narges Tankamani - Ph.D. Student, Department of Psychology, Payame Noor University, tehran,Iran.
Majid Saffarinia - Professor, Department of Psychology, Payame Noor University, Tehran, Iran
Sepideh tamrchi - Master of Clinical Psychology, Khatam University,Tehran, Iran

Objective: Health psychology focuses on health promotion and disease prevention. One of the factors that is relatedto the promotion of mental health is the sense of humor which can be influenced by the components of psychologicalcapital. This study aims to predict the psychological capital dimensions based on the humor styles among the medicalstudents of Tarbiat Modares University.Method: This study is descriptive correlational and the statistical population consisted of all medical students ofTarbiat Modarres University. The participants of the study were ۱۲۰ who were selected through volunteer sampling.Data were collected by the Luthans Psychological Capital Inventory and Martin’s Humor Style Scale. Data wereanalyzed through Pearson’s correlation coefficient and multiple regression analysis.Results: Results showed that self-efficacy and hopefulness have a positive significant relationship with adaptivehumor styles, but the relationship between self-efficacy and hopefulness with maladaptive humor styles was negative.Also, there was no significant relationship between resilience and all four humor styles.Conclusion: By strengthening adaptive humor styles, it is possible to increase the psychological capital of students tohelp their mental health.

Hopefulness, Self-efficacy, Resilience, Optimism, humor styles