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)

Instructional systems development (ISD) is a systems approach to curriculum development and instructional delivery. It is oriented toward occupational needs with an emphasis on what it is that students must learn to perform specific tasks, what facilities best provide a setting for the neccessary learning, and what instructional methods and media…