This paper reviews the post-1975 research on the capacities, logistics, and costs of the various delivery technologies used in educational television, and details case studies of television-centered operations, particularly in relationship to adult learners. The paper begins with a section on general definitions and the capacities of various…

Four case studies in varying stages of completion are currently being conducted in the Department of Vocational and Technical Education at the University of Minnesota using live, two-way television to link multiple sites for interactive television classes. Two of the four classes, which are offered via closed-circuit television, are a vocational…