EAN: 9783031010996

SYNTHESIS LECTURES ON HUMAN-CENTERED INFORMATIC...

It is all too common for products  such as consumer appliances  information systems  mobile
apps  and websites  to cause trouble and frustration. For example  products are often difficult
or dull to use  make tasks less flexible or more tedious  shift attention away from important
or gratifying activities  and simply fail to deliver expected benefits or experiences. By
identifying such trouble and frustration in the lab prior to widespread use  usability tests
have proven a valuable method for informing redesign efforts. A usability test consists of
having test users exercise a product and think aloud about their experience using it  while an
evaluator observes the users and listens in on their thoughts. On this basis the evaluator
identifies usability problems and assesses the user experience. This book describes how to
conduct usability tests. After providing context about concepts and testing  the main chapters
of the book cover the steps involved in preparing for a usability test  executing the test
sessions  and analyzing the test data. Throughout the chapters  concrete guidance is balanced
against more complex issues with an impact on the robustness  validity  completeness  impact 
and cost of a usability test. The book concludes with an outlook to variations of usability
testing and alternatives to it.

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