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Journal of Genetic Psychology1
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Very, Philip S.; Iacono, Carmine H. – Journal of Genetic Psychology, 1970
Analysis of the mental factors of seventh grade students indicates that numerical facility and perceptual speed are a single factor at this age level and that no purely verbal factor exists. Seven clearly differentiated factors are found for males and five for females. (Author/WY)
Descriptors: Abstract Reasoning, Cognitive Ability, Cognitive Processes, Intelligence