Analyzes a traditional and an innovative course in terms of learning principles, involving Erickson's management methods and Gagne's learning activities. Suggests that learning systems should be designed by applying all principles rather than emphasizing one or two of them. (CC)

Discusses three approaches for constructing the Keller plan (PSI) units including the equal difficulty,'' the logical, and the reinforcement'' unit. Describes systematical reduction in the number of study aids and ample use of student feedback as two characteristics essential to the PSI approach. (CC)

Discusses the design principles and operations of a new program with emphases upon integrated curriculum planning, individually paced instruction, and mastery learning. Indicates that students succeed better both in pre-professional courses and in follow-up engineering courses than do those in conventional courses. (CC)