The purpose of this research was to compare mental and physical practice on acquisition of basketball free shot. Forty inexperienced boys were selected randomly by a revised questionnaire of motor imagery-making of Hall and Martin (1977). They were divided into 2 groups; an experimental group and a control one. Group one carried out the whole…

The relationship of aptitude, strategy, and cognitive task performance is explored through the use of mathematical models of performance time. Models of strategy and strategy-shifting on a spatial visualization task were tested individually for 30 male high school and college subjects. For each of three successive task steps (encoding,…

Discusses the factors that seem to be significant in the development of visualization skills, and examines gender differences in background and visualization ability for students enrolled in United States, German, and Polish technical universities. Findings indicate significant differences in spatial visualization ability between male and female…

Sex differences in variability in the national norms of the Differential Aptitude Tests, Preliminary Scholastic Aptitude Test/Scholastic Aptitude Test, Wechsler Adult Intelligence Scales, and California Achievement Tests were examined. Compared to females, males were consistently more variable in quantitative reasoning, spatial visualization,…