To determine whether individual differences in student achievement and learning rate are reduced or eliminated by mastery instruction, 166 navy trainees who completed a computer-managed course in basic electricity and electronics were cluster analyzed using 24 measures of cognitive characteristics. Discriminant analyses were computed between two…

Describes changes in cognitive correlates of learning as naval trainees advanced through a computer-managed series of hierarchical instructional modules requiring mastery-learning in electronics. The 24 cognitive characteristic tests measuring cognitive styles, abilities, and attitudes are listed as well as the content of the 11 modules and the…

Examines the effects of systematic use of computers for the management of mathematics instruction upon mathematics performance in the elementary school. A model system for using computers to manage instruction within a student-paced, mastery-learning format is described, and treatments for the experimental and control groups are explained.…

Discussion of the effects of group aptitudes on achievement during small group learning highlights two studies that examined the effects of group composition on high and low aptitude college students. Heterogeneous and homogeneous aptitude groups are described, and an individual mastery contingency in the second study is explained. (21 references)…