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Optimising web site designs for people with learning disabilities
Peter Williams1, Christian Hennig1
1University College London.
Summary
Web accessibility for people with learning disabilities can be improved by optimizing website design. Recommendations include horizontal menus and large text with images, balancing user preference with efficient information retrieval.
Area of Science:
- Human-Computer Interaction
- Web Accessibility
- Cognitive Science
Background:
- Internet information is often inaccessible to individuals with learning disabilities due to navigation challenges.
- Optimizing web design is crucial for improving information access for this population.
Purpose of the Study:
- To determine optimal methods for presenting web information to people with learning disabilities.
- To identify key website layout attributes impacting usability and performance.
Main Methods:
- Qualitative research to identify usability attributes.
- Comparative study of eight web interfaces with varying menu positions, text sizes, and image presence.
- Participant preference ratings and interviews, with bias mitigation techniques.
Main Results:
- User preferences favored large text and images.
- Fastest information retrieval times were associated with different design elements than user preferences.
- A discrepancy exists between aesthetic preferences and optimal performance for information retrieval.
Conclusions:
- Design recommendations reconcile user preference and performance.
- Suggested optimizations include horizontal menus, juxtaposed text and images, and concise text phrases.
- These changes facilitate preferred large text presentation without increasing task times.
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