Understanding how experienced designers approach complex design problems provides new perspectives on how they translate instructional design (ID) models and processes into practice. In this article, the authors describe the results of a study in which 16 "seasoned" designers shared compelling stories from practice that offered insights into their…

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)