This article suggests that peer interaction is most effective when orchestrated around a progression of problems. Problem-centered learning is enhanced by carefully structured peer interactions. Problem-centered instruction is a form of direct instruction wherein instructional components are taught in the context of problems. An effective…

Instructional Transaction Theory specifies a set of rules for automated instructional design and development. Components include descriptive theories of knowledge and of strategy, and a prescriptive theory of instructional design. Rules include selecting and sequencing knowledge objects, selecting and sequencing instructional transactions,…

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…

Presents a series of six prescriptions for constructing an authoring system that guides the instructional design process used to create computer-based lessons. The importance of providing opportunities for dynamic interaction between the program and the student is emphasized. (Author/LRW)