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Lee, Chun-Yi; Chen, Ming-Jang – Journal of Educational Computing Research, 2014
Previous studies on the effects of virtual and physical manipulatives have failed to consider the impact of prior knowledge on the efficacy of manipulatives. This study focuses on the learning of plane geometry in junior high schools, including the sum of interior angles in polygons, the sum of exterior angles in polygons, and the properties of…
Descriptors: Manipulative Materials, Teaching Methods, Educational Technology, Junior High Schools
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Lin, 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