Engineering students' use of visualizations to communicate about representations and applications in a technological environment
Résumé
Research about learning styles show that many engineering students are visually inclined. Therefore, we study engineering students' use of visualizations to communicate while solving mathematical problems. Based on a framework for mathematical representations, visualizations and mediation, we set up an explorative study with the visualization tool Sim2Bil, which combines a simulation of two cars, velocity graphs, and an input for velocity functions. We asked three engineering students to create a simulation for the cars with certain conditions and studied their visualizations related to verbal, graphical and symbolical representations. The visualizations were Sim2Bil-based, paper-based and gestures and these were all used in different stages of the problem solving.
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