The Role of Professional Ethics, Conscientiousness, and Job Commitment in Predicting of Role Performance and Extra-Role Performance

Considering increasing importance of the success of organizations in today's complex competitive world and the role of human capital in achieving this success and the impact of professional ethics, conscientiousness and job commitment on role and extra-role performance in achieving this important, present study with the aim of determining the discriminatory contribution of professional ethics, conscientiousness and job commitment in predicting role performance and extra-role performance was done.                 

The present research is correlation and the statistical population included all firefighters in Isfahan, from which 228 people were selected as a sample through simple random sampling. Research tools included questionnaires of professional ethics, conscientiousness, job commitment, role performance and extra-role performance and data were analyzed by Pearson correlation coefficient and stepwise regression analysis.

The results showed that there is a positive and significant relationship between professional ethics, conscientiousness and job commitment with role and extra-role performance. Also, the findings of stepwise regression analysis showed that professional ethics predicts 27%, 21% and 19% of the variance of role performance and extra-role performance toward individual and organization respectively, Conscientiousness 2% and 5% of the variance of role performance and extra-role performance toward individual respectively, and job commitment, 2% and 3% of the variance of role performance and extra-role performance toward organization, respectively.

The research results indicate that in the presence of all predictor variables, professional ethics has the most power to predict role performance and extra-role Performance toward individual and organization in employees. Therefore, attention to this important finding should be considered by managers and policy makers of organizations.