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Gohm, Carol L.; Humphreys, Lloyd G.; Yao, Grace – Intelligence, 1998
When spatial ability was regressed on a measure of general intelligence in a large national sample of 12th graders, a bimodal distribution of spatial ability was found among low scoring students, suggesting two qualitatively different types of individuals. Characteristics of these students are discussed, and an organic impairment is suggested as…
Descriptors: Grade 12, High School Seniors, High Schools, Individual Differences
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Cohen, Ronald L.; Heath, Michele – Intelligence, 1990
The working memory hypothesis that the development of span in children is related to increasing proficiency in the use of an articulatory loop was tested in two studies with 120 Canadian children in grades 5 and 6 and 11 and 12. Some support was found for the hypothesis. (SLD)
Descriptors: Child Development, Children, Cognitive Development, Cognitive Processes