Jared M. Spool, Will Schroeder. Testing web sites: five users is nowhere near enough. In Marilyn M. Tremaine, editor, CHI '01 Extended Abstracts on Human Factors in Computing Systems, CHI Extended Abstracts '01, Seattle, Washington, USA, March 31 - April 5, 2001. pages 285-286, ACM, 2001. [doi]
Abstract is missing.