On 7 March 2014 00:17, Trevor Parscal tparscal@wikimedia.org wrote:
I believe, from lots of first-hand experience and some research on the subject, that anytime you can get at least 5 users in front of a product and run them through well written tasks you are going to reveal about 80% of the problems. Getting fancy with the methodology usually only affects the final 20%.
I have frequently seen the claim that a usable usability test can be done with five test subjects. I suppose there's betas and mailing ists and wiki forums and other such yelling shops for the other 20% of the problems.
- d.