This study was designed and conducted to determine the effectiveness of audio-tutorial minicourses in increasing achievement in the biological sciences at the college freshman level. In 1971, 75 randomly selected students in the experimental group attended regular lecture and laboratory periods in addition to completing 10 minicourses. The 79…

This is a report of the development of four self-study units in physics for college nonscience majors. The topics of the units are Waves and Sound, The Radiant Energy of Sunlight, Infrared Radiation, and Acceleration. Each unit includes an inexpensive, portable kit; a student manual containing all requisite background information, self-test,…