The Coach system, a computer simulation of a human tutor, was constructed with the goal of obtaining a better understanding about how a tutor interprets the student's behavior, diagnoses difficulties and gives advice to a student learning a simple computer programming language. Coach is based on a hierarchy of active schemas representing the…

Reviewed is computer software on: (1) classification of living things, a tutorial program for grades 5-10; and (2) polynomial practice using tiles, a drill-and-practice program for algebra students. (MNS)

Maintains that most computer tutorials retain a print orientation substituting connected computer screens for the pages of a book. Argues for a more creative use of computers' interactive capability. Presents three model tutorials concerning the Maastricht Treaty and U.S. Constitutional ratification. (MJP)