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Introduction: Obsessive-compulsive disorder is one of the most common psychological disorders that has a great impact on the performance and quality of life of patients. The study was conducted to predict adjustment based on tolerance for ambiguity and perfectionism among patients with obsessivecompulsive disorder. Method: The research method was correlation with forecasting approach and regression design. From the statistical population of patients with obsessivecompulsive disorder referring to counseling centers in District 4 of Tehran, 150 people were selected as a sample using a multi-stage random method. Research tools included adaptability (Spanier, 1976), ambiguity intolerance (Freiston et al., 1994), perfectionism (Terry Short & et al., 1995). The research data were analyzed using SPSS and Pearson correlation coefficient and multiple regression. Results: The results of correlation coefficient showed that marital adjustment with ambiguity tolerance (r = -0.35, p = 0.001) and perfectionism (r = 0.35, p = 0.001) had significant correlation. have. The results of regression also showed that perfectionism with beta coefficient of 0.31 can predict the marital adjustment of obsessive patients more than the intolerance of ambiguity with beta multiplication of 0.22 and also 17% variance related to marital adjustment, based on tolerance. Ambiguity and perfectionism are explained. Conclusion: adjustment of patients with obsessive-compulsive disorder can be predicted using intolerance and ambiguity. Therefore, by improving the intolerance of ambiguity and perfectionism of obsessive-compulsive patients, their compatibility can be strengthened. [ABSTRACT FROM AUTHOR]

Introduction: MS is one of the most common chronic diseases of the central nervous that affects all aspects of a person's life and consequently increases the anxiety of death. Therefore, the present study aimed to investigate the mediating role of life expectancy in the relationship between psychological hardiness and the power to tolerate ambiguity with anxiety of death in patients with MS. Methods: This research was a descriptive correlational study. The statistical population consisted of all patients with MS in Zanjan province, out of which 135 persion were selected by convenience sampling. Four tools including death anxiety instruments, Ahwaz hardiness questionnaire(AHI), Schneider's hope questionnaire and Mclean et al tolerance of ambiguity scale were implemented and data were analyzed using the path analysis method with the help of smartpls software. Results: The results showed that the death anxiety coefficient was negative and significant with all three variables of psychological hardiness (-0.38), power to tolerate ambiguity (-0.36) and life expectancy (-0.45). Path coefficients of psychological hardiness (0.26) and tolerance of ambiguity (0.40) were positive and significant with life expectancy. Then the research hypotheses were confirmed. Conclusion: The results of this study can be used in the improvement and therapeutic counseling of MS patients. Intervention with psychological hardiness and the power to tolerate ambiguity of this patients can increase their life expectancy and reduce anxiety of death. [ABSTRACT FROM AUTHOR]