Reviews possible sources of reinforcement in computer assisted instruction and systematic utilization of these sources in courseware design. Sources reviewed include reinforcement from the machine itself; from the content of the instructional modules and its arrangement in a learning sequence; and from sources external to the modules. (MBR)

Discussion of learner control in instructional management describes six learner control methods: (1) content control; (2) sequence control; (3) pace control; (4) display or strategy control; (5) internal processing control; and (6) advisor strategies. Relevant literature, both theoretical and empirical, is reviewed, and learner control and…