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Peer reviewedCahan, Sorel; Cohen, Nora – Child Development, 1989
A study of effects of age and schooling in grades five and six on raw scores from a variety of general ability tests found that schooling: (1) is the major factor underlying the increase of intelligence test scores as a function of age; and (2) has a larger effect on verbal than nonverbal tests. (RH)
Descriptors: Age Differences, Comparative Analysis, Elementary Education, Elementary School Students
