Described is a course development project in progress at Iowa State University, Ames, Iowa, that attempts to meet the individual needs and improve the attitudes of students in a large freshman biology course. Proposed is the implementation of the Phase Achievement System which involves the development of multi-concept level video-cassette lectures…

A model for evaluating the extent to which instruction is individualized is described. The model is based on a conceptualization of individualization which focuses on observable teacher behavior resulting in the manipulation of classroom environmental and instructional variables to meet the needs of individual learners. For evaluation purposes…