Dude, where's my car?: in-situ evaluation of a tactile car finder

Authors:
Martin Pielot;Wilko Heuten;Stephan Zerhusen;Susanne Boll
Affiliations:
OFFIS Institute for Information Technology, Oldenburg, Germany;OFFIS Institute for Information Technology, Oldenburg, Germany;University of Oldenburg, Oldenburg, Germany;University of Oldenburg, Oldenburg, Germany
Venue:
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
Year:
2012

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Abstract

We present an in-the-large, in-situ study of a "car finder" application for mobile phones. The interface is an instance of the magic wand metaphor, i.e. the mobile phone vibrates when it points in the direction of the stored location (e.g. the car). The rationale of using tactile feedback is that visual interfaces may not be ideal when the application is used on the move, since its users may easily become distracted. To investigate if users would use tactile feedback and whether it can lower distraction and is accepted, we published the application for free on Google Play. We collected anonymous usage data between July 2011 and July 2012. We provide evidence that tactile feedback was used about half of the time and can lower the users' distraction.