Contents: R.M. Gagn , Introduction. R.A. Reiser, Instructional Technology: A History. R.M. Gagn , R. Glaser, Foundations in Learning Research. B.H. Banathy, Instructional Systems Design. R. Kaufman, S. Thiagarajan, Identifying and Specifying Requirements for Instruction. P.F. Merrill, Job and Task Analysis. C.M. Reigeluth, R.V. Curtis, Learning Situations and Instructional Models. S. Tobias, Learner Characteristics. M.L. Fleming, Displays and Communication. G.C. Nugent, Innovations in Telecommunications. C.V. Bunderson, D.K. Inouye, The Evolution of Computer-Aided Educational Delivery Systems. R.D. Tennyson, O.C. Park, Artificial Intelligence and Computer- Based Learning. E.L. Baker, H.F. O'Neil, Jr., Assessing Instructional Outcomes. R.M. Morgan, Planning for Instructional Systems. R.K. Branson, G. Grow, Instructional Systems Development. E. Burkman, Factors Affecting Utilization.