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)

The Personalized System of Instruction, known as the Keller Plan, is compared with the mastery learning approach. Learning concepts of both are discussed, as well as differences, difficulties, and effectiveness of each method. (SA)