Discusses the increasing amount of educational content on the Internet for both educational and business applications and reviews basic learning theories, instructional design theories, and factors affecting successful Web-based tutorials. Proposes a model synthesizing instructional design pedagogy and Web design concepts. (Author/LRW)

Describes two systems that incorporate tutoring elements into pre-existing software packages: one supporting Geometer's Sketchpad and the other Microsoft Excel. An analysis of their similarities and differences provides a foundation for standardizing the components of learning environments, simplifying their creation and increasing the power of…

Describes the development of a domain model for English article usage which has been implemented within an Intelligent Language Tutoring System. Notes that in order to develop a domain model of a language or an aspect of a language, it is necessary to formalize the native speaker's knowledge in a way that is representationally adequate and…