This critical examination of the assumption that computer-based instruction enhances student learning and performance over traditional means summarizes arguments from past and present analyses of research, examines media attributes or symbol system theories, and presents evidence that much research is susceptible to rival hypotheses. (MBR)

Compares the effects of peer tutoring and computer-based instruction on student achievement and motivation through a meta-analysis of research. Cost effectiveness is also investigated via ratios which combine the effects of the intervention with estimates of implementation costs, and an appendix includes reviews of 10 cost-effectiveness research…

This study, which assessed the effectiveness of microcomputer-assisted instruction in assisting low achieving fourth to sixth graders to attain mathematics and reading mastery, found performance of only one experimental group statistically superior to that of the control groups, but no significant differences in attitudes toward school or sense of…