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Enhanced Cognitive Walkthrough: Development of the Cognitive Walkthrough Method to Better Predict, Identify, and Present Usability Problems

Lars-Ola Bligård (Institutionen för produkt- och produktionsutveckling, Design and Human Factors) ; Anna-Lisa Osvalder (Institutionen för produkt- och produktionsutveckling, Design and Human Factors)
Advances in Human-Computer Interaction (1687-5893). Vol. 2013 (2013),
[Artikel, refereegranskad vetenskaplig]

To avoid use errors when handling medical equipment, it is important to develop products with a high degree of usability. This can be achieved by performing usability evaluations in the product development process to detect and mitigate potential usability problems. A commonly used method is cognitive walkthrough (CW), but this method shows three weaknesses: poor high-level perspective, insufficient categorisation of detected usability problems, and difficulties in overviewing the analytical results. This paper presents a further development of CW with the aim of overcoming its weaknesses. The new method is called enhanced cognitive walkthrough (ECW). ECW is a proactive analytical method for analysis of potential usability problems. The ECW method has been employed to evaluate user interface designs of medical equipment such as home-care ventilators, infusion pumps, dialysis machines, and insulin pumps. The method has proved capable of identifying several potential use problems in designs.



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Denna post skapades 2013-10-19. Senast ändrad 2015-10-22.
CPL Pubid: 185405