Objective: The aim of this study was to investigate the mediatory role of spiritual well-being in relationship attachment styles and adaptive problem-solving styles. Methods: The research method was the correlation of the type structural equation modeling. The population included all Undergraduate students Poldokhtar Higher Education Center who were studying in the academic year 2020-2021. 230 students participated in this study online and respond to Problem Solving Style (PSS), Adult Attachment Scale (AAS), and Spiritual Well-Being Scale (SWBS). Data analysis was performed using the Path analysis statistical method and by the SPSS-22, and AMOS-24 software. Results: The results showed that secure and avoidant attachment indirectly mediate the students' adaptive problem-solving styles by mediating spiritual well-being; ambivalent attachment does not, directly and indirectly, affect students' adaptive problem-solving styles. Secure and avoidant attachments directly affect spiritual well-being. Spiritual well-being also has a direct effect on adaptive problem-solving. Conclusion: Overall, the results of this study showed that spiritual well-being mediates the relationship between secure and avoidance attachment style with adaptive problem-solving styles. The findings of this study emphasize the role of the relationship between caregivers and the child in the formation of spiritual well-being and adaptive problem-solving styles.
