This survey of intelligent tutoring systems describes the components of these systems, different teaching scenarios, and the relation of these systems to a theory of instruction. It argues that the underlying pedagogical approach is to make latent knowledge manifest by using different forms of quantitative modeling: (1) simulating physical…

Discusses the nature of interactive video, its educational use, evidence for its effectiveness, and the design of interactive video courseware. Use by the military and industry is also described, studies comparing video with other instructional methods are reviewed, and areas for further study are suggested. Ninety-four references are provided.…