Provides a summary of a series of research and development projects which investigated the reasons for failure in educational technology-based systems of instruction. Develops a new approach to the design of such systems and their subsequent implementation and control. A 17-item bibliography is included. (Author/CHC)

An examination of the origin and content of general systems theory is followed by identification of the major characteristics of systems and brief discussion of use of models. Two ways of applying a systems model are identified and their appropriateness is assessed in relation to particular training circumstances. (55 references). (Author/MBR)

This description of the status of educational technology and trends in the development of the field in Argentina is based on article documents, reports, and a survey of projects operating in that country. Sixteen references are listed. (Author/CHC)