Identification and Ranking Effective Factors in Increasing Personnel Satisfaction with Intuitionistic Fuzzy Data in Steel and Rolling Unit of Saba (Mobarakeh Steel Company)

The main purpose of this study was to investigate employees and managers’ satisfaction of transporta-tion system in the steal and rolling Units of Saba in Mobarakeh Steel Company using the intuitionistic fuzzy data. The statistical population included the personnel of Saba Steel and Rolling Units from Mobarakeh Steel Company including 1800 people. The sample size included 325 people. In this study, a new method was used to defuzzifying the intuitionistic fuzzy numbers so that the equivalent of every intuitionistic fuzzy number was a real number. This method was also used to rank intuitionistic fuzzy numbers. In this regard, features of the proposed method have been investigated for defuzzyfying and ranking. To measure satisfaction with such data, a questionnaire containing 26 questions was used for collecting field data with a reliability coefficient of 0.95. To analyze the results, one-sample t-test, binomial test and Friedman test were used.