Issues and Questions on Usability Testing: An Open Discussion Session 
Many technical communicators are assuming new roles as usability specialists or are doing user analysis, task analysis, and usability testing for their own documents. Many others would like to start disability testing. In this open discussion session, you can ask questions and share experiences with a panel of four technical communicators/usability specialists and with other conference attendees.
Hackos, JoAnn T., Janice S. James, Janice C. 'Ginny' Redish and Chauncey E. Wilson. STC Proceedings (1995). Articles>Usability>TC