Testing a walkthrough methodology for theory-based design of walk-up-and-use interfaces
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Cognitive walkthroughs: a method for theory-based evaluation of user interfaces
International Journal of Man-Machine Studies
The cognitive walkthrough method: a practitioner's guide
Usability inspection methods
IHM '07 Proceedings of the 19th International Conference of the Association Francophone d'Interaction Homme-Machine
EPCE '09 Proceedings of the 8th International Conference on Engineering Psychology and Cognitive Ergonomics: Held as Part of HCI International 2009
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This paper addresses the importance of cognitive accessibility and cognitive usability as critical requirements for universal design of information. Information should not be said to be accessed unless its content is cognitively internalized or understood by the user. Accessibility of information, therefore, should be evaluated not only for its perceivability but also for its understandability. We proposed a new cognitive walkthrough (CW) method whose CW questions were formulated based on an extended HCI model that distinguishes between perceiving and understanding. Applied to a Web design evaluation study, the extended CW was shown to be more effective in identifying accessibility and usability problems while remaining as efficient as the currently-practiced CW.