For your study results to produce statistical significance, plan to evaluate with 10 to 12 participants per condition.
- Planning Your Recruiting Needs
- from 233 Tips and Tricks for Recruiting Users as Participants in Usability Studies
- Publisher: New Riders
- Released: February 2010
mention the steve kurg don't make me think, which says you only need 5 people as justification of why I have less.
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