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,…

This study is a third in a series of studies that examined students' information seeking and problem solving behaviors while interacting with one of two types of web-based representations of an ill-structured instructional design case: hierarchical (tree-like) and heterarchical (network-like). A Java program was used to track students' hypermedia…

An instructional application consists of a set of resources and activities to implement interacting, interrelated, and structured experiences oriented towards achieving specific educational objectives. The development of computer-based instructional applications has to follow a well defined process, so models for computer-based instructional…

Examines the role of a collaborative hypermedia system, called Multiple Users Creating Hypermedia (MUCH), in aiding students in the authoring process. Students were instructed to use the annotation facility of the system to comment on others' work. It was found that those who made comments were more likely to improve their own performance than…

Describes the Graphic Story Writer system, which was written to explore ways in which a computer can simulate the presence of an active listener for early readers and preliterate children as they explore story construction. An authoring tool that allows adults or more advanced students to create or edit new scenarios is also described. (Contains…