Usability Evaluation with the Cognitive Walkthrough
This online article describes a usability testing method that can be performed on a paper model by a design team. The authors contents that Cognitive Walkthrough is an effective method for identifying and eliminating some potential usability problems during the early stages of the design process. (Mar-12-97)
The link address is: http://www.acm.org/sigchi/chi95/proceedings/tutors/jr_bdy.htm