Presents the concept of a work model which is a unit of practice within a computer based instructional system allowing replication of both information and interaction. The model also addresses some of the fundamental problems with objectives, e.g., richness of terminal behavior and relation to content. Ten references are listed. (CHC)

The term "design" is being understood more and more as a methodological process, together with its acceptance as the result of such a process. As a process, it is a stage in the courseware engineering life cycle which primarily focuses on rendering the development process more effective and on enhancing the qualities of the finished system,…

For college students learning concepts, the advisement condition resulted in better performance than the learner control condition and needed less instructional time than the adaptive control condition. Results also indicated that students given concepts simultaneously performed better and needed less instruction than those who received concepts…

Senior high students who were given concepts simultaneously learned more than those who received concepts successively. A second variable, instructional control strategy, contrasted an adaptive (computer-assisted) control strategy with learner control. Performance was above the criterion level for the adaptive condition, but below it for learner…