Proposes a model for online hypermedia courseware that presents information in a controlled and predefined structure. Measures and evaluates the model's impact on design time and student study time. Finds positive improvements in delivery and dissemination of technical subject matters and provides a better understanding of required development…

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…