Discusses the Keller Plan or personalized system of instruction (PSI), a mastery-oriented, self-paced, modular teaching strategy using student/peer proctors. Success for PSI in chemical engineering, operations research, electrical engineering, and nuclear engineering courses is explained. (DH)

Reports on some objective data and presents some subjective conclusions on the use of self-paced instruction in an experimental electrical engineering course. Outlines some of the problems involved in the development of self-paced materials and identifies several demotivating factors associated with their use. (GS)

Describes a self-paced, learning-for-mastery course in undergraduate fluid mechanics. Includes the method of course assessment, method of student evaluation, and a description of the instructor's role and work load. Summarizes aspects of self-paced instruction considered favorable and unfavorable. (GS)

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)