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      A Study of Two-Handed Scrolling and Selection on Standard Notebook Computers

      proceedings-article
      , ,
      Proceedings of HCI 2010 (HCI)
      Human Computer Interaction
      6 - 10 September 2010
      Two-Handed Interaction, Scrolling, Touchpad, Notebook
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            Abstract

            Although two-handed input can improve both efficiency and quality of user interaction, it is not commonly adopted as it requires additional input devices. In this paper we propose two-handed interaction on standard hardware - notebooks with external mouse - and for a common task - 2D scrolling. We introduce four techniques that leverage the built-in touchpad as a dedicated scrolling device for the non-dominant hand, for scenarios in which the mouse is used in parallel for object selection and manipulation tasks. The techniques implement relative scrolling, flicking, absolute positioning and token-based input on the touchpad. We present an empirical evaluation of these techniques in a task that simulates activities such as retouching of photos, or interaction with maps, in which users often switch between mouse interaction and scrolling. The results show initially best performance with relative scrolling as a familiar mapping, but strong learning effects for all techniques. Users had difficulty with absolute mapping of touchpad input due to a tendency to clutching and finger repositioning, but we observed that these problems are compensated when a token is used as absolute input device.

            Content

            Author and article information

            Contributors
            Conference
            September 2010
            September 2010
            : 355-364
            Affiliations
            [0001]Pervasive Computing

            University of Duisburg-Essen, Germany
            [0002]Computing Department

            Lancaster University, UK
            Article
            10.14236/ewic/HCI2010.42
            9baf1756-102a-42ea-a752-105eb0098e0b
            © Dominik Bial et al. Published by BCS Learning and Development Ltd. Proceedings of HCI 2010, University of Abertay, Dundee, UK

            This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

            Proceedings of HCI 2010
            HCI
            24
            University of Abertay, Dundee, UK
            6 - 10 September 2010
            Electronic Workshops in Computing (eWiC)
            Human Computer Interaction
            Product
            Product Information: 1477-9358BCS Learning & Development
            Self URI (article page): https://www.scienceopen.com/hosted-document?doi=10.14236/ewic/HCI2010.42
            Self URI (journal page): https://ewic.bcs.org/
            Categories
            Electronic Workshops in Computing

            Applied computer science,Computer science,Security & Cryptology,Graphics & Multimedia design,General computer science,Human-computer-interaction
            Two-Handed Interaction,Scrolling,Touchpad,Notebook

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