Comparative Study of ELECTRE Methods with Intuitionistic Fuzzy Sets Applied on Consumer Decision Making Case


  •   Ming-Che Wu


This article proposes an intuitionistic fuzzy (IF) Elimination and Choice Translating Reality (ELECTRE) method to rank consumers’ alternatives ranking order with subjects’ questionnaires by using IF data and the ranking order applied the proposed method are closer to consumers their own ranking order. Moreover, the mean value of Spearman correlation coefficients are higher than 80% in each product category, and also higher than 90% at bank service product category especially. This study uses IF sets characteristics to handle uncertain decision environment and to classify the concordance and discordance sets according to their score function for measuring the degree of suitability of each alternative and also using the concept of the positive and negative ideal solutions to rank all candidate alternatives in the proposed method. Furthermore, analyzer can use this method to gain valuable information from questionnaires, and consumers rarely provide preference data directly. Additionally, an empirical study is given to illustrate the proposed method and also compared with Wu and Chen 2011’s paper which considered not only score function but also accuracy function. The results show that using the proposed method, decision makers can easily predict candidate alternatives ranking order and make decisions accurately.

Keywords: Decision Making, Intuitionistic Fuzzy Set, Intuitionistic Fuzzy ELECTRE Method, Score Function


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How to Cite
Wu, M.-C. 2019. Comparative Study of ELECTRE Methods with Intuitionistic Fuzzy Sets Applied on Consumer Decision Making Case. European Journal of Engineering Research and Science. 4, 10 (Oct. 2019), 103-110. DOI: