Design and validation of a scale for the study of distributed leadership in secondary schools

Distributed leadership is one of the most popular theories in school environments today. This theory has a great impact on the improvement and performance of schools, the effectiveness of teachers and, consequently, student outputs. Therefore, the main purpose of this study was to construct and validate a scale for the study of distributed leadership in secondary schools. The statistical population included all high school teachers in Kurdistan province. In the first stage, 377 people and 6 months later, 321 people were studied by random sampling from different regions. In the first stage, the data were analyzed using Exploratory factor analysis, using principal component analysis of direct ablation rotation with SPSS 23 software. In the second stage, the data were analyzed using confirmatory factor analysis and AMOS 23 software. The results of the present study showed that the questionnaire for the study of distributed leadership has a four-factor structure including: school improvement and teacher professional development, trust-based interaction, democracy, and comprehensive support, which are measured using 25 statements. This questionnaire was named "Distributed Leadership Scale of Secondary Schools".