Compilation of the structural model of psychological well-being based on optimism, vitality and positive thinking with mediation of emotional regulation

 The purpose of this study was to develop a structural model of psychological well-being based on optimism, resilience and positive thinking through mediation of emotional regulation.  The research method was descriptive-correlational. The population under study was a graduate students of the Faculty of Humanities and Social Sciences of Islamic Azad University, Science and Research Branch of Tehran. 358 of them were selected by stratified random sampling, proportional to the number of undergraduate and postgraduate students. Participated in the research. Data analysis was performed using Pearson correlation coefficient and Structural Equation Modeling with Emo software. The results showed that the effect of optimism on emotional regulation and psychological well-being was positive and significant. All questions has factor loadings above 0.3 and are significant, while the p-value was less than 0.05. The effect of resilience on emotional regulation and psychological well-being is positive and significant. The positive effect of thinking on emotional regulation and psychological well-being is positive and significant. The effect of emotional regulation on psychological well-being is positive and significant. Optimism through emotional regulation has a positive and significant indirect effect on psychological well-being. Exposure through emotional regulation has a positive and significant indirect effect on psychological well-being. Positive thinking through emotional regulation has a positive and significant indirect effect on psychological well-being.  It can be concluded that variables of optimism, resilience, positive thinking and emotional regulation can predict psychological well-being and the tested model has a suitable fit.