, Exceptional Child Research