n the user-centered design approach, the user best knows his or her
goals and the goals are the only guide to the designer. In an
activity-based design approach,designers focus mainly on the behavior of the user and not on his / her goals.
design is characterized as a several staged problem
solving procedure that does not only need designers to analyses and
how users are likely to use a product but also to test the reliability
of the assumptions with regard to user behavior in real world tests with
May 18th, 2015
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