Argues that software for electronic boards should address a variety of teaching styles, student abilities and ages, class textbooks, teaching objectives, and learning environments for flexibility of use. The software features that contribute to flexibility include frequent stops, options for going backwards, inter- and intra-unit jumps, and…

Description of a validated computer assisted instruction (CAI) program (The Addition Tutorial) illustrates how four critical components for instruction--learning principles application to instructional design; sufficient database; adequate motivational system; and delivery system which provides teacher learning environment control--might be…