Mediation Test of Coaching Leadership in the Relationship between the Involvement culture of schools and the Lean behaviors of school principals

The aim of the current research was to test the mediation of coaching leadership in the relationship between the involvement culture of schools and the lean behaviors of school principals. The research population was all the primary school teachers of Ilam province, and a sample of 339 teachers was selected from this population using proportional stratified random sampling based on Cochran's formula. The quantitative research method was correlation studies and covariance-based structural equation modeling approach. To collect data from Dennison's participatory organizational culture questionnaires; The coaching leadership of Pilaz Zuborbuehler et al. and the researcher-made questionnaire of pure behaviors of school principals were used. The reliability and validity of the questionnaires were checked with Cronbach's alpha techniques, content validity ratio, exploratory factor analysis and confirmatory factor analysis. Cronbach's alpha values of the questionnaires were calculated as 0.91, 0.93, and 0.81, respectively, and the content validity ratio of the questionnaires was calculated as 0.97, 0.83, and 0.72, respectively. Structural equation modeling was used for data analysis using Lisrel 10.30 software. The results showed that the Involvement culture of schools has a positive effect on the lean behaviors of school principals at the level of 0.05; The Involvement culture of schools has an indirect positive effect on the lean behaviors of managers at the level of 0.05 through the coaching leadership of principals; Also, the Involvement culture of schools and the coaching leadership of principals are able to explain 41% of the variance of lean behaviors of school principals.