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URN etd-0910108-135713 Statistics This thesis had been viewed 3477 times. Download 1656 times. Author Ya-hui Huang Author's Email Address No Public. Department Industrial Design Year 2007 Semester 2 Degree Master Type of Document Master's Thesis Language Chinese&English Page Count 198 Title A Study on the Legibility of Air-condition Remote Control for the Elderly Keyword legibility elderly color air-condition remote control air-condition remote control color elderly legibility Abstract Along with the advances of technology, most products nowadays boast its ultra-lightness and thinness as well as its multi-functions. Such development induces smaller user interfaces on products, among which include air-conditioner remote controls. With a trend as such, the challenge of designing products that meet the needs of elderly users has become critical and imminent. This research is thus dedicated to explore the elements on remote controls’ user interface which affect the elders’ legibility, and duly propose suggestions on its overall design.
The research consists of market surveys, questionnaire surveys, and two experiments. Twelve marketed air-conditioner remote controls were collected and compared through market surveys to fully appreciate the status quo of AC remote controls. Questionnaire surveys on six selected AC remote controls available on the market were later carried out among twenty elders aged 70.45 in average, thus revealing that the color combination of text and background greatly affects legibility. A group of 22 elder aged 67 in average then proceeded to receive a screen simulation test of 110 different color combinations. By cross referencing and ranking both elements of legibility and preference, a final of 32 combinations were selected, which were to be sample tested on 26 elders aged 73.21 in average.
It is founded through Durbin test, one-sample t test and correlation coefficient analysis that: (1) to pursue higher legibility and meet preferences, it is optimal to select text and background color combinations such as white versus black, red versus yellow, black versus yellow, white versus purple, white versus red, or black versus pink, while avoiding combinations of gray versus pink, pink versus yellow, gray versus orange, or purple versus black. (2) Legibility and preferences are positively related to lightness difference of color combinations, while less so with color difference, chroma difference, and redness-greenness difference and yellowness and blueness difference. (3) Negative display modes provide better legibility for elder users. (4) Legibility and preferences are significantly positively related.
Advisor Committee Cherng-Yee Leung - advisor
Wen-Yuan Lee - advisor
Ming-Chuen Chuang - co-chair
Files Date of Defense 2008-07-07 Date of Submission 2008-09-10