developing a causal model of family function based on psychological hardiness through persistent psychological symptoms post-covid-19 syndrome

Objective: family functioning is one of the structures that can have a significant impact on the psycho-social functioning of its members. for this reason, identifying the factors affecting it will greatly help to improve the family’s performance. the purpose of the current research was to develop a causal model of family function based on psychological hardiness and psychological capital through persistent psychological symptoms post-covid-19 syndrome.methods:  the statistical population of the present study was men and women of karaj and tehran provinces in 2023 who had at least one history of contracting covid-19. from the statistical population, using an available sampling method, 395 eligible individuals were selected to participate in the research and complete the research questionnaires. in this research,  kobasa’s psychological hardiness questionnaires, depression, anxiety, and stress scale (dass-21), corona disease anxiety scale (cdas), corona stress scale (css-18), suitable for the iranian lifestyle, and the questionnaire of family functioning were used. the collected data were analyzed using the structural equation analysis method in amos software (0.084).results: the findings of this research indicated that psychological hardiness directly (0.085) and indirectly through psychological symptoms after covid-19 (p<0.05) was able to significantly predict family functioning.conclusion: according to the findings of this research, it seems that strengthening personal psychological structures in the face of environmental stressors can improve people’s performance in dealing with these conditions.