Modeling the Mediating Role of Psychological Vitality in the Relationship between Social Support and Relationship Survival After Experiencing Marital Infidelity

Aim: The purpose of this study was to model the mediating role of psychological vitality in the relationship between social support and relationship persistence after marital infidelity.Method: The statistical population consisted of individuals who had experienced marital infidelity at least once and continued their shared life for at least six months thereafter. A sample of ۲۰۰ individuals (۱۰۲ women and ۹۸ men) was selected using a convenience sampling method. The research instruments included the Social Support Questionnaire (Zimet et al., ۱۹۸۸), the Subjective Vitality Scale (Ryan & Frederick, ۱۹۹۷), and the Investment Model Scale (Rusbult et al., ۱۹۹۸). Data were analyzed using structural equation modeling with a partial least squares (PLS-SEM) approach and Smart PLS-۳ software.Results: The results of the confirmatory factor analysis and structural equation modeling indicated that the research constructs were at an acceptable level in terms of reliability, convergent validity, and discriminant validity. Conclusion: The findings suggest that psychological vitality plays a key role in the process of adapting to and recovering from marital infidelity, mediating the protective effects of social support. This study emphasizes the importance of both internal resources (such as psychological vitality) and external resources (such as social support) in rebuilding relationships after a crisis like infidelity.

کلیدواژه ها:

social support ، Psychological Vitality ، Relationship Survival ، Marital Infidelity ، Investment Model