This study was concerned with children's ability to conserve spatial relationships among objects in different arrangements, in the presence of projected changes in the observer's visual field. The objectives were: (1) to determine the effects of varying types of arrangement and number of objects in the arrangement on perspective ability…

A multiple choice achievement test was constructed in which both cognitive level and degree of abstractness were controlled. Subjects were 75 students from a major university in the Southwest. A group of 13 judges, also university students, classified the concepts for degree of abstractness. Results indicated that both cognitive level and degree…

This study investigated the effects of instruction in reflective thinking upon impulsive fourth grade students and the transfer effects of this instruction on a classroom social studies test. Thirty impulsive subjects from a white, low socio-economic area school were identified. Treatment and impulsivity were examined as they influenced…