The Role of Piety in Improving the Performance of the Staff of the Organization 

This research has been conducted in the field of Islamic management for studying in the organizational environment entitled " Study and review the role of piety in improving the performance of the staff of the organization.

4 hypotheses were developed based on 5 identified variables. The statistical population of the study was 490 employees of the Arak Social Security organization and the sample was 141 employees of the organization. In order to answer the research questions and hypotheses, 2 questionnaires designed and The reliability of the questionnaire was confirmed by Cronbach's alpha coefficient with 0.93 coefficient for virtue's questionnaire and coefficient 0.975 for performance's questionnaire and total with 0.97 coefficient. The content validity of the two questionnaires was approved by the supervisors and counselors and the study of books and articles related to research and correctional comments. In descriptive statistics, the central indices (abundance and frequency) were used to analyze the demographic data and the dispersion indices (mean and standard deviation) were used to analyze the variables of the research. The f test was used to determine the status of the variables of the research, the test Kolmogorov-Smirnov in order to check the normality of the data, Watson's Durbin test for independence of errors and correlation coefficient and correlation coefficient were used to measure the relationship between variables with SPSS24 software.

All four research hypotheses have been confirmed. The results show a significant and positive impact between individual virtue, social virtue, economic virtue, and political virtue on Staff performance.