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Goldsmiths - University of London

Backpat: Improving One-handed Touchscreen Operation by Patting the Back of the Device

Seipp, Karsten and Devlin, Kate. 2014. 'Backpat: Improving One-handed Touchscreen Operation by Patting the Back of the Device'. In: CHI '14 Extended Abstracts on Human Factors in Computing Systems. Toronto, Canada 26 April - 01 May. [Conference or Workshop Item]

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Abstract or Description

We present BackPat: A technique for supporting one-handed smartphone operation. Using pats of either the index finger or middle finger or thumb on the back or side of the device, the user can extend one-handed use in a variety of difficult tasks. We explain the principle behind the technique and make a first attempt at examining its usability and versatility by implementing it into four applications, covering text selection, reaching distant targets, multiple file selection, and map and image zoom. An initial user study has shown a high grade of acceptance, verified the interaction logic and highlighted improvements in task-completion time over non-enhanced interaction. This way we hope to encourage discussion about its usefulness and potential.

Item Type: Conference or Workshop Item (Other)
Identification Number (DOI): 10.1145/2559206.2574811
Keywords: back-of-device; interface alteration; pat; tap; thumb
Departments, Centres and Research Units: Computing
Event Location: Toronto, Canada
Date range: 26 April - 01 May
Item ID: 10140
Date Deposited: 09 May 2014 07:27
Last Modified: 13 Jun 2016 13:03
URI: http://research.gold.ac.uk/id/eprint/10140
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