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The aim of this study was to present an exploratory model to express the relationships between a set of factors including personality factors, attachment styles, control source, coping strategies and perceived stress and disease perception in patients with hemophilia, emphasizing the mediating role of social exchange styles. The present study is a correlational study based on path analysis. In order to conduct the study, 450 patients from the Hemophilia Support Centre in Isfahan were randomly selected. The instruments used in this study included the Neo Five Personality Factor Questionnaire, the Hazen and Shaver Attachment Styles Scale, the Rutter Control Scale, the Andler and Parker Stress Coping Questionnaire, the Cohen Perceived Stress Questionnaire, the Disease Perception Questionnaire and the Libman Social Learning Exchange Questionnaire. The results indicated a linear relationship between a group of factors such as neurotic personality traits, responsibility, extraversion and flexibility, two coping styles (emotion-oriented, problem-oriented and avoidance) and a secure attachment style and disease perception. The results also showed personality traits (neuroticism, extraversion, pleasantness, flexibility and responsibility), coping styles (avoidance and emotion-oriented), attachment style (safe and unsafe ambivalent) and source of control are related to the perception of disease through the mediating role of social exchange style fairness. Therefore, in order to provide measures to improve the perception of patients with hemophilia, it is necessary to pay special attention to personality traits, coping styles, attachment style, source of control and perceived stress in addition to fair social exchange styles.

The aim of this study was to predict mental health based on social support and personality traits. The method of this research is descriptive-correlational. The statistical population was all members of Red Crescent Society of seven provinces of Iran (East Azerbaijan, West Azerbaijan, Ardabil, Zanjan, Gilan, Kerman and Hormozgan) that 218 of them were selected the census method as the research sample. Measurement tools include, Social Support Questionnaire, Symptom Check List-25 and Neo Five Factor Inventory. Then data was analyzed by Pearson correlation and Stepwise regression. The results showed that there was a significant negative relationship between social support and mental health. There was also a significant positive relationship between neurotic personality dimension and mental health (high scores in the mental health questionnaire indicate low mental health). The results of stepwise regression analysis also showed that social support and neurotic personality dimension were able to explain and predict 20% of the variance of the mental health. Based on the research results, it can be said that social support and personality traits can play a significant role in promoting mental health in individuals and the need to pay attention to these important variables in mental health promotion programs should be considered.

Nowadays, the internet is one of the essential parts of student life, and its addiction is causing many problems. This study aimed to model structural equations of borderline and psychopathic personality traits with internet addiction and mediating distress intolerance. Participants included male and female students of Tabriz University. Two hundred sixty students were selected by cluster sampling and completed the Borderline Personality and Levinson's Psychopathic Traits questionnaire, Young's Internet Addiction Test, and Simon and Gaher's distress tolerance Scale. Finally, 240 questionnaires were analyzed by structural equation modeling. The results showed that borderline and psychopathic personality traits directly affected internet addiction, and distress tolerance was a significant mediator of these relationships. It is suggested to consider the role of distress tolerance in people with borderline and psychopathic traits in the study and intervention of internet addiction. mediator a negotiator who acts as a link between parties More (Definitions, Synonyms, Translation)

The Personality Pathology Dimensions Assessment Questionnaire (DAPP-BQ) is a self-report tool used to assess the characteristics of personality disorder. However, its diagnostic validity has not been investigated in Iranian samples. The main purpose of this study was to investigate the diagnostic validity of the Personality Pathology Dimensions Questionnaire (DAPP-BQ) in couples using sensitivity coefficient and clarity-orientation. The method of this research, which is in the field of psychometric designs, is a subset of methodological studies. The statistical population of the study consisted of all couples referred to counseling centers in Tehran, of which 240 couples (120 as clinical group and 120 as normative group) were selected using available purposive sampling. In the present study, in order to investigate the diagnostic validity of the mentioned instrument with an emphasis on the cut-off point method, sensitivity coefficient and clarity orientation have been used. The findings showed that the scales of "intimacy disorder" and "low social relationships" from the dimension of "social avoidance", "conduct disorder", "narcissism" and "rejection" from the dimension of "antisocial behavior", "cognitive disorder", "insecure dependence" and "stubbornness and disobedience" from the dimension of "emotional disorder" and "impulsivity" from the dimension of "impulsive behavior" using both methods have diagnostic validity and can distinguish the clinical group from the normative group.