Cognitive simulations are runnable computer programs for modeling human cognitive activities. A case study is reported where expert systems were used as a formalism for modeling metacognitive processes in a seminar. Building cognitive simulations engages intensive introspection, ownership and meaning making in learners who build them. (Author/AEF)

Outlines conditions that should be present in an electronic tutoring system, and describes the Electronic Homework system. Discusses the modules contained in the system's two main components--the Computer Tutor and Homework Administrator. Gives an example of the tutoring process, and examines the overall effects of using Electronic Homework. (AEF)

Maccia's epistemology of intelligent natural systems implies that computer systems must develop qualitative intelligence before knowledge representation and natural language understanding can be achieved. Emotion and sensation--capabilities which computers do not currently possess are vital to the growth of the mind (Stanley I. Greenspan).…

Describes four Web-based agents developed for reengineering a freshman chemistry laboratory education: the "intelligent tutoring tool" that conducts online problem-solving coaching; "the adaptive lecture guide" that provides navigation guidance sensitive to students' knowledge status; the "student modeler" that assesses students' knowledge…