Bloom has looked to mastery learning, exemplified by the Personalized System of Instruction (PSI), to reduce individual differences in posttest performance, such as final grades and midterm examination scores. While PSI courses have raised overall performance, there has been little examination of individual differences in these courses. Data from…

A computer-assisted, competency-based instructional model has been developed for a teacher education program. It is based on the assumptions that individuals should control their own lives and that technology should be used to expand the range of human choice. The model uses a systems approach to organize the human, curricular and environmental…