Analyzes the philosophical assumptions underlying instructional systems technology (IST). Cognitive and behavioral learning theories are discussed, their effects on IST are considered, the philosophical paradigms of objectivism and constructivism are compared, applications of constructivism are described, and implications of constructivism for IST…

Discusses the field of instructional systems technology (IST) and suggests the need for new models of learning. The change in learning psychology from behaviorism to cognitive psychology is described, a constructivistic approach to IST is explained, and cognitive tools including intelligent tutoring systems are considered. (Nine references) (LRW)

Discusses the field of instructional systems technology (IST) and the definition of its subject matter domain; describes cognitive mapping and semantic relatedness; and reports results of a study that generated a cognitive map to define the structure of research and theory in IST. (three references) (LRW)

Reviews conceptual bases for hypertext, relates them to hypertext design issues, and suggests research issues that need to be addressed. Topics discussed include cognitive psychology; schema theory and semantic networks; problems with hypertext; knowledge structures; software; inductive and deductive design methods; and expert systems. (12…