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Sex differences in visual-spatial ability: the role of performance factors
D Goldstein1, D Haldane, C Mitchell
1Duke University Talent Identification Program, Duke University, Durham, NC 27706.
Memory & Cognition
|September 1, 1990
Summary
Males may not inherently outperform females on visual-spatial tests. Differences in speed and accuracy, not raw ability, may explain higher male scores on the mental rotations test (MRT).
Area of Science:
- Cognitive Psychology
- Neuroscience
- Educational Psychology
Background:
- Men frequently score higher on visual-spatial ability tests.
- Performance factors may explain this observed sex difference.
Purpose of the Study:
- To investigate the role of performance factors in male advantages on visual-spatial tests.
- To examine if speed and accuracy influence mental rotations test (MRT) performance differences between sexes.
Main Methods:
- Two studies administered the MRT to college students.
- Study 1 controlled for quantitative ability (SAT math scores).
- Study 2 compared timed vs. untimed conditions and analyzed raw vs. ratio scores, controlling for SAT math scores.
Main Results:
- In Study 1, male advantage on MRT raw scores disappeared when using the score-to-attempt ratio.
- In Study 2, males outperformed females on timed raw scores, but not untimed or ratio scores, after controlling for SAT math.
- Performance differences, particularly speed, appear to mediate sex differences in MRT performance.
Conclusions:
- The observed male advantage on visual-spatial tests may be influenced by performance factors like speed, rather than solely by ability.
- Findings suggest that when controlling for speed and accuracy, sex differences in visual-spatial ability may be reduced or eliminated.
- Implications for test design and interpretation of sex differences in cognitive abilities are discussed.