Customer Satisfaction of Shiraz Water and Wastewater Company: Application of the Kano Model

Document Type : Research Paper

Author

Master of Industrial Engineering, Shiraz Water and Wastewater Company, Shiraz, Iran

Abstract

Today, customer satisfaction is one of the main issues that water and wastewater companies must consider. In this regard, it is necessary and important to pay attention to what can be effective in increasing customer satisfaction. Therefore, the aim of this research was to evaluate the satisfaction of the subscribers of Shiraz Water and Wastewater Company, for this purpose, the combination of Delphi and Kano model was used. The method used in the current research was descriptive-analytical and qualitative-quantitative in terms of the type of the data. For this purpose, according to the Delphi method, 37 satisfaction factors of the subscribers of Shiraz Water and Wastewater Company were selected according to the opinion of the company's experts and experts and were investigated as the main variables of the research. In the following, using a research questionnaire based on the Kano model, information was collected from the statistical population, and using an evaluation table, the type of needs of the subscribers was identified, and after that, the coefficient of satisfaction and dissatisfaction was calculated and analyzed. Based on Kano's model, customer satisfaction factors are mainly classified into three categories: must-be, one-dimensional and attractive requirements. In this research, 10 factors were identified as must-be requirements, 9 factors as one-dimensional requirements, and 18 factors as attractive requirements, which were ranked based on the level of satisfaction and dissatisfaction of subscribers. Based on the results, Shiraz Water and Sewerage Company should focus more on the characteristics of attractive requirements instead of must-be or one-dimensional requirements in order to gain a competitive advantage and focus on customer satisfaction.

Keywords


Azar, A. & Momeni, M. 2020. Statistics and its Application in Management, SAMT Publications. Tehran, Iran. 348 Pages. (In Persian)
Azimi, H. & Nooralidokht, H. 2013. Measuring the level of satisfaction of West Azarbaijan Water Company subscribers with the quality and quantity of drinking water and environmental pollution of water and wastewater networks with the EFQM approach. The 2nd International Conference on Management, Entrepreneurship and Economic Development. Qom, Iran. (In Persian)
Banafshi, P. 2016. Comparing the expectations and perceptions of service recipients using the SERVQUAL model; case study: Sanandaj City Water and Wastewater Department. International Conference on Change Management. Tehran, Iran. (In Persian)
Bayraktaroğlu, G. & Özgen, Ö. 2008. Integrating the Kano model, AHP and planning matrix: QFD application in library services. Library Management, 29, 327-351. https://doi.org/10.1108/01435120810869110.
Berger, C. 1993. Kano's methods for understanding customer-defined quality. Center for Quality Management Journal, 2, 3-36. https://doi.org/10.4236/jep.2019.109070.
Hayati, Z., Mozafari, A., Mozafari, A. & Manouchehri, R. 2013. Segmentation of public library patrons based on their needs using artificial neural network, hierarchical analysis and Kano model. Information Research and Public Libraries, 20, 513-533. (In Persian)
Kano, N. 1984. Attractive quality and must-be quality. Journal of the Japanese Society for Quality Control, 31, 147-156. https://doi.org/10.20684/quality.14.2_147.
Kavoosi, S. M. R. & Saghaei, A. 2021. Methods of Measuring Customer Satisfaction. Sabzan Publications, Tehran, Iran. (In Persian)
Krejcie, R. V., & Morgan, D. W. 1970. Determining sample size for research activities. Educational and Psychological Measurement30(3), 607-610.
Niliahmadabadi, M. & Izadi, M. 2016. Presentation of customer satisfaction measurement model for water and wastewater organization. The 1st National Conference of Islamic Sciences of Law and Management. Qom, Iran. (In Persian)
Sauerwein, E., Bailom, F., Matzler, K. & Hinterhuber, H. H. 1996. The Kano model: how to delight your customers.  International Working Seminar on Production Economics, 1(4), 313-327. https://doi.org/10.4236/ijcm.2014.520158.
Shafieisabet, N. & Hoseini, S. S. 2021. Assessing the quality of rural water and wastewater company services using the SERQUAL model (case study: rural settlements in Hamadan City). Sustainable Development of the Geographical Environment, 3, 125-141. (In Persian). https://doi.org/10.52547/SDGE.3.4.125.
Taheri, H. 2020. Investigating factors affecting customer satisfaction with the quality of services provided and social responsibility of water and wastewater companies in Neyshabur. The 4th International Conference on Management, Accounting, Banking and Modern Economy. Mashhad, Iran. (In Persian)
Tan, K. C. & Pawitra, T. A. 2001. Integrating SERVQUAL and Kano’s model into QFD for service excellence development. Managing Service Quality: an International Journal, 11, 418-430. https://doi.org/10.1108/EUM0000000006520.
Zhang, P. & Von Dran, G. 2001. Expectations and rankings of Web site quality features: results of two studies on user perceptions.  Proceedings of the 34th Annual Hawaii International Conference on System Sciences, IEEE. Maui, HI, USA. 10 pp. https://doi.org/10.1109/HICSS.2001.927050.