Describes study that examined text density levels as a design variable in print and computer-based instructional presentations. The six treatment groups are explained, including low density, high density, and learner controlled density; attitude surveys and achievement posttests are described; and implications of the findings for instructional…

Describes study designed to investigate the effectiveness of personalizing verbal math problems on division of fractions for fifth and sixth grades using microcomputer-generated lessons. Treatment and control group results are analyzed, and results support the hypothesis that the personalized context group was superior in problem solving and had…