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Age Differences2
Exceptional Child Research2
Mental Retardation2
Mild Mental Retardation2
Symbolic Learning2
Classification1
Cognitive Development1
Cognitive Processes1
Intelligence Quotient1
Longitudinal Studies1
Memory1
Task Performance1
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American Journal of Mental…2
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McLaughlin, John A.1
Silverman, Wayne P.1
Stephens, Beth1
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High Speed Scanning of Nonalphanumeric Symbols in Cultural-Familially Retarded and Nonretarded Children
Peer reviewed Peer reviewed
Silverman, Wayne P. – American Journal of Mental Deficiency, 1974
Descriptors: Age Differences, Exceptional Child Research, Intelligence Quotient, Memory
Two-Year Gains in Reasoning by Retarded and Nonretarded Persons
Peer reviewed Peer reviewed
Stephens, Beth; McLaughlin, John A. – American Journal of Mental Deficiency, 1974
Descriptors: Age Differences, Classification, Cognitive Development, Cognitive Processes