Evaluating the Quality of Residential Environments Using "DEMATEL" Technique and Fuzzy Method. (A Case Study of Ahwaz)

Housing as the most functional use has been focused by regional and urban planners in cities for providing a proper place to satisfy the physical and emotional needs of people. Suitable housing as far as physical indicators are considered is the one which  matches with the defined standards and in which there are factors like easy accessibility to work place, shops, leisure time, remedial and educational places. Investigating the criteria and indicators influencing housing can be easily performed when housing is planned and specified. Therefore, the aim of this study is evaluating the quality of urban housing in Ahwaz. This study considering functional aim and viewpoint of the research is a descriptive-analysis one. The dominant approach in evaluating housing is spatial-local analysis. In order to investigate the obtained data, "DEMATEL" technique and fuzzy method were used. First, the software layers were edited in the ARCGIS environment and then were standardized using the "fuzzy membership" method. Using the "DEMATEL" technique a questionnaire completed by 10 specialists of urban planning was used to obtain the weight of the criteria the value of which then was multiplied by the layers and eventually was covered with the  0.8 of the “fuzzy Gamma" the result of which was Ahwaz city Housing evaluating map in 5 classes. The results of the study showed that very high, high, medium, and low qualities were 6.23, 1.52, 9.20, 2.1 and 2.2 respectively.