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…

This dissertation presents the results of an investigation of visual mental imagery as a strategy hypothesized to increase the amount of interaction with content material and therefore the level of information processing and acquisition, and to assist information retrieval on posttests. Four treatments were used in a crossed, randomized two by two…

Describes the third in a series of studies investigating effects of psychological variable of encoding specificity on cognitive learning, test design, and visualization during instruction and testing. Encoding specificity, its application to classroom learning and testing, and its significance to educational technology are explained. The first two…