Psychological resilience, has a crucial role in posttraumatic growth (PTG). After a traumatic experiences, individuals with higher resilience are more likely to adapt. In this context, social capital and coping strategies are significant resources that may strengthen or explain the link between resilience and PTG. Examining these mechanisms is important not only for advancing theory but also for developing effective interventions and ensuring efficient use of resources in trauma-focused practices. This study aims to investigate the mediating and/or moderating roles of coping skills and social capital in the relationship between psychological resilience and PTG. The main hypotheses are: H1. Psychological resilience is related to post-traumatic growth. H2. Social capital has a role in the relationship between psychological resilience and post-traumatic growth. H3. Coping skills have a role in the relationship between psychological resilience and post-traumatic growth. Participants will be selected through purposive sampling among individuals who have experienced specific traumatic events (e.g., the February 6, 2023 earthquake)", with access provided via collaborating institutions. Based on power analysis using G*Power, the study aims to recruit at least 300 participants. Participation will be voluntary, and data will be collected through paper-and-pencil surveys. The instruments include a personal information form, the Adult Resilience Scale, the Posttraumatic Growth Inventory, the Coping Attitudes Assessment Scale, and the Social Capital Scale. Data collection is scheduled between October-November 2025. Descriptive statistics and correlation analyses will be conducted using SPSS, while mediation and moderation analyses will be performed through SEM in AMOS. It is expected that the findings will support the hypotheses and provide empirical evidence for the role of coping skills and social capital in PTG. This study contributes to the limited literature on social capital in trauma-related outcomes and offers practical implications for the design of intervention programs that promote recovery and growth after trauma.