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Software for Use: A Practical Guide to the Models and Methods of Usage-Centered Design by Lucy A. D. Lockwood, Larry L. Constantine

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17 By The Numbers: Measuring Usability in Practice

Comparison Shopping

Your usability inspection identified a number of serious defects in one particular data entry screen. Recognizing the need for a complete rework, the development team has devised two proposed designs. The design team is evenly divided over which of the two proposals will be easier to use, and, after more than an hour of debate over the relative merits, the discussion is at an impasse. Neither analyses of essential use cases nor arguments on the basis of usability principles have broken the deadlock. Sometimes, it does come down to a matter of taste or personal opinion, but is this one of those cases? How do you separate taste from technical issues, opinion from operational ...

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