Patterns for usable accessible design

  • Authors:

  • Homa Javahery;Michael Gower;Daniel Sinnig;Peter Forbrig

  • Affiliations:

  • IBM Pacific Development Centre, Burnaby, B.C., Canada;IBM Pacific Development Centre, Burnaby, B.C., Canada;Computer Science Institute, University of Rostock, Germany;Computer Science Institute, University of Rostock, Germany

  • Venue:
  • HCII'11 Proceedings of the 14th international conference on Human-computer interaction: design and development approaches - Volume Part I
  • Year:
  • 2011

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Abstract

Accessibility barriers exist on most websites and systems, making them difficult to use for individuals with disabilities and other functional limitations. Usable Accessible Design aims to design usable software that addresses the potential needs of all users in the user-centered design process with special consideration for users experiencing functional limitations. This paper showcases how accessibility concerns affect us all and that a proper definition of accessibility goes beyond individuals with disabilities. We then identify existing accessibility standards and guidelines, and propose design patterns as a proactive medium to capture and disseminate best accessibility design practices. The patterns provide usable solutions to specific accessibility problems, within a defined context, that take into account the physical, cognitive and functional limitations of users. Finally we propose a classification scheme for patterns based on usability principles and accessibility heuristics.