Describes a study of undergraduates that compared three strategies for indicating links in a hypermedia system to determine their effect on learner navigation and learner perceptions of ease of use. Highlights include three linking display types; the density of links; elaboration types; time intervals; and implications for hypermedia system…

Discusses the evaluation of instructional software, describes two versions of a software evaluation model, and reports the results of two studies that compared evaluative decisions based upon subjective software ratings and data collected using both versions of the evaluation model. Teacher use of student data for decision making is also examined.…

Describes approaches to developing software automating instructional design (ID), including comparison of information management and expert system approaches. Topics addressed include alternative ID automation systems; ID variables; authoring assistance software; the nature of ID expertise; user-system communication; system evaluation; and user…