Presents data on student performance in a competency-based, multiple-opportunity format physics course, indicating that costs are related to character of examination questions and comprehensional modes of students. Compares costs for single/multiple trial formats, showing that multiple-trial opportunity has lower costs and a higher yield of…

Describes the procedures used to evaluate the effectiveness of the teacher education curriculum, Physics for Elementary Teachers, including the measurement of students' understanding of physics, understanding of science, and attitudes toward science. (MLH)