Organizational commitment has been one of the most popular work attitudes studied by practitioners and researchers. This article seeks to investigate the mediating role of psychological contract (PC) in the relationship between person-job (PJ) fit, person-organization (PO) fit and organizational commitment (OC). The target population for this study consists of support staff of Iran’s national g...

since the staffing are the most important and valuable assets in organization, and achieving organizational goals depends on the commitment and expertise of its human capital, the identification and analysis of issues that impede the flourishing of this valuable asset and led them to be indifference; has a special importance. the aim of this study was analysis of the effect of job characteristi...