Reviews the evolution of instructional systems design and computer-based learning environments, focusing on the effects of technological advances. Classification of learning environments is discussed in the context of the dimensions of scope (macrolevel or microlevel), user activity (generative or mathemagenic), educational activity (goal-directed…

Describes the Drexel Hypermedia Demo, a hypermedia system that was developed to facilitate undergraduate and graduate instruction about hypermedia. Topics discussed include media advocacy; interactivity in educational media; navigation in hyperspace; learner control; and design principles and evaluation of the Drexel Hypermedia Demo, including…

Describes multimedia, computer-based interactive learning systems that support various forms of individualized study. Highlights include design models; user interfaces; design guidelines; media utilization paradigms, including hypermedia and learner-controlled models; metaphors and myths; authoring tools; optical media; workstations; four case…