Discusses research on the effectiveness of computer-based instruction (CBI) and proposes computer modeling as a tool to redirect CBI research toward more theoretically relevant and prescriptive research. Limitations of media comparison studies and media replication studies are described, and computer modeling in CBI research is reviewed. (48…

Presents a critique of published learner control studies that highlights problems with definitions of learner control, theoretical foundations, treatment duration, outcome measures, sample sizes, and conclusions. Recommendations are made concerning the exploration of alternative models for research focused on learner control and other aspects of…

Research that has been conducted relating to the use of graphics and how various design variables interact with graphics in influencing the process of learning within individuals is explored. Research directions and approaches that may provide enhanced guidelines for integrating graphics into future interactive learning environments are described.…