Performance-Centered Usability Evaluation

See Fear and Loathing on the Keyboard at  http://www.pcd-innovations.com/fear/id13.htm.

The Pocket Guide to the Twelve Steps of Usability Engineering found at the above link is just one example of a usability engineering process that is adaptable to PCD.  The Jakob Nielsen books provide further insight:

Nielsen, Jacob (1993), Usability Engineering, Boston, MA: Academic Press, Inc.

____________ & Mack, Robert L. (1994), Usability Inspection Methods, New York, NY: John Wiley & Sons, Inc.

____________, (1999), Designing Web Usability: The Practice of Simplicity, Indianapolis, IN: New Riders Publishing