and aims: Job stress at workplaces is an effective factor on job satisfaction, turnover and task performance. This research was administered with the aim of investigating the relationship between job stress with turnover and task performance considering the mediating role of job satisfaction. Methods: The research method was descriptive which administered in the form of co-relational. Research statistical population was the employees of a public sector organization, among them, 187 persons were

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... selected via simple random sampling. Research instruments consisted of: Babakas et al's (2009) turnover, task performance and job stress questionnaires, and Spector's (1985) job satisfaction questionnaire. Data were analyzed using Structure Equation Modeling (SEM). Results: Results revealed that: 1. There are negative significant relationship between job stress with job satisfaction and task performance, and positive significant relationship with turnover (P<0.01). 2. Job satisfaction has negative significant relationship with turnover, but it has positive significant relationship with task performance. 3. Job satisfaction was partial mediator variable on the relationships between job stress with turnover and task performance. Conclusion: The results of this research showed that to control the effects of stress on turnover and task performance, organizations must concentrate on the stress management training and reinforcement the job satisfaction.