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…