What do you understand by pre-testing of a questionnaire?
Answers
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Benefit #1: Dress Rehearsal
Pilot testing is a dress rehearsal for the study.
Benefit #2: Test the Tasks
If a user is derailed by a poorly written task, it takes precious time away from studying the interface. The facilitator first needs to realize that the participant didn’t understand the task as it was intended, and then has to spend time redirecting or reinstructing the user.
Benefit #3: Timing
It can be hard to know how much time to schedule for user testing. Will participants complete 3 or 7 tasks during your testing session? Running through the tasks yourself and allowing more time than it took you is a very rough way to estimate task time.
Benefit #4: Data You Can Use (Maybe)
If all goes well, or pretty well, in a pilot session, you’ve gotten a jump on the rest of the study. Run the session as though it’s the real thing, and if there are no major hiccups, the data can be used. Even if one or two tasks go awry, you may still be able to salvage information from the sessions.
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