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Chapter Eight. Usability Testing > The Value of Usability Testing

The Value of Usability Testing

Usability testing answers four key questions about an application.

  • Can people use it?

  • Do they form a correct mental model of the application so they can continue to use it? That is, do the people using the system form images in their heads (about the way to navigate through the system, the commands to use in particular situations, and so on) that matches the way the system actually works?

  • Can they extend their mental model so that they're confident to interact with other areas of the system?

  • Do they enjoy using it?


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