Absence of a sex difference in algorithms for spatial problem solving |
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Authors: | Robert Kail Michael R Stevenson Kathryn N Black |
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Institution: | Department of Psychological Sciences Purdue University West Lafayette, IN 47907, USA |
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Abstract: | Pairs of stimuli taken from a pscyhometric measure of spatial aptitude were shown to 36 college men and 32 college women. The stimuli in pairs were (a) either identical or mirror images, and (b) presented in orientations that differed by 0–135 deg. Individuals judged, as rapidly as possible, if the stimuli in a pair would be identical or mirror images if presented at the same orientation. Replicating previous work, there was a sex difference in the speed with which problems were solved. Of greater interest was the fact that men and women were quite alike in the frequency with which they used different algorithms to solve the problems. Most individuals solved the problems using an algorithm in which an individual encodes the stimuli in working memory, mentally rotates one stimulus to the orientation of the other, compares both determine if they are identical, and responds. Two variants of this algorithm were also used by some subjects. In one variant, if comparison revealed that the stimuli were dissimilar, individuals did not respond immediately but continued processing until a self- imposed deadline was reached. In another variation, subjects only rotated the comparison stimuli when their orientations exceeded a critical angle. |
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Keywords: | Requests for reprints should be sent to Robert Kail at the address listed above |
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