Considers whether current definitions of interactivity in educational software are optimal and suggests a new model of interaction based on how learners interact mentally with new schema and on educational psychology. Discusses knowledge acquisition; production, or the creation of new knowledge; collaboration; and applying the learning interaction…

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…