Rotation of images and primary mental abilities: influence of information and sex.

We studied the relation between the capacity to rotate mental images and some mental abilities measured by tests (DAT), as well as the effects of information and sex. The sample was 100 subjects, 50 boys and 50 girls, whose mean age was 16.8 yr., range 16 to 20 yr., attending high school. There is a significant correlation between the capacity to rotate images and the mental abilities of the individuals, information and sex also influence that rotation. Subjects who had information gave quick reaction times. Men rotated faster than women.