Describes a way of classifying and measuring the representation of the physical world and the use of metaphor in textbook illustration which is based on information content. It can be used to provide data to help in assessing the value of textbook illustrations and compare their illustrative styles. (Author/MBR)

Presents and develops a general model of the nature of a learning system and a classification for learning systems. Highlights include the relationship between artificial intelligence and cognitive psychology; computer-based instructional systems; intelligent instructional systems; and the role of the learner's knowledge base in an intelligent…

This overview of computer uses in occupational training discusses three computer-based training modes--embedded, stand-alone, and adjunct training. An adjunct training system is described which captures task realism through a simulation to teach the use of a command and control system. A pilot study of this adjunct system's use is described.…