The aim of current research was to study the role of ethical climate (atmosphere) in staffs’ job involvement dimensions. The research method was descriptive (kind of correlation) and was based on structural equations modeling. The statistic universe consists of all staffs of Tehran welfare organization at 1393 that were 270 people.
The sample volume was considered 160 people due to statistical universe that this volume was confirmed based on statistical power higher than 8/0 and significant level near to zero in analyzing hypotheses. Sampling method was relational ranged random that based on center and calculated amount from each range (class) proportional to statistical universe volume, the number of sample was defined for every center. The tools of collecting data included two questionnaires of ethical climate in organization (Vector and Cullen 1988) and job involvement (Schaufeli 2002) with Likert’s 5- degree scale. So all questionnaires had much reliability. According to research findings, ethical climate has meaningful and positive effect on job involvement dimensions. In other words, employers with high ethical climate (good ethics) in organizations have high job involvement.