Considerations on efficient touch interfaces - How display size influences the performance in an applied pointing task

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Authors

The limited screen space in small technical devices imposes considerable usability challenges. On the one hand objects displayed on small screens should be big enough to be hit successfully, but also small enough to house several objects on the screen at the same time. However, findings up to now show that single pointing is more effective in a large display compared to a smaller display. In the present experiment this was also confirmed for an applied multidirectional serial pointing task. Especially in more difficult tasks, results point at a shift of the speed-accuracy tradeoff. In large displays a fast and comparably accurate execution is chosen in contrast to a very inaccurate and time-consuming style in small displays. From an ergonomie point of view the outcomes recommend an optimized balance of task difficulty and display size in small screen devices.

Original languageEnglish
Title of host publicationHuman Interface and the Management of Information : Methods, Techniques and Tools in Information Design - Symposium on Human Interface 2007. Held as Part of HCI International 2007, Proceedings
EditorsMichael J. Smith, Gavriel Salvendy
Number of pages8
PublisherSpringer-Verlag Italia
Publication date01.01.2007
EditionPART 1
Pages136-143
ISBN (print)9783540733447
ISBN (electronic)978-3-540-73345-4
DOIs
Publication statusPublished - 01.01.2007
EventSymposium on Human Interface - 2007 - Beijing, China
Duration: 22.07.200727.07.2007

    Research areas

  • Display size, Pointing performance, Small screen device, Task difficulty, Touch input

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