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http://dx.doi.org/10.5143/JESK.2010.29.5.771

Ergonomic Designs of Car Navigation for Elderly Users  

Kim, Chang-Kyoon (Graduate School of Industrial Management and Security, Korea University)
Choe, Jae-Ho (Department of Industrial and system Engineering, Daejin University)
Im, Young-Jae (Graduate School of Industrial Management and Security, Korea University)
Jung, Eui-S. (Division of Information Management Engineering, Korea University)
Publication Information
Journal of the Ergonomics Society of Korea / v.29, no.5, 2010 , pp. 771-782 More about this Journal
Abstract
Today, the number of elderly drivers who use navigation is increasing with the growing number of elderly drivers. The purpose of this study is to provide guidelines on the interface of car navigation for elderly users. To extract significant factors which were distinguished between young and elderly users, both young and elderly users executed the driving test by installing two car navigation alternatives. The analysis was conducted through t-test. The results show that significantly different factors were the number and the meaning of the menu items in the initial screen, the location and the meaning of the menu icons in the map screen, the ease of search of the menu and the text size in the menu screen. Improvements for the factors of the initial screen and map screen were made with reference to ergonomic guidelines, and suggested through experiments comparing design alternatives for the menu screen. Design alternatives were made through a combination of investigative variables, and the analysis was conducted through ANOVA. The results show that Alternative 7 (the location of the tab was placed at the bottom, menu representation was done with the text font size of 18pt and the location of menu navigation icons was shown at the upper left) was preferred in terms of user's preference and the execution time. So if the suggested menu for elderly users are added to the existing design, both users will satisfy their desires. The guidelines suggested in this study will help the designer of car navigation take elderly users into consideration.
Keywords
Elderly user; Car navigation; Navigation activity; User interface;
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