These two articles discuss the contributions of behavioral and cognitive psychology to the design of computer-based instruction (CBI) and describe an integrated meta-model for use with instructional systems design (ISD) called ROPES + (Retrieving, Orienting, Presenting, Encoding, and Sequencing). Highlights include motivation, information…

Arguing that relevance judgments are fundamental to the design and evaluation of all information retrieval systems, and that a consensus on the definition of the central concept of relevance has not been reached, this paper begins by critically reviewing four approaches to the problem of defining relevance: (1) the system-oriented approach…

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…

Examines how users interact with text to devise a more effective information retrieval interface. Research in cognitive psychology and information science that relates to the use of metaphors and document categorization is reviewed, and an example of text organization and retrieval by historians is presented. (60 references) (LRW)

Discusses instructional systems and information retrieval systems and highlights the growing role of retrieval systems in learning. Topics discussed include cognitive psychology; degree of learner control; interaction with the systems; technological trends, including storage capacity, integrated media, and interlinked systems; hypermedia; and…