Interpreting Test Results
Many parts of the usability test require the tester to fathom what's going on in test subjects' heads when they're not saying anything—and that can be a tricky business. I've seen people who struggled with an application and, when presented with three choices, said the two “wrong” choices several times. When I first witnessed this, I was amazingly frustrated and wanted to blurt out “Just say the other choice!” But professionalism prevailed and eventually they said the right choice (after a LONG while).
At the time I thought that either the test subjects must be stupid, or I was totally unclear when I explained the task. Actually, I was wrong on both counts. What had happened was that the subjects had heard part of an ...
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