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

Ascertaining changes in cognitive correlates of learning as students advanced through hierarchical instruction, 24 individual difference measures were obtained from 166 Navy trainees who had completed a computer-managed mastery course in electricity and electronics. Three types of cognitive characteristic measures were used in the study--tests of…