Discusses navigation in instructional hypertext programs and describes two preliminary studies that investigated concrete versus abstract representations for backward navigation. Topics include representation and hypermedia sign systems; and consistency in the forms designers use for navigation buttons. (LRW)

Examines features to consider when redesigning instructional materials to electronic format from print. Topics discussed include physical presence; human-computer interface; resolution and screen size; online help; interactivity; motion and sound; and software tools. Examples of screen designs are included. (Contains 11 references.) (LRW)