I have always been skeptical of statistics. Maybe it's just fear of the unknownmy brain is demonstrably not wired for math. But everyone knows that statistics can be made to lie, and can be tweaked and manipulated and interpreted to mean nearly anything, to support or justify nearly any position or goal. I'm even more skeptical of statistical methods applied to measurements of what are arguably qualitative factors. So why should statistics about usability or user-experience design or HCI be any different? There has been plenty of discussion over recent years about how many users it takes to produce…
You must be a member of SIGCHI, a subscriber to ACM's Digital Library, or an interactions subscriber to read the full text of this article.
GET ACCESSJoin ACM SIGCHI
In addition to all of the professional benefits of being a SIGCHI member, members get full access to interactions online content and receive the print version of the magazine bimonthly.
Subscribe to the ACM Digital Library
Get access to all interactions content online and the entire archive of ACM publications dating back to 1954. (Please check with your institution to see if it already has a subscription.)
Subscribe to interactions
Get full access to interactions online content and receive the print version of the magazine bimonthly.