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Usability

Usability. July 30, 2009. Usability. Image credit: http ://www.90percentofeverything.com/2006/11/13/bad-usability-is-like-a-leaky-pipe/. Basics. Navigation “Don’t make me think!” Consistency Visual cues Instruction should be dead Jargon free Writing Chunking Simplify Active voice.

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Usability

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  1. Usability July 30, 2009

  2. Usability UBC SLAIS - LIBR 535 Summer 2009 | Instructor: Colleen Bell Image credit: http://www.90percentofeverything.com/2006/11/13/bad-usability-is-like-a-leaky-pipe/

  3. Basics • Navigation • “Don’t make me think!” • Consistency • Visual cues • Instruction should be dead • Jargon free • Writing • Chunking • Simplify • Active voice UBC SLAIS - LIBR 535 Summer 2009 | Instructor: Colleen Bell http://www.library.ucla.edu/bruinsuccess/

  4. Task-centred Design At each step, does the user: • know what to do? • know how to do it? • understand the provided feedback? Cognitive Walk-through UBC SLAIS - LIBR 535 Summer 2009 | Instructor: Colleen Bell http://www.usability.gov/methods/process.html

  5. Testing Heuristic evaluation Task testing UBC SLAIS - LIBR 535 Summer 2009 | Instructor: Colleen Bell 1-3 evaluators test user interface design checklist for compliance http://www.usability.gov/methods/test_refine /heuristic.html 5 users can users accomplish critical tasks? identify 80% of the problems inexpensive

  6. Universal Design Accessibility Quick tests UBC SLAIS - LIBR 535 Summer 2009 | Instructor: Colleen Bell Images & audio CSS Color & contrast No flickering Text & button size JAWS Firefox Web Developer Toolbar W3C list (http://www.w3.org/WAI/ER/tools/complete)

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