Abstract:

Nowadays, organizational commitment is a critical success factor in the business. Bringing the obstacles is one of the ways of increasing the organizational commitment. The job stress is one of these obstacles. Job stress is one of the prolems of both worker and business. Job stress has a negative effect on a lot of organizational variables. Job stress a reducing factor on organizational behavior. There is a lot of factors in the relationship between job stress - organizational commitment. The union membership is one of them. The present study aims to investigate (1) the direct effects of job stress on organizational commitment and (2) the moderating role of the union membership in the relationship between job stress and organizational commitment using a private health sector sample. The hypotheses were tested with a sample of 216 workers from private health sector from Isparta/Turkey. The results demonstrated that job stress is negatively related to organizational commitment of the workers. In addition, it is determined that the Union membership have moderating role in the relationship between job stress - continuance commitment. 

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