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

Describes various physics courses offered at Moline, particularly the conduct of self-pacing programs for grade 10-12 students who are either interested in the topic or planning further study in science. Indicates tremendously increasing enrollments with the adoption of the new instruction method. (CC)

Describes a chemistry course designed for the general student at Pampa Senior High School, Pampa, Texas. It presents the fundamental concepts in chemistry in a nonmathematical context; contains many options in the form of minicourses; and permits the student to pace himself. (HM)

The Personalized System of Instruction, known as the Keller Plan, is compared with the mastery learning approach. Learning concepts of both are discussed, as well as differences, difficulties, and effectiveness of each method. (SA)