The Influence of Hand Size on Touch Accuracy

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Joachim Normann Larsen, Tórur Højgaard Jacobsen, Sebastian Boring, Joanna Bergstrom-Lehtovirta, Henning Pohl

Touch accuracy is not just dependent on the performance of the touch sensor itself. Instead, aspects like phone grip or occlusion of the screen have been shown to also have an influence on accuracy. Yet, these are all dependent on one underlying factor: the size and proportions of the user's hand. To better understand touch input, we investigate how 11 hand features influence accuracy. We find that thumb length in particular correlates significantly with touch accuracy and accounts for about 12% of touch error variance. Furthermore, we show that measures of some higher level interactions also correlate with hand size.
Original languageEnglish
Title of host publicationProceedings of the 21st International Conference on Human-Computer Interaction with Mobile Devices and Services
Number of pages11
PublisherAssociation for Computing Machinery
Publication date2019
Pages1-11
Article number4
DOIs
Publication statusPublished - 2019

ID: 228455307