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  iPad sway: Using mobile devices to indirectly measure performance

Proctor, K., Chen, M., Bülthoff, H., & Thornton, I. (2011). iPad sway: Using mobile devices to indirectly measure performance. Poster presented at 34th European Conference on Visual Perception, Toulouse, France.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-BA7A-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-45FE-3
Genre: Poster

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 Creators:
Proctor, KJ, Author
Chen, M, Author
Bülthoff, HH1, 2, Author              
Thornton, IM1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Body sway—the subtle, low frequency movement of the human body measured during quiet-standing—has long been used as a tool to help diagnose a range of medical conditions. It can be measured in a number of ways, including force platforms, sway magnetometry and marker or marker-less motion capture. In the current work—by analogy—we examined whether “iPad sway” could be used as an indirect measure of performance in a simple interactive task. We asked participants to stand and play a simple iPad game that involved tracking and controlling multiple objects using the touch screen. In addition to measuring variations in task performance as a function of set size and object speed, we also used the iPad’s built-in accelerometer to record changes in applied force along three axes. Analysis of this force data revealed both task relevant and task irrelevant components. The former relating directly to task demands—particularly touching the screen—and the latter reflecting idiosyncratic posture and movement patterns that can be used to uniquely identify individual users.

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 Dates: 2011-09
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: ProctorCBT2011
DOI: 10.1177/03010066110400S102
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Title: 34th European Conference on Visual Perception
Place of Event: Toulouse, France
Start-/End Date: 2011-08-28 - 2011-09-01

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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 40 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 206 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369