Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15401
Title: A study on subjective preference to daylit residential indoor environment using conjoint analysis
Authors: Cheung, HD
Chung, TM
Keywords: Conjoint analysis
Daylight
Indoor environment
Part-worth
Utility
Issue Date: 2008
Publisher: Pergamon Press
Source: Building and environment, 2008, v. 43, no. 12, p. 2101-2111 How to cite?
Journal: Building and environment 
Abstract: This paper reports a study of the subjective preference to daylit indoor environment of a residential room using conjoint analysis, which is a highly reputable method used to analyze the mutual relationships among different attributes. Seven influential attributes were selected in the view of daylight performance assessment. They include 'general brightness', 'desktop brightness', 'perceived glare', 'sunlight penetration', 'quality of view', 'user friendliness of shading control' and 'impact on energy'. Each of them has two levels. A total of eight combinations (profiles) of attributes with various levels were established by adopting fractional factorial design. Subjects were asked to rank-order the eight profiles according to their preference in terms of daylit environment of a residential room. The study aims at finding out the relative impact of the seven selected attributes to the overall daylight performance and seeking an organized assessment method for a residential daylit environment. Conjoint analysis found that the seven attributes have importance level in the order of 'quality of view', 'general brightness', 'impact on energy', 'user friendliness of shading control', 'perceived glare', 'desktop brightness' and 'sunlight penetration'.
URI: http://hdl.handle.net/10397/15401
ISSN: 0360-1323
EISSN: 1873-684X
DOI: 10.1016/j.buildenv.2007.12.011
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