fuzzy hierarchy analysis

Considering the role of knowledge workers in knowledge-based organizations and the ‎importance of the motivation of this group of employees to enhance the effectiveness and ‎efficiency of the organization; the main objective of the research, identifying and ranking ‎the factors affecting the reduction of the motivation of knowledge workers and providing a ‎model for its improvement at the Research Institute of Petroleum Industry. After reviewing ‎the research literature and using the experts' opinions, the final research model was ‎prepared. This research is quantitative in terms of its approach, in terms of orientation, ‎applied and in terms of strategy, survey. The statistical population of the research is ‎managers, faculty members and researchers of the research institute of petroleum industry. ‎Fuzzy hierarchy analysis technique was used to rank the identified factors and was used ‎by experts. The results of the research indicate that the most important factors affecting ‎the reduction of motivation of knowledge workers in order of priority are the lack of ‎opportunities for improvement and progress; lack of challenging tasks; lack of freedom of ‎action and independence; the process of evaluating the uncertain performance of ‎employees; low salaries and benefits; Lack of managerial support; lack of direct ‎communication with the manager; and willing co-workers.‎