Keller's Personalized System of Instruction: The Search for a Basic Distance Learning Paradigm.

Reviews research results and arguments supporting Keller's Personalized System of Instruction (PSI) as a paradigm for distance learning, describes a project at Athabasca University which compared various PSI configurations for distance learning, and discusses the advantages, disadvantages, and flexibility of PSI for such use. Nineteen references are listed. (EAO)