Six Tips to Ensure a Successful Usability Test
http://www.stcsig.org/usability/newsletter/0502-six-tips.html

Redish, Janice C. 'Ginny'
Usability Interface
2005

Abstract:

Success in usability testing is learning what you need to know. That includes finding out both what is working well and what is not working well. Focusing on formative tests—with an eye toward identifying problems and bringing the issues to the team—is the secret to successful usability testing.