Mediating effect of professional commitment in the relationship between professional competency and job performance (case: The educations expert of Tehran University)

The present study was done with survey aim mediating effect of professional commitment on the relationship between professional competency and job performance. Research method was descriptive- correlation with an emphasis on structural equations. Statistical population of the research consists of all education expert of Tehran University (N=340). Cochran formula was used to determine the sample size And 180 individuals were selected as the sample that their selection was done by proportional stratified method. Data collection based on the three questionnaire of Researcher made professional competency, Meyer, Allen and Smith’ s Professional commitment (1993) and Hersey and Goldsmith’ s job performance (1981) was performed which their Cronbach's alpha coefficient was Obtain respectively 0.92, 0.91 & 0.95 and face and content validity of the questionnaire was confirmed by experts. The method results showed that professional competency on professional commitment and job performance has a positive and significant impact and professional commitment has a positive and significant impact on job performance. As well as the role of mediator of professional commitment was confirmed in the relationship between professional competency and job performance.