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Blatter, Patricia – Perceptual and Motor Skills, 1982
Among the many theories attempting to explain sex differences in spatial ability, one of the most highly researched is the X-linked recessive gene theory. This is a review of the major research done on that theory and shows the conflicting nature of the results. (Author)
Descriptors: Cognitive Ability, Females, Genetics, Hypothesis Testing
Thomas, John W. – 1978
Current research and though regarding the relationship of individual difference (ID) factors to achievement in the basic skills is reviewed. Four major categories and nine subcategories of ID factors are defined and serve as the framework for the review: status factors (age, sex, and race, ethnic group, and socioeconomic status); intelligence…
Descriptors: Academic Achievement, Age Differences, Aptitude Treatment Interaction, Basic Skills