Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | books | about  Nothin' But a UCD Thang Pt. 1 (06 Feb 2004) Usability gurus like Nielsen and Spool often seem to disagree with each other. Why can they not agree on simple concepts like how many users to test? Who should we believe? Who has their finger on the user experience pulse? Article URL: http://www.ok-cancel.com/comic/21.html Read 182 more articles from OK/Cancel sorted by date, popularity, or title. Next Article: Online Advertising shoots Ahead of IAB Target     This site is a labour of love built by Chris McEvoy