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Seitz, Sue; And Others – 1968
Twenty high mental age (MA) subjects and 33 low MA subjects who had been in a free word association test 30 months previously were retested with the Moran 80-Word List. At the time of the previous testing, subjects in the high group had a mean chronological age (CA) of 17.1 and mean MA of 11.5; subjects in the low group had a mean CA of 15.3 and…
Descriptors: Abstract Reasoning, Age Differences, Association Measures, Child Development

Benbow, Camilla Persson; Stanley, Julian C. – Science, 1983
Results of seventh-grade students taking Scholastic Aptitude Test indicate that, by age 13, a large sex difference in mathematical reasoning ability exists; among students scoring greater than 700, boys outnumbered girls 13 to 1. Hypothesized factors thought to influence the difference (such as course taking, attitudes) were not supported by data…
Descriptors: Abstract Reasoning, Academically Gifted, Cognitive Ability, Environmental Influences
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