Investigating the Role of Clear Personality Traits, Spiritual Strength, and Basic Psychological Needs in Predicting Happiness among Students at Islamic Azad University of Zanjan, 1403

Background and Purpose: Happiness is considered one of the key aspects of human life in the contemporary world. The presentstudy aimed to assess the role of clear personality traits, spiritual strength, and basic psychological needs in predicting happiness of students at Islamic Azad University of Zanjan. Materials and Methods: The present study was conducted based on aa descriptive correlational design The statistical population consisted of all students at Zanjan Azad University. The sample size of the study was 250 subjects, who were selected from all faculties of the university using the multi-stage cluster sampling. The tools used included Johnson's (2018) Clear Personality Traits Questionnaire, Van Tongeren et al.'s (2011) Spiritual Strength, Genie's General Basic Psychological Needs (2003), and Argyle et al.'s (1989) Happiness Questionnaire. Data analysis was performed using Pearson correlation and multiple regression. Results: The results of the study indicated that all three predictor variables of the study were able to significantly predict the desired criterion variable. Clear personality traits explained 16%, spiritual strength explained 15%, and basic psychological needs explained 6% of variance in the happiness variable. Conclusion: Taking these three variables into account, effective measures can be taken to enhance students' happiness.