Validation of the shortened scale of borderline personality disorder symptoms lists in Iranian society and using this questionnaire in the diagnosis and severity of symptoms of borderline personality disorder

Introduction: Diagnosis of borderline personality disorder and its severity has always been one of the problems of clinical psychologists and psychiatrists, which is a significant problem for patients with this disorder due to its prevalence and treatment measures. Aim: This study aims to standardize and normalize "Shortened Scale of Borderline Personality Disorder Symptoms List" for the Iranian community to use diagnostic for the severity of borderline personality disorder symptoms and determine its reliability and validity. Method: The design of the present study was content analysis. The statistical population consisted of 214 students of the academic year 2018-2019 of the University of Kurdistan and 25 patients with borderline personality disorder hospitalized from December to February 2018 in Quds Psychiatric Hospital by available sampling method, who responded to a Shortened Scale of Borderline Personality Disorder Symptoms List (Bohas et al., 2007). Data analysis was performed using SPSS-24 software and Cronbach's alpha calculation, confirmatory and exploratory factor analysis. Results: In the exploratory factor analysis, three factors were extracted that in total, these three factors were able to explain 62% of the variance of 23 questions of this questionnaire. The internal consistency of the scale category was also obtained with Cronbach's 0.96 and with the retest method of 0.73, which is desirable. The Varimax wheel matrix showed that all questions could be used. Conclusion: The abbreviated scale of borderline personality disorder symptoms list can be used as a helpful tool in clinical and non-clinical research to diagnose and severity of borderline personality disorder symptoms in Iranian society.