Sample sizes for usability tests: mostly math, not magic

  • Authors:
  • James R. Lewis

  • Affiliations:
  • IBM Corp.

  • Venue:
  • interactions - Waits & Measures
  • Year:
  • 2006

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Abstract

"Really, how many users do you need to test? Three answers, all different."---User Experience, Vol. 4, Issue 4, 2005