![]() ![]() ![]() 11, 12 Affect dysregulation and altered schemas of the self and relationships have also been proposed as the core features of cPTSD in the forthcoming World Health Organization International Classification of Diseases, 11 th Edition ( ICD-11). The SRRS also does not assess complex PTSD (cPTSD) symptoms of affect or somatic dysregulation, dissociation, and altered fundamental schemas of self, relationships, and meaning, 8– 10 that are included in the DSM-5 reformulation of PTSD. 7 The SRRS addresses intrusive re-experiencing and avoidance/numbing symptoms but it does not rate PTSD hyperarousal symptoms. 6Īlthough several validated PTSD diagnostic interviews and self-report questionnaires are available to clinicians and researchers, 2 only one psychometrically validated clinician rating instrument for PTSD symptoms has been reported: the Stress Response Rating Scale (SRRS). Clinician ratings and clients’ self-reports of change while in psychotherapy for PTSD have been found to be highly interrelated, although clinician ratings appear to be a more conservative assessment (ie, yielding lesser absolute levels of change). 2 In addition to self-report interview and questionnaire measures, clinician rated measures offer a valuable collateral perspective and are widely used to assess progress and outcome clinically and in mental health treatment research (eg, Clinical Global Impressions scale, 3 Positive and Negative Syndrome Scale 4, 5). Implications for clinical practice and research to refine the SOTS are discussed.Īdvances in the treatment and science of posttraumatic stress disorder (PTSD) 1 require outcome measures that are user friendly, time efficient, comprehensive in covering a range of trauma-related symptoms, sensitive to change, and suitable for both clinical and research use. Interviewers and interviewees described the interview as efficient, informative, and well tolerated. Evidence of convergent, discriminant, criterion, and construct validity was found for the SOTS composite PTSD scores, although potential limitations to validity that require further research and refinement of the measure were identified for the SOTS total and DSM-IV cPTSD scores and the hyperarousal, affect dysregulation, and dissociation items. SOTS composite severity scores for DSM-IV PTSD and complex PTSD (cPTSD), DSM-5 PTSD, and PTSD dissociative sub-type, and total traumatic stress symptoms generally had acceptable internal consistency and inter-rater reliability. Thirty participants completed self-report measures of posttraumatic stress symptoms, depression, dissociation, self-esteem, and affect dysregulation the participants also participated separately in a semi-structured interview based on the SOTS conducted by two trained interviewers. This pilot study evaluated its use and psychometric properties in an outpatient setting that provides treatment to survivors of chronic interpersonal trauma. The Symptoms of Trauma Scale (SOTS) is a 12-item, interview-based, clinician rating measure that assesses the severity of a range of trauma-related symptoms.
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