This volume contains 57 papers and 1 symposium, consisting of an introduction and 4 papers. The topics discussed range from the instructional effectiveness of various presentation formats and media to the social foundations of educational computing and school restructuring. Cognitive theory and several design theories are also addressed. Research related to computer assisted instruction includes investigations of cooperative learning, variations in instructional control, interactive video, use of computer animation, hypermedia browsers, software for teachers to use in lesson planning, computer assisted testing, and automated instructional systems development. Formats for microcomputer displays and electronic publishing are also considered, as well as computer simulations and telecommunications-based distance education. Also included in this volume are information on the Association for Educational Communications and Technology (AECT), author and descriptor indexes, and a list of the 12 proceedings already in the ERIC system together with their ED numbers. (BBM)