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Effective materials for televised instruction are most likely to result from the coordinated efforts of a team of capable specialists. Composition of the team may be influenced by local variables, but the group should normally include (1) an instructional designer who develops an overall scheme in which interrelated parts of an instructional process are organized in a sequential pattern; (2) a content specialist who takes the lead in the selection of goals, objectives, concepts, and content, and in the structuring of learning experiences; (3) a writer who converts to script form the results of all the planning, instructional designing, content research, and communication strategy that are the products of team efforts and interaction; (4) a production specialist who is responsible for using the script, talent, materials, and tools and techniques of television production to serve the instructional purposes of the project; (5) a specialist in technical television who facilitates operations through adapting, devising and making available television equipment, facilities, and technical services; and (6) a specialist in research and evaluation who devises, conducts, and interprets formative research and summative evaluation procedures. Interaction among the specialists is likely to produce materials that are more creative, more soundly based, and more effective than if the same individuals had worked independently. Such a team provides a substantial improvement over the usual evolutionary procedure in which individuals become involved only when needs or problems become apparent. (HOD)