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ISO 9241: Part 11 userfocus.co.uk
Analyse the opportunity
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Build the context of use
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Create the user experience
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Track usage and improve
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“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.”
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can be applied to: specify and measure the usability of products; specify and evaluate usability during design; and specify and measure a work system in use
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examples of usability measures;
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satisfaction as “the feeling of pleasure that comes when a need or desire is fulfilled”.
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