This paper explores the realm of evaluation within the domain of Intelligent Tutoring Systems (ITS). Toward that end, Littman and Soloway (1988) described two facets of evaluation: external and internal. Described here are a variety of procedures that they did not address and some that they discounted. One of the procedures not explored was the…

Flight simulators, computer-based instruction (including both computer-assisted and computer-managed instruction), and maintenance training simulators are as effective, when used for training, as aircraft, conventional classroom instruction, and actual equipment, respectively. Data from about 100 studies are reported to support this finding. These…

This paper details the origins of the media comparison study methodology, its current use as an evaluation instrument in distance education, and recommendations for more stringent discrimination between research and evaluation in the field of distance learning. The following topics are discussed: (1) the history of research in instructional…