Explains the use of cassette tapes of discussions on problems included in a chemistry course. The student is aided in converting the sentence form of a problem to the symbolism of mathematics. (GS)

Discusses the teaching of an experimental, individualized, lectureless course in chemistry with emphasis on programed instruction, audiovisual presentation, computerized examinations, and tutorial methods. Concludes that the program may prove superior in teaching of certain elementary chemical concepts to underprepared students. (CC)

Reports the development of "interrupted guidance" and slide tape instructional units for college biology and microbiology laboratory courses to counter problems of decreasing student ability and preparation, decreasing funding, increasing costs, increasing enrollment, and decreasing student-faculty interchange. (SL)

A partial solution to the problem of choosing what to teach from the vast amount of subject matter was achieved by combining the philosophies of the audio-tutorial approach and the concept-pak approach. (DF)