NN/g are well-known for developing methodologies for usability testing. They pro... | Hacker News

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		dchest on July 10, 2013 \| parent \| context \| favorite \| on: Should I use a carousel? NN/g are well-known for developing methodologies for usability testing. They promote tests with only a few people, e.g. see http://www.nngroup.com/articles/why-you-only-need-to-test-wi...

sspiff on July 10, 2013 [–]

Thanks for the link! That explains their sample size. I don't necessarily agree with using a single tester though, the numbers in this post speak only of averages, which means you can still get a bad seed.

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