[논문]중고령 주부를 고려한 김치냉장고 제어판의 사용자 인터페이스 디자인

박재희; 이인석; 박태주; 최재현

doi:10.5143/jesk.2009.28.3.027

[국내논문] 중고령 주부를 고려한 김치냉장고 제어판의 사용자 인터페이스 디자인
User Interface Design of the Control Panel of Kimchi Refrigerator for the Older Women 원문보기

Journal of the Ergonomics Society of Korea = 大韓人間工學會誌, v.28 no.3, 2009년, pp.27 - 31

박재희 (한경대학교 안전공학과) , 이인석 (한경대학교 안전공학과) , 박태주 (한경대학교 인간과학응용연구소) , 최재현 ((주)U2 시스템)

Abstract ▼ AI-Helper

To evaluate the usability of a Kimchi refrigerator, we performed an evaluation test that consisted of an experiment and a post-hoc questionnaire survey. In this study, we focused on the older women who have less physical and cognitive ability than younger women. In physical usability, there was no significant difference between the older and the younger subject group. However, there was some significant statistical difference in the results of cognitive usability test. When the subjects debriefed their operations after finishing the experiment, the all subjects in the older group reported the difficulties in identifying the labels and icons in the control panel and in understanding operation sequences. Also, they couldn't learn and remember the operation procedures well. Based on the analysis of the video protocols, some causes of the problems were found and then several improvement ideas were suggested.

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문제 정의

In this study, we found the significant differences between the younger and the older people in cognitive usability. Although there was no difference in physical usability, it didn't mean that there was no problem of the Kimchi refrigerator.

제안 방법

The tasks consisted of two parts: Firstly, the subjects were asked to pull out the six containers from the preserving rooms and then to put back them. They repeated the cycles varying the weight of the containers, 4, 6, 8, and 10Kg(Figure 4).
This study has some limits because of the little number of subjects. Also, the results should be confined on a specific model used in this study. Therefore, in applying the results to the other models, it is needed to consider the experiment conditions of this study.

대상 데이터

Volunteered six old women(50.3±2.3years) and six young women(20.8±0.8years) participated in the experiment.
A newly launched Kimchi refrigerator sized in 210ℓ was used in the experiment. It has a crystal control panel with a touch screen(Figure 2).

성능/효과

Based on the analysis, some design guidelines were suggested. First, although the crystal panel looked fancy, the readability was very poor. Brightness and contrast are key factors in enhancing readability of displays.

참고문헌 (9)

Hong, B., Park, S., Kim, I., Kim, S. W., Kim, C.-J. and Kwon, G. S., A factfindingsurveys on the oldster's visual environment. The proceedingsof Ergonomics Society of Korea, 2002.
Koppa, R. J., Jurmain, M. M. and Congleton, J. J., An ergonomics approachto refrigerator design for the elderly person. Applied Ergonomics,20(2), 123-130, 1989.

상세보기
Korea Power Exchange, Survey on the number of home appliances in useand the electricity use pattern in residential houses. Korea PowerExchange, 2007.
Lee, I., Park, J. H. and Park, T., Survey of customer satisfaction of Kimchirefrigerators with focus on physical user interfaces. Journal of theErgonomics Society of Korea, 26(4), 113-120, 2007.

원문보기 상세보기
Park, J. H. and Jung, K. T. Validation test for using the computer-generated prototype in the usability test for the control-display panel of a refrigerator. Design study, 11(1), 237-244, 1998.
Park, J. H., Lee, I. and Park, T., Development of product evaluationtechnology by using a three-dimensional motion analysis system.Hankyong National University, 2006.
Sanders, M. and McCormick, E., Human factors In engineering and design.McGraw-Hill, 1997.
Song, B. H., Jung, K. T. and Yun, H. K., The universal design ofmicrowave oven considering old persons. Journal of the ErgonomicsSociety of Korea, 19(1), 37-48, 2000.
U2 Systems Inc., Evaluation of the optimal depth of Kimchi refrigeratorand the hand grip of container. U2 Systems Inc., 2006.

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