University of Tehran Press Organizational Culture Management 2423-6942 13 1 2015 05 22 Designing Interactive Model of Organizational Culture and Organizational Citizenship Behavior and Its Impact on Organizational Effectiveness: Mediating Role of Knowledge Management Designing Interactive Model of Organizational Culture and Organizational Citizenship Behavior and Its Impact on Organizational Effectiveness: Mediating Role of Knowledge Management 47 66 52933 10.22059/jomc.2015.52933 FA Davood Feiz Associate Prof. of Business Administration Department, Semnan University, Iran Morteza Akbarzadeh Safui Associate Prof. of Business Administration Department, Semnan University, Iran Somayeh Zangian MSc. in Enterprunership Management, Semnan University, Iran Journal Article 2014 05 31 The present study is going to investigate about the mediating role of knowledge management in the relationship between organiz­ational culture and organizational citizenship behavior with organizational effectiveness. This applied research has a correlational-descriptive aim. The sample included 148 staffs in National Iranian Gas Company who answered a questionnaire its validity and reliability were checked. The research hypothesis was tested using SEM. According to the results, mediating role of knowledge management regarding the relationship between organizational culture and organizational effectiveness, and organizational citizenship behavior with organizational effectiveness was approved. But this role is not so tangible than the direct relationship between these variables. The present study adds some new findings to the knowledge management literature and it emphasizes on the importance of the interactional role of organizational culture, organizational citizenship behavior, and knowledge management in affecting organizational effectiveness. <br />  The present study is going to investigate about the mediating role of knowledge management in the relationship between organiz­ational culture and organizational citizenship behavior with organizational effectiveness. This applied research has a correlational-descriptive aim. The sample included 148 staffs in National Iranian Gas Company who answered a questionnaire its validity and reliability were checked. The research hypothesis was tested using SEM. According to the results, mediating role of knowledge management regarding the relationship between organizational culture and organizational effectiveness, and organizational citizenship behavior with organizational effectiveness was approved. But this role is not so tangible than the direct relationship between these variables. The present study adds some new findings to the knowledge management literature and it emphasizes on the importance of the interactional role of organizational culture, organizational citizenship behavior, and knowledge management in affecting organizational effectiveness. <br />  https://jomc.ut.ac.ir/article_52933_c63966e9a1f849a89f1e523c8528e182.pdf