Reviews the current status of intelligent tutoring systems and summarizes the literature that evaluates these systems. Discussion highlights the problems of inadequate models, the lack of protocol analysis in systems design, and flaws in testing methodologies. (20 references) (CLB)

Using J. Dewey's "reconstruction of experience" concept of revision, a study employed ethnographic methods to investigate the effects of computer assisted writing instruction on students' revising processes. Primary subjects, eight sixth-graders, completed a structured revision task on their compositions, with varying degrees of computer…