Abstract:
This study had two primary focuses. First,. the intent was to construct and field-test programmed material to be used as a supplement to a textbook in a university-level course for a period of one testing unit or three weeks. The material utilized the linear form, which is an outgrowth of Skinner's work, and a vertical presentation of material.The second focus of the study was to test the effect of the programmed units upon the students' understanding of course material in terms of test scores.