This research paper describes work performed at a large midwestern university in the U.S. examining the link between spatial skills and design performance. Spatial skills are vital to success in engineering education and their relation to efficient problem-solving is well-researched.
This study is part of a larger project focusing on understanding the link between spatial visualization skills and solving engineering design problems. In the current study, we made use of an eye-tracking device to determine the visual focus of participants while they solved an assigned design task. High and low spatial visualizers in undergraduate engineering were identified through Phase I testing. In Phase 1, students completed four widely accepted spatial ability tests. Subsequently, some students were invited to participate in a Phase 2 design problem-solving activity wearing the Tobii Pro Glasses 3 to collect eye tracking data to gain insight into the design problem-solving behaviors based on information collected about participants’ eye movement fixations (i.e. duration and location). In this paper, we report on the analysis conducted through Tobii Pro Lab research software involving 13 study participants of whom 7 (1 female, 6 male: 3 first-year, 4 senior-year) were high spatial visualizers while 6 (3 female, 3 male; 4 first-year, 2 senior-year) were low spatial visualizers.
Findings from the study suggest that the solutions produced by the high visualizers were more graphical compared to low visualizers. Low visualizers focused more on the problem statement, spending more time reading it and coming back to it compared to high visualizers who remained in the problem solution area for most of the problem-solving session.
Recognizing the importance of spatial abilities in design problem-solving, educators can incorporate activities and exercises aimed at developing spatial skills among students which could include spatial reasoning tasks, visualization exercises, and hands-on design projects.
Keywords: Spatial skills, design thinking, eye tracking
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