The survey
The analysis is based on empirical data collected through questionnaires containing
pair wise comparisons between 13 environmental criteria. The respondents are asked
to indicate which one of the attributes is more important than the other, as far as
contributing to the housing environment in Guangzhou is concerned, and then to
Housing
environment
preference
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indicate the degree of importance of one attribute over the other on a five-point scale
ranging from 1 (equal importance) to 5 (absolute importance). Equal importance for
any pair of attributes is permitted. A total of 25 pair wise comparisons are made by
each respondent.