Univrsity Of Tehran Press Journal of Business Management 2008-5907 7 3 2015 09 23 Explanation of personality factors affecting oniomania with an emphasis on moderator role of keeping up with the Joneses Explanation of personality factors affecting oniomania with an emphasis on moderator role of keeping up with the Joneses 699 720 53196 10.22059/jibm.2015.53196 FA Abbasali Rastegar Associate Professor, Manager of Organizational Behavior Department, Semnan University, Semnan, Iran Mohammad Ali Siah Sarani Kojori PhD Candidate, International Marketing Management, Semnan University, Semnan, Iran Journal Article 2014 10 10 One dark side of customer’s conducts, roughly unattended, is his obsessive shopping, trying not to be outdone and thus addiction to shopping. This research aims to study the effects of personality traits on obsessive shopping and its effect on oniomania with adjusting effects of keeping up with the Joneses. This is an applied research with descriptive method. Statistical population consists of Semnan university students and sampling method was cluster sampling. According to Morgan's table, a sample of 377 or more was appropriate. We analyzed data from 380 questionnaires that were completely answered. The research reliability was measured and verified by inspecting internal consistency and its validity was determined by convergent and divergent validity. To study the research hypotheses, structural equations modeling was used. In significance level of 0.05, results revealed that there was a positive and significant correlation between personality traits and obsessive shopping. Obsessive shopping, on the other hand, has positive and significant effect on oniomania. Furthermore, keeping up with the Joneses increasingly adjusts the effect of obsessive shopping on oniomania. One dark side of customer’s conducts, roughly unattended, is his obsessive shopping, trying not to be outdone and thus addiction to shopping. This research aims to study the effects of personality traits on obsessive shopping and its effect on oniomania with adjusting effects of keeping up with the Joneses. This is an applied research with descriptive method. Statistical population consists of Semnan university students and sampling method was cluster sampling. According to Morgan's table, a sample of 377 or more was appropriate. We analyzed data from 380 questionnaires that were completely answered. The research reliability was measured and verified by inspecting internal consistency and its validity was determined by convergent and divergent validity. To study the research hypotheses, structural equations modeling was used. In significance level of 0.05, results revealed that there was a positive and significant correlation between personality traits and obsessive shopping. Obsessive shopping, on the other hand, has positive and significant effect on oniomania. Furthermore, keeping up with the Joneses increasingly adjusts the effect of obsessive shopping on oniomania. https://jibm.ut.ac.ir/article_53196_9c023a0d7e11e6e88c6464768f6eee98.pdf