The paper analyzes three major problems encountered by our team as we endeavored to turn problem solving examples in the domain of programming into highly reusable educational activities, which could be included as first class objects in various educational digital libraries. It also suggests three specific approaches to resolving these problems,…

Current theories of learning emphasize the importance of learner-centered, active, authentic, environments for meaningful knowledge construction. From this perspective, computerized case-based learning systems afford practice fields for learners to build domain knowledge and problem-solving skills and to support contextualized transfer of…

The IRT (Item Response Theory) has been studied and applied in computer-based test for decades. However, almost of all these existing studies evaluated focus merely on test questions with text-based (or static text/graphic) type of presentation form illustrated exclusively. In this paper, we present our study on test questions using both…

Presents a study of problem-solving activities in a hypermedia representation of a theorem-proving problem. Qualitative analyses of user activities and responses to questions asked while using a system called HUGH&ME are described. The need for hypermedia-based tools to support expression and refinement of reasoning during problem solving is…

Discusses hypermedia; examines cognitive theories of learning and hypermedia; and describes hypermedia applications in science education, including physical delivery of information, curriculum design, and promotion of scientific inquiry. Research projects at Vanderbilt University dealing with aspects of science education, including elementary…