Identifying the dimensions, components and constructive indicators of the professional development model of technical and professional vocational school managersAnd evaluate it from the point of view of experts and users(Case study, education of Tehran cities)

The present study aims to provide this model at the level of directors of technical and vocational colleges. The research has been carried out in an exploratory mixed method with a data-driven approach of self-emergence. The statistical population of the present study in the qualitative dimension, all experts in the field of education and in the quantitative dimension, the directors of technical and vocational colleges in the cities of Tehran province (224 people). Sampling method in qualitative dimension is the conscious method of targeted snowball type and in quantitative part is stratified random sampling method. The sample size in the interview with 18 experts reached theoretical saturation and in a quantitative dimension based on Morgan's formula, the number (141) was determined. The assessment tool was semi-structured in the qualitative dimension of the interview formWhich was approved by experts after the completion of open, pivotal and selective coding steps. The validity of the questionnaire was measured in quantitative part through Cronbach's alpha, the total alpha was equal to 0.98. Data analysis in qualitative dimension, with the help of open, axial and selective coding and in the quantitative part in the form of data description and analysis. done.

Knowledge, Attitude, Intellectual and Mental Abilities, Managerial Abilities, Functional Management Skills, Interpersonal Skills, Management Excellence and Improvement Skills, Transformational Leadership Skills, Professional and Job Skills, Psychological Characteristics Identified and confirmed cognition and personality as the 10 dimensions of the professional development model with 39 components and 320 indicators.