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Usability Testing with 5 Users: Design Process (video 1 of 3)

Summary: Formative usability testing is best done with a small number of study participants, so that you have time and budget to test more design iterations of the user interface.

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https://www.youtube.com/watch?v=RhgUirqki50

Related Article

Why You Only Need to Test with 5 Users

Elaborate usability tests are a waste of resources. The best results come from testing no more than 5 users and running as many small tests as you can afford.

Video Author

Jakob Nielsen, Ph.D., is a User Advocate and principal of the Nielsen Norman Group which he co-founded with Dr. Donald A. Norman (former VP of research at Apple Computer). Dr. Nielsen established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and has invented several usability methods, including heuristic evaluation. He holds 79 United States patents, mainly on ways of making the Internet easier to use.

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