Özet:

The purpose of this study is to investigate the relationship among psychological capital, job stress and ser-vice-oriented organizational citizenship behaviour (SOOCB) in the food and beverage businesses which are a subcategory of the service sector. Accordingly, 502 questionnaires were collected during October-December 2017 from the employees of food and beverage department of four and five star hotels, and the staff of the first class restaurants and the restaurants with the special facility certificate in Eskişehir. According to the result of SEM (Structural equation modelling), there was a significant positive relationship between psycho-logical capital and Service oriented organizational citizenship behavior (SOOCB), and a significant negative relationship was found between psychological capital and job stress. There was a significant and negative relationship between job stress and SOOCB. Moreover, it has been determined that job stress is a partial mediator in relation to psychological capital and SOOCB. In line with the research findings, suggestions are presented for the business managers.

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