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Jensen, Arthur R. – Behavior Genetics, 1975
Evidence on the poorer spatial visualization ability in various Negro populations compared to the White populations and on the direction and magnitude of sex differences in spatial ability relative to other abilities suggests the genetic hypothesis that spatial ability is enhanced by a sex-linked recessive gene and that, since the 20-30 percent…
Descriptors: Biological Influences, Genetics, Heredity, Intelligence Differences
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Miller, Jack W.; Miller, Haroldine G. – Peabody Journal of Education, 1977
Tests indicate that females have innately less ability to perceive spatial relationships than males, but that proper training can improve spatial performance and reduce this natural disparity. (JD)
Descriptors: Abstract Reasoning, Educational Research, Genetics, Nature Nurture Controversy
Sexton, Larry C.; Treloar, James H. – Measurement and Evaluation in Guidance, 1979
Explored the relationships among visual and auditory perception, academic aptitude, sex, and school achievement. Results indicate visual perception added significantly to prediction of achievement beyond that available through knowledge of a participant's sex and academic aptitude. (Author)
Descriptors: Academic Achievement, Auditory Perception, Elementary Education, Elementary School Students