Special types of prosthetic devices have been designed to support the specific needs of disabled and handicapped computer users in retrieving information. Of particular importance are interfaces based on the use of sound, tactile operations, and gestures. Such interfaces may be used to provide disabled people with access to hypermedia information.…

Discusses differences between conventional books and electronic books, examines human-computer interface design issues, presents a development model for a hypermedia electronic book system, and describes the development of an electronic ABC book on CD-ROM for early learners. Future directions are also discussed. (24 references) (LRW)

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…