International Science Community Association Research Journal of Recent Sciences 2277 - 2502 3 11 2014 November 2 Study of Factors Affecting Success of ERP System Implementation in Iranian Organizations with Change Management Approach 70 78 EN Amanati Sahar 1 Business Management Department, Allameh Tabataba'i University, Tehran, IRAN yazdandoust Majid 1 Department of Civil Eng., Tarbiat Modares University, Tehran- 14115-111, IRAN panah Alikomak 2 Department of Civil Engineering, Parsian University, Qazvin- 14115-111, IRAN Reza Sadeghzadegan 3 Khorasani Homa 1 Faculty of Psychology, Roudehen Branch, Islamic Azad University, Roudehen, IRAN Hayedeh Saberi 2 Bagheri Nasrin 3 Beigloo Leila 1 East Azarbaijan Science and Research Branch, Islamic Azad University,Tabriz, IRAN Bohloli Nader 2 Department of Management, Bonab Branch, Islamic Azad University, Bonab, IRAN Vahedi Majid 3 Department of Management, Payam Noor University, PO BOX 19395-4697 Tehran, IRAN Abid Muhammad 1 GIFT University Gujranwala, PAKISTAN Rehman MohsinAbdul 2 Sajjad HassanyPazoky 1 Department of Geomatics, Faculty of Engineering, University of Tehran, Tehran, IRAN Mohammad Saadatseresht 2 Chehreghan Alireza 3 Michalovic Roman 1 Faculty of Special Engineering, 897, Rosina, SLOVAKIA Mikomix 2 Družinská 3 M.N. Hafiza 1 School of Fundamental Science, Universiti Malaysia Terengganu, 21030 Kuala Terengganu,Terengganu, MALAYSIA Isa M.I.N. 2 Center of Corporate Communication and Image Development, Universiti Malaysia Terengganu, 21030 Kuala Terengganu,Terengganu, MALAYSIA N.V. Biradar 1 Department of Zoology, Karnatak Science College, Dharwad, Karnataka, INDIA Sindagi AmbarishS. 2 Department of Microbiology, Karnatak Science College, Dharwad, Karnataka, INDIA Bellad A.S 3 Department of Botany, St. Joseph’s Post Graduate and Research Centre, Bangalore, Karnataka, INDIA Reddy Jayarama 4 Department of life sciences, Jain University, Bangalore, Karnataka, INDIA Navalur Ravi 5 Department of Microbiology, Karnatak University, Dharwad, Karnataka, INDIA Naykar Shivaraj 6 Department of Microbiology, University of Gondar, ETHIOPIA MathewsP. Raj 7 Sadashiv S.O 8 Chandrashekhar Unakal 9 Khadijeh KhodabakhshiParijan 1 DOS in B.N. Bahadur Institute of Management Sciences, Manasagangotri, University of Mysore, Mysore, Karnataka, INDIA Naderian Arash 2 Department of Accounting, Aliabad Katoul Branch, Islamic Azad University, Aliabad Katoul, IRAN Hayati Manouchehr 1 Islamic Azad University, UAE Branch, IRAN Vahedi Elham 2 Department of Executive Master of Business Administration, Alborz, IRAN Tavani SaeedNajafi 3 Department of Management, Institute of Management and Planning Studies, IRAN Department of Management and Global Economy, Instroct Scientific Applied Training Center, Tehran, IRAN Shirian Abbas 4 Department of Management, Alborz, IRAN Ebrahimi MohammadReza 5 > Research Paper 2013 12 7 2014 November 2 In the developing world today, application of techniques which increase the speed of processing activities in businesses and simultaneously lead to an increase in profit and yield and reduce costs, has constantly been the center of attention of organizations. In this connection, the Enterprise Resource Planning is among instruments that are highly effective in this respect. But, implementation of the system involves a complex process that is often met with failure. Iranian organizations are not exempt from this rule and a limited number of them have been successful in implementing ERP. In this study, which is an applied research with descriptive survey method, first the explorations conducted in the field of factors affecting success of ERP system were examined. As a result, change management was identified as a vital factor in success of the implementation of ERP system. Then, change management strategies from the viewpoint of Kuzic and Thi van Hau including effective communication, top management support, effective training, project teams, presence of project champion, clear and systematic planning, broad participation of employees, incentives and feedback were used. Thus, effects of change management strategies in success of EPR system implementation were examined through using a questionnaire, which was distributed among experts of the Ministry of Cooperatives, Labor and Social Welfare, who were experienced in the field of implementation of an enterprise resource planning system. Statistical population of the research was 46 people and because of having access to all of them, the complete enumeration method was used in determining the sample. The validity of the questionnaire was determined through face validity by using viewpoints of experts and its reliability through Cronbach's alpha was 0.958, which is indicative of the strong reliability of the questionnaire. To examine the hypothesis of the research, binomial test was used, the result of which was indicative of the effective role of all change management strategies in successful ERP implementation except for the presence of project champion. 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