Examines the long term results--obtained mainly in the USA--of the large scale use of individualized systems for the teaching of mathematics, concentrating on systems which use the human tutor as one of their components. Several instructional systems are compared and described, and future prospects are discussed. (JEG)

Presents an overview of satellite technology and trends in its use, reviews the evolution of education and training applications of communication satellites, and prognosticates about the possible national and international uses during the 1990s. A bibliography of 26 items is included. (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)