Usability metric

October 17, 2012

Usability metrics reveal [measure] something about […] some aspect of

  • effectiveness (being able to complete a task)
  • efficiency (the amount of effort required to complete a task)
  • or satisfaction (the degree to which the user was happy with his or her experience while performing the task)

Some examples: task success, user satisfaction; errors

Tulls and Albert (2008), p.7-8

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