Blind people interacting with large touch surfaces: Strategies for one-handed and two-handed exploration

Tiago Guerreiro, Kyle Montague, João Guerreiro, Rafael Nunes, Hugo Nicolau, Daniel Gonçalves

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)

Abstract

Interaction with large touch surfaces is still a relatively infant domain, particularly when looking at the accessibility solutions offered to blind users. Their smaller mobile counterparts are shipped with built-in accessibility features, enabling non-visual exploration of linearized screen content. However, it is unknown how well these solutions perform in large interactive surfaces that use more complex spatial content layouts. We report on a user study with 14 blind participants performing common touchscreen interactions using one and two-hand exploration. We investigate the exploration strategies applied by blind users when interacting with a tabletop. We identified six basic strategies that were commonly adopted and should be considered in future designs. We finish with implications for the design of accessible large touch interfaces.

Original languageEnglish
Title of host publicationProceedings of the 2015 ACM International Conference on Interactive Tabletops and Surfaces, ITS 2015
PublisherAssociation for Computing Machinery
Pages25-34
Number of pages10
ISBN (Print)9781450338998
DOIs
Publication statusPublished - 15 Nov 2015
Event10th ACM International Conference on Interactive Tabletops and Surfaces, ITS 2015 - Funchal, Madeira, Portugal
Duration: 15 Nov 201518 Nov 2015

Conference

Conference10th ACM International Conference on Interactive Tabletops and Surfaces, ITS 2015
CountryPortugal
CityFunchal, Madeira
Period15/11/1518/11/15

Keywords

  • Blind
  • Exploration
  • Large Surfaces
  • Strategies
  • Tabletop

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    Guerreiro, T., Montague, K., Guerreiro, J., Nunes, R., Nicolau, H., & Gonçalves, D. (2015). Blind people interacting with large touch surfaces: Strategies for one-handed and two-handed exploration. In Proceedings of the 2015 ACM International Conference on Interactive Tabletops and Surfaces, ITS 2015 (pp. 25-34). Association for Computing Machinery. https://doi.org/10.1145/2817721.2817743