Discusses the development of hypertext and describes hypertext systems currently available for microcomputers. The use of hypertext in instructional materials and in job aids is discussed, an example of a system designed for self-management tasks is given, and the need to focus on human performance improvement is emphasized. (14 references) (LRW)

Discussion of the preparation of knowledge for problems appropriate for expert systems focuses on relationships among problem attributes and their solutions through the creation of a solution matrix. Two examples are given, one for wine selection and one for decisions that an automobile manufacturer's sales force might have to make. (LRW)

Describes performer-centric interface design and explains a model-based approach for conducting performer-centric analysis and design. Highlights include design methodology, including cognitive task analysis; creating task scenarios; creating the presentation model; creating storyboards; proof of concept screens; object models and icons;…