Reported are some findings from a study designed to discover the opinions of science educators about the procedures they used in the development of audio-tutorial (AT) lessons and/or minicourses. (PEB)

Describes the conducting of three experimental courses by using texts, programmed supplements, lab manuals, behavioral objective sets, study guides, and tutoring and lecturing techniques in instruction. Indicates the feasibility of this model in institutions that can not use strict Keller Plan systems. (CC)

Discusses the teaching of a junior level physical chemistry course with self-paced instruction to engineering and physical science students. Included are a description of topics and a summary of student responses. (CC)

Presents a description of the development and use of a revised two-semester introductory organic chemistry course. (EB)

Studied effects of unit sizes of reading materials on students' progress rates in an educational psychology course with a self-pacing instruction. Concluded that small unit size could aid in promoting studying behaviors, without the corresponding increase in the number of units being felt as a greater burden. (CC)