Discusses a research program at Utah State University that is developing an advanced instructional design theory to help produce an integrated computer-based system. Highlights include a theoretical base that organizes knowledge about instructional design, a methodology for representing domain knowledge; miniexpert systems; instructional…

Discusses the need for improved methodologies and tools to guide the design and development of interactive technology-based instructional materials. Topics discussed include mental models; knowledge representation; knowledge analysis and acquisition systems; the effectiveness of instructional transactions; strategy analysis systems for…

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…

Describes instructional transactions as patterns of learner interactions designed to enable learners to acquire certain kinds of knowledge or skill and identifies four primary components of an interaction shell: interactions and an interaction manager, instructional parameters, a knowledge base, and a resource database. Transaction shell authoring…

Discussion of intelligent tutoring systems highlights various instructional models which emphasize experiential interactions. Topics discussed include computer assisted instruction; instructional strategies; the TICCIT system; branching; the Socratic method; definitions of tutoring and instruction; students' interactions with the computer; advisor…