This review of cognitive development research in the area of computer-based reading instruction focuses on reinforcement and instructional objectives. Differences between extrinsic and intrinsic reinforcement and motivation are discussed, types of objectives and learner characteristics are described, and implications for instructional design are…

Reports on a study of 12 U.S. and Russian elementary students working with a mathematics computer software program. Finds that students working together learned the program's concepts faster. Discusses implications of the findings and the significance of sociohistorical frameworks on cognitive processes. (CFR)