Provides an overview of the use of models in instructional design. Highlights include a definition of the term model; types of models, including conceptual, procedural, mathematical, and prescriptive; procedures for model development; classification of models in the literature; and alternative techniques for model validation. (Contains 38…

Considers the role and effectiveness of virtual reality in simulation-based training. The theoretical and practical implications of verity, integration, and natural versus artificial interface are discussed; a three-dimensional classification scheme for virtual reality is described; and the relationship between virtual reality and other…

Presents a knowledge representation model that was designed for instructional decision making. Topics discussed include classification models for instructional design; artificial intelligence; semantic networks; natural language; and data models, including network and hierarchical models. An example is given of knowledge analysis for a secondary…

Reviews distance education advances and suggests prospects for the future. The roles of the federal government and state governments are discussed, a classification of technology-based information systems is presented, the likelihood of a shift from rural to urban uses of distance education is suggested, and slow-scan video systems are described…