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Download full textGruen, Gerald E. – 1971
Three studies compared learning and problem-solving performances of normal and familially-retarded children on tasks differing in complexity, and one study investigated motivational-personality differences. Main purpose of the first three studies was to investigate the controversy between developmental and defect theorists in mental retardation.…
Descriptors: Cognitive Processes, Difficulty Level, Exceptional Child Research, Intelligence Differences
Peer reviewedOdom, Penelope B. – American Journal of Mental Deficiency, 1974
Descriptors: Concept Formation, Decision Making, Dimensional Preference, Elementary School Students
MacMillan Donald L. – Amer J Ment Deficiency, 1969
Descriptors: Age Differences, Cognitive Development, Exceptional Child Research, Intelligence Differences
Coates, Brian; Moffitt, Alan R. – Amer J Ment Deficiency, 1969
Descriptors: Cognitive Processes, Discrimination Learning, Exceptional Child Research, Intelligence Differences
Stein, Joan Lerner; Budoff, Milton – 1973
Compared were performances of 39 educable mentally retarded (EMR) Ss, mean chronological age (CA) 11 1/2 years, mean mental age (MA) 7 3/4 years; 25 fifth graders matched on CA; and 27 second graders matched on MA to determine whether children of different ages and IQ spontaneously demonstrate learning strategies after repeated practice with…
Descriptors: Age Differences, Children, Exceptional Child Research, Intelligence Differences
Williams, Charlotte L.; Tillman, M. H. – 1968
The effects of age and intelligence levels upon word associations were studied in 96 intellectually retarded, normal, and superior children with IQ's of 65 to 80, 91 to 110, and 117 to 158 respectively. A word association and a word usage task (reliability coefficients of .91 and .98) called for homogeneous responses to six form classes--count…
Descriptors: Abstract Reasoning, Adjectives, Adverbs, Age Differences
