Complexities Of Usability Testing  

Usability testing has proven itself in improving product usability, but actually planning, doing testing, and interpreting results are not always straightforward. Interpretation of the results of usability testing, changes to improves usability, and general inferences to be drawn from specific tests are extremely difficult to make with accuracy. After working through the practicalities and politics of usability testing itself you must then draw conclusions and support them People who have done a lot of testing will find these problems familiar.

Ridgway, Lenore S. STC Proceedings (1994). Presentations>Usability>Methods>Testing

The Need for Usability Analysis  

An overview of methods for usability testing and analysis.

Xerox (1995). Presentations>Usability>Testing>Methods

Shaping Knowledge through Usability Testing Shaping Knowledge through Usability Testing  

Usability testing can make a difference in the product and and the documentation. Seeing is believing.

Barnum, Carol M. IEEE PCS (2003). Presentations>Usability>Methods>Testing