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People and Computers XX — Engage pp 263–278Cite as

Graph Builder: Constructing Non-visual Visualizations

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Abstract

This paper introduces a novel application called Graph Builder, which allows visually impaired people to interactively construct bar graphs using a force feedback device. We discuss the limitations of current technology to allow such interactive construction and explain why, in educational environments, such interactive construction is important. Evaluations of Graph Builder showed that users could construct graphs accurately. However results showed that a large number of ‘off-by-one’ errors occurred, where the bar was set either one unit too high or too low. Revisions to the mechanism to manipulate bars were made, and further non-speech audio feedback was added. A further evaluation showing that the proportion of ‘off-by-one’ errors had been reduced.

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Authors and Affiliations

  1. Department of Computing Science, University of Glasgow, 17 Lilybank Gardens, Glasgow, G12 8QQ, UK

    David K. McGookin & Stephen A. Brewster

Authors
  1. David K. McGookin
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  2. Stephen A. Brewster
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Editor information

Editors and Affiliations

  1. Queen Mary, University of London, UK

    Nick Bryan-Kinns BSc, MSc, PhD, PGCAP, AKC  & Paul Curzon BA, MA, PhD, PGCertHE  & 

  2. University College London, UK

    Ann Blanford BA, MA, PhD, MBCS, CEng, CITP

  3. Université Joseph Fourier, Grenoble 1, France

    Laurence Nigay BSc, MSc, PhD (Habilitation, IUF Professorship) (Habilitation, IUF Professorship)

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© 2007 Springer-Verlag London Limited

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McGookin, D.K., Brewster, S.A. (2007). Graph Builder: Constructing Non-visual Visualizations. In: Bryan-Kinns, N., Blanford, A., Curzon, P., Nigay, L. (eds) People and Computers XX — Engage. Springer, London. https://doi.org/10.1007/978-1-84628-664-3_20

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  • DOI: https://doi.org/10.1007/978-1-84628-664-3_20

  • Publisher Name: Springer, London

  • Print ISBN: 978-1-84628-588-2

  • Online ISBN: 978-1-84628-664-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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