When adult versions of tests of spatial ability were modified and administered to 94 boys and 99 girls in Norway, results indicated that spatial ability is a more unified trait in boys than in girls, in whom spatial abilities are more heterogeneously organized. (SLD)

Thirty nine 11-year-old children were given the same unilateral word-naming task on two separate occasions. A test-retest reliability of .46 was a function of both reading ability and sex. (Author)

Kindergarten pupils from six Mexican-Indian groups were shown colored textbook illustrations (paintings and photographs). There were no significant differences in comprehension between paintings and photographs, but there were perception differences by sex and between two ethnic groups, suggesting that children with different experiences perceive…

Three-dimensional visualization skills are critically important to success in engineering careers. Unfortunately, studies have shown that the 3-D spatial visualization skills of women engineering students lag significantly behind those of their male counterparts. This paper examines gender differences in background and in visualization ability for…

The purpose of this study was to cross-sectionally and longitudinally examine the developmental process of search behavior in infancy. Subjects were 23 Japanese normal infants (11 males and 12 females) who were individually tested once a month from the age of six to 13 months in laboratory settings. Small toys and three white opaque cubic boxes…

Examined sex differences in perceptual and cognitive abilities and in reading skills among 922 first graders in the United States, India, and Taiwan. Found that girls scored significantly higher than boys on reading skills, visual memory, directionality, and ability to track nonsymbolic figures. Urban children outscored rural children on four…

This brief paper reports on a study of learning disabilities in students with deafness. The study attempted to first determine to what extent deficiencies in communication skills affect the screening of deaf students for learning disabilities and, second, to describe the phenomenon of learning disability in students with deafness. The research…