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Sex Differences in Intelligence on the American WAIS-IV
Davide Piffer
Published: 2016/09/01
Abstract
Data are reported for the scores of men and women in the standardization of the American WAIS-IV. Men obtained a significantly higher Full Scale IQ than women by 2.25 IQ points and on the General Ability Index by 4.05 IQ points. Men obtained significantly higher scores on the index IQs of Verbal Comprehension, Perceptual Reasoning and Working Memory, and women obtained a significantly higher score on the Processing Speed index IQ. Men showed greater variability than women on the Full Scale IQ, the General Ability Index and on twelve of the fifteen subtests. Key Words: WAIS-IV, Sex differences, Intelligence, Variability
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