Thesis:

the effect of knowledge concealment on individual performance with the moderating role of transformational leadership among elementary teachers in Bam and Safiabad County in in academic year 2025

This research was an applied study, and in terms of methodology, it was a descriptive-survey correlational study. The statistical population included all 150 elementary school teachers in Bam and Safiabad counties. A sample of 108 teachers was selected using a simple random sampling method based on Morgan's table. Data were collected using three questionnaires: the knowledge hiding questionnaire by Connelly et al. (2012), the individual performance questionnaire by Koopman (2014), and the transformational leadership questionnaire by Doostar et al. (1395/2016). The content validity of the questionnaires was confirmed by management professors, and their reliability was estimated using Cronbach's alpha coefficient, with values above 0.7. For data analysis, descriptive statistics such as frequency distribution tables, mean, and standard deviation were used. For inferential statistics, Pearson's correlation coefficient, regression, and structural equation modeling were employed using SPSS 26 and SMART PLS3 software. The results showed that transformational leadership with a path coefficient of -0.16 and a t-test statistic of 3.34 moderates the relationship between knowledge hiding and individual performance. The overall conclusion is that transformational leaders, by creating an environment based on trust and cooperation, facilitate knowledge sharing and improve individual performance.

Keywords: Keywords: Knowledge hiding, individual performance, transformational leadership