This study tested a model consisting of job satisfaction, organizational commitment, and job performance as dependent variables, core self-evaluations as independent variable, and perceived job characteristics, goal commitment, organizational climate, and organizational empowerment as mediators. Data were gathered from a sample of 294 employees (278 men, 16 women) of National Iranian South Oil Company in Ahvaz, Iran. The instruments used in present study consist of Core Self-Evaluations Scale (CSES), Organizational Commitment Scale (OCS), Job Performance Scale (GPS), Job in General Scale (JIGS), Organizational Climate Scale (OCS), Job Diagnostic Survey (JDS), Organizational Empowerment Scale (OES), and Goal Commitment Scale (GCS). Structural equation modeling (SEM) analyses indicated that the proposed model fit the data properly. The results also supported the direct effect of CSE on job satisfaction, organizational commitment and job performance, and indirect effect of CSE on job satisfaction and organizational commitment through perceived job characteristics, organizational climate, and organizational empowerment. The relationship between CSE and job performance was not mediated by goal commitment.

Keywords: self-esteem, locus of control, organizational empowerment, organizational climate

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