Describes a new way of classifying uses of educational technologies based on a four-part division: inquiry, communication, construction, and expression. This taxonomy is compared to previous taxonomies of educational technologies. The utility of the taxonomy is tested by using it to classify "advanced applications of technologies"…

Examines changes which have occurred in the development and evaluation of intelligent tutoring systems (ITSs), speculates on future directions, and proposes a conceptual model for the development of ITSs. Topics discussed include the effectiveness of ITSs; the need for multidisciplinary efforts; and internal and external evaluation. (Contains 78…