Evaluating the embodiment benefits of a paper-based tui for educational simulations

Authors:
Tia Shelley;Leilah Lyons;Moira Zellner;Emily Minor
Affiliations:
University of Illinois at Chicago, Chicago, IL, USA;University of Illinois at Chicago, Chicago, IL, USA;University of Illinois at Chicago, Chicago, IL, USA;University of Illinois at Chicago, Chicago, IL, USA
Venue:
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Year:
2011

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Abstract

Many claims have been made regarding the potential benefits of Tangible User Interfaces (TUIs). Presented here is an experiment assessing the usability, problem solving, and collaboration benefits of a TUI for direct placement tasks in spatially-explicit simulations for environmental science education. To create a low-cost deployment for single-computer classrooms, the TUI uses a webcam and computer vision to recognize the placement of paper symbols on a map. An authentic green infrastructure urban planning problem was used as the task for a within-subjects with rotation experiment with 20 pairs of participants. Because no prior experimental study has isolated the influence of the embodied nature of the TUI on usability, problem solving, and collaboration, a control condition was designed to highlight the impact of embodiment. While this study did not establish the usability benefits suggested by prior research, certain problem solving and collaboration advantages were measured.