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Direct linkLin, Lijia; Atkinson, Robert K. – Journal of Educational Computing Research, 2013
The purpose of the two experiments was to investigate the potential effects of different types of visualizations and self-explanation prompts on learning human cardiovascular system in a multimedia environment. In Experiments 1 and 2, 70 and 44 college students were randomly assigned to one of the four conditions in a 2 × 2 factorial design with…
Descriptors: Educational Experiments, Visualization, Prompting, Human Body
Driscoll, David M.; Craig, Scotty D.; Gholson, Barry; Ventura, Matthew; Hu, Xiangen; Graesser, Arthur C. – Journal of Educational Computing Research, 2003
In two experiments, students overheard two computer-controlled virtual agents discussing four computer literacy topics in dialog discourse and four in monologue discourse. In Experiment 1, the virtual tutee asked a series of deep questions in the dialog condition, but only one per topic in the monologue condition in both studies. In the dialog…
Descriptors: Tutoring, Computer Literacy, Schemata (Cognition), Intermode Differences
