Presents results of a meta-analysis conducted on the literature concerning the effects of feedback on learning from computer-based instruction. Effect size, analysis of variance, multiple regression, and posttest data are described, and the critical role of feedback in computerized instruction is discussed. Contains 50 references. (Author/LRW)

Discussion of appropriate feedback in an instructional setting focuses on a study of undergraduates learning graphics materials production techniques that investigated whether internal feedback, provided by an expert system, differed in effectiveness from external feedback, provided by an instructor. The effects of each on processing activities…

Describes the design of the Computer-Supported Intentional Learning Environment (CSILE), a database that allows the storage and retrieval of information in several media, e.g., text and drawings. Research on cognitive abilities and learning strategies is reviewed, learner control is discussed, and the implementation of CSILE in grades five and six…