A discussion of the basic structure of the behavioral audio-visual production which consists of objectives analysis, approach determination, technical production, fulfillment evaluation, program refinement, implementation, and follow-up. (Author)

The purpose of this article is to present a framework appropriate for discussing and organizing formative evaluation studies in product development. (JB)

Informs about the availability of three sets of computer-oriented curriculum materials which are used to discuss problems in geometric optics, mechanics, and wave motion, respectively. Included is the publisher's address. (CC)

A description of projects designed to produce mathematics teaching materials for the lowest forty percentile ability group, based on a study of the environment. (MM)

Presented is a model for special education instructional materials development, research, and evaluation. (CB)

The concluding article in a two-part series intended to direct the reader to detailed information concenring specific matters rela tive to the planning, preparation and successful utilization of visualized presentations.... This part deals specifically with the design and production of visual materials for presentation." (Author/LS)

The chief learning problems are seen to be in the formation of interrogative sentences, conditional sentences, passive construction, the use of indirect speech, and the use of could," might," should," and would." (FB)