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Investigating Pressure-based Interactions with Mobile Phones While Walking and Encumbered

Published: 24 August 2015 Publication History

Abstract

In encumbered (e.g. carrying shopping bags) and walking situations, interacting with mobile phones is physically demanding and leads to poor input performance. This paper presents two user studies which investigate the effectiveness of using pressure as an alternative input modality to touch when using mobile phones while walking and encumbered. Force-sensing resistors (FSR) were placed around the edges of a mobile phone to provide multiple pressure points to execute onscreen spreading, pinching, rotating and dragging single handedly. Experimental results showed that it is possible that encumbrance had no significant effect on pressure-based targeting performance. Our preliminary findings show promise with using multi-digit pressure input to facilitate one-handed touchless interactions with handheld devices in multitasking encumbered contexts.

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    cover image ACM Conferences
    MobileHCI '15: Proceedings of the 17th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct
    August 2015
    697 pages
    ISBN:9781450336536
    DOI:10.1145/2786567
    Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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    Published: 24 August 2015

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    Author Tags

    1. Encumbrance
    2. Fitts' Law
    3. Mobile interaction
    4. Pressure-based input
    5. Walking

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