Usability tests are conducted to gauge users' experience with a system, preferably before it is released for real use, and thereby find any problems that prevent users from completing their tasks, slow them down, or otherwise degrade their user experience. Such tests are important to successful systems development, yet test procedures vary and the quality of test results is sometimes contested. While there is no single accepted procedure for usability specialists to follow when conducting usability tests, these tests normally involve users who think out loud while using a system and an evaluator who observes the users' behavior and…
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