ISO IS 9241 Part 11 - Guidance on usability
The extent to which a product can be used by specified users, to achieve specified goals, with effectiveness, efficiency and satisfaction, in a specified context of use.
Usability vs Accessibility
- Emphasis on measuring accessibility and relating it to the quality of the users' experience
- Empirical study/contextual analysis focus regarding the use of conventional or assistive technologies. Design criteria and standards recommendations.
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Anyone is potentially information access disabled, if only temporarily