Discussion of instructional transaction theory focuses on knowledge representation in an automated instructional design expert system. A knowledge structure called PEA-Net (processes, entities, and activities) is explained; the refrigeration process is used as an example; text resources and graphic resources are described; and simulations are…

Outlines Component Design Theory, which is based on the author's earlier Component Display Theory, and provides the instructional design guidance needed for experiential computer based instructional systems. Highlights include a contrast between tutorial and experiential instructional models, content structures, consistency rules, instructional…