A sample of 176 students in grades 2-12 were tested for visual acuity as a function of minimally resolvable red, yellow, green, and blue lines. (Author/JMB)

Evidence on the poorer spatial visualization ability in various Negro populations compared to the White populations and on the direction and magnitude of sex differences in spatial ability relative to other abilities suggests the genetic hypothesis that spatial ability is enhanced by a sex-linked recessive gene and that, since the 20-30 percent…

Presented are the findings of a national health examination survey of uncorrected and corrected monocular and binocular visual acuity of 7,514 noninstitutionalized youth 12 to 17 years of age analyzed with respect to age, sex, race, geographic region, size of place of residence, and annual family income. Among findings reported are that 70 0/0 of…

Tests indicate that females have innately less ability to perceive spatial relationships than males, but that proper training can improve spatial performance and reduce this natural disparity. (JD)

This study applied meta-analysis techniques to the gender studies cited by Maccoby and Jacklin and assessed the magnitude of cognitive gender differences. Results indicated that gender differences in verbal, quantitative, and visual-spatial ability were very small. (Author/APM)

Explored the relationships among visual and auditory perception, academic aptitude, sex, and school achievement. Results indicate visual perception added significantly to prediction of achievement beyond that available through knowledge of a participant's sex and academic aptitude. (Author)

This paper outlines the results of a test validation project for entry-level positions in the tufting areas in a carpet factory. Carpet factory administrators thought that new methods of hiring associates would help improve overall system productivity. A job analysis was conducted through review of job materials and focus groups with employees and…