Thesis:

Predicting mental vitality based on basic psychological needs and perceived emotional support with the mediating role of job satisfaction in secondary school principals in Sabzevar city.

The purpose of this research was to predict mental vitality based on basic psychological needs and perceived emotional support with the mediating role of job satisfaction in secondary school principals in Sabzevar city. The research method was descriptive-correlation type and the statistical population included all the principals of the first secondary schools of Sabzevar city (male and female), which were 92 people based on the statistics obtained from the education department of Sabzevar city. Due to the fact that the size of the research population is not large, the statistical sample was considered equal to the statistical population using the full number method. To collect the required data from the Basic Psychological Needs Questionnaire of Guardia, Desi and Ryan (2000), the Perceived Emotional Support Questionnaire of Zimmet, Dahlem, Zimmet and Farley (1988), the Mental Vitality Questionnaire of Ryan and Frederick (1997) and Minnesota Job Satisfaction ( 1967), was used. The collected data were analyzed by Pearson correlation method and structural equation modeling using SPSS20 and 24Amos software. The results of the research indicated the existence of a positive and significant relationship between basic psychological needs, perceived emotional support, mental vitality and job satisfaction. Also, the mediating role of job satisfaction in the relationship between basic psychological needs and perceived emotional support and mental vitality was confirmed.

Keywords: Key words: basic psychological needs, perceived emotional support, mental vitality, job satisfaction