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http://dx.doi.org/10.5143/JESK.2007.26.3.101

A Study on Usability Evaluation with QFD on Customers' Sensation of Dishwasher  

Jin, Beom-Suk (Department of Industrial & Information Engineering, Yonsei University)
Cho, Kye-Youn (Department of Clothing and Textiles, Yonsei University)
Ji, Yong-Gu (Department of Industrial & Information Engineering, Yonsei University)
Cho, Gil-Soo (Department of Clothing and Textiles, Yonsei University)
Kim, Gyoung-Rok (Digital Appliances R&D Center, Samsung Electronics Co., LTD)
Lee, Chang-Hui (Digital Appliances R&D Center, Samsung Electronics Co., LTD)
Publication Information
Journal of the Ergonomics Society of Korea / v.26, no.3, 2007 , pp. 101-109 More about this Journal
Abstract
This research is for developing a usability evaluation model based on customer sensation using Quality Function Deployment, which evaluates the relationship between consumer sensation and usability among the physical design factors of dishwashers. Four aspects of the evaluation model; overall sensation factors, detail sensation factors, usability evaluation factors and physical design factors of products were analyzed in three sequential processes of QFD. The sensation evaluation factors and the usability evaluation factors were created from regression analysis of the results of the sensation and usability test. Moreover, thirty-one physical design factors selected through group discussion of ergonomist and manufacturers. Among them, 19 physical design factors according to priority were applied to evaluation model using QFD. With the evaluation model using four aspects, physical design factors influencing user sensation were generated. These factors were 'alarm sound', 'dishwasher size', 'button size' and 'display size'. Consequently, the degree of influences was tested. Design guidelines for dishwashers were derived from finally generated physical design factors.
Keywords
Dishwasher; Quality function deployment; Sensation; Usability;
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