Factors Affecting Organizational Commitment and the Role of Organizational Justice in Promoting

The present study was conducted to investigate the factors affecting organizational commitment and the role of organizational justice in promoting it. Purposeful study is an applied research. The statistical population consisted of specialists working in petrochemical companies located in Pars Special Economic Region (Assaluyeh). The sample size was 260 according to the Cochran formula. The research was conducted in two stages. In the first step, a researcher-made questionnaire was used to determine factors influencing organizational commitment using 0.831 Cronbach's alpha coefficient. So that 25 factors affecting organizational commitment through factor analysis by explaining %75 of the factors were classified into four general categories: (1) structural / managerial factors; (2) factors related to occupation; (3) environmental and physical factors; (4) individual factors. The findings showed that the organizational justice as a component of organizational / managerial factors has the highest degree of impact on organizational commitment. In the second stage, the role of organizational justice in promoting organizational commitment was studied. Data were collected by Allen & Meyer (1990) and Organizational Justice Questionnaire Niuoff & Morman (1993) with Cronbach's alpha coefficient of 0.786 and 0.835, and analyzed by Pearson correlation coefficient, analysis Regression, T-test and ANOVA.The results indicated that there was a positive and significant relationship between organizational justice and organizational commitment at %99confidence level.