Investigates the related characteristics of asynchronous learning material used for distance education and Web-based instruction and proposes a material characteristics model. Discusses the relationship among the degree of difficulty of the material, student characteristics, and student abilities; social factors; suitability of teaching materials…

Describes the design of an intelligent Web-based interactive language learning system to support learning English as a second language on the Internet. Highlights include an interactive English writing environment; an authentic conversation learning environment; authoring tools to facilitate teachers' content preparation; system architecture; and…

The Capital Area Technology and Inquiry in Education program (CATIE) is a content-focused, inquiry-based professional development program developed by the Center for Initiatives in Pre-College Education (CIPCE) to assist K-6 teachers in the technology integration process. To address concerns of sustain-ability and cost-effectiveness, this situated…

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…