Usefulness: Focusing on Inquiry Patterns, Task Landscapes, and Core Activities
Once HCI specialists and their design teammates survey the uncertain territory of complex problem solving, they encounter formidable challenges. Users have broad goals, incomplete and heterogeneous information, and competing situational priorities. Moreover, problem solvers need flexible software support that gives them optimal control over their critical investigative moves and choices. Where exactly should user-experience researchers, interaction designers, usability specialists, and their teammates focus their attention to create truly useful software?
As long ago as 1985, John Gould and Clayton Lewis described usable systems as those that are “easy to learn ...
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