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

      , ,

      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.

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          Most cited references 6

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          Asymmetric Division of Labor in Human Skilled Bimanual Action

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            Survey of physical ergonomics issues associated with school childrens’ use of laptop computers

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              A study in two-handed input

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                Author and article information

                Contributors
                Conference
                September 2010
                September 2010
                : 355-364
                Affiliations
                Pervasive Computing

                University of Duisburg-Essen, Germany
                Computing Department

                Lancaster University, UK
                Article
                10.14236/ewic/HCI2010.42
                © 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 (journal page): https://ewic.bcs.org/
                Categories
                Electronic Workshops in Computing

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