Investigating Impacts of leadership style, organizational design and HRM practices on knowledge hiding: The indirect roles of organization justice and competitive work environment in the staff of the of Education of West Azerbaijan Province

The main purpose of this research was to investigate the effect of leadership style, organizational design and human resource management practices on concealment. Organizational justice and competitive work environment were also considered as mediating variables. The current research is an applied research type and according to the nature of the subject and research objectives, it is a correlation research type (structural equations). The statistical population of the research included 260 employees of the General Department of Education of West Azarbaijan province, of which 171 people were selected by simple random sampling from the statistical population for the implementation of this research. Connelly et al.'s questionnaire to measure the knowledge hiding variable, the reliability of which is 0.75, Avolio et al.'s questionnaire, which has a reliability of 0.92, to measure the leadership style, and Avi et al.'s and Zerla et al.'s questionnaire to measure organizational design. It is 0.92, to measure the human resources management methods, Dudukh, Kiho, Wright, and Pare and Tremblay questionnaire, the reliability of which is 0.86, and for organizational justice, Abu Bakr et al.'s questionnaire, which has a reliability of 0.85, and for the competitive work environment, the Fletcher and Nussbaum that its reliability is 0.77 was used. The information obtained in this research was analyzed at the level of inferential statistics (Pearson correlation coefficient tests, Confirmatory factor analysis and structural equation model). The findings of the research showed that the leadership style, organizational design, human resource management methods due to organizational justice and competitive work environment do not affect the knowledge concealment of employees of the General Department of Education of West Azerbaijan. Leadership style, organizational design have a direct negative effect on knowledge concealment, and competitive work environment has a direct effect on knowledge concealment, leadership style has an indirect negative effect on knowledge concealment through organizational justice, and leadership style has an indirect negative effect on knowledge concealment. Knowledge through a competitive work environment.