ptsd symptom scale – self-report version ptsd symptom scale – self-report version ptsd symptom scale – self-report version (pss-sr) is a 17-item self-reported questionnaire to assess symptoms of posttraumatic stress disorder. each of the 17 items describe ptsd symptoms which respondents rate in terms of their frequency or severity using a likert-type scale ranging from 0 (not at all or only one time) to 3 (almost always or five or more times per week). ratings on items are summed to create three subscales – re-experiencing, avoidance coping, and psychological hyperarousal (such as "jumpiness") – as well as a total score (that ranges from 0 to 51). all items of the pss-sr should be answered, and assessment is done by total score. the total score higher than 13 indicates on likelihood of ptsd. ptsd symptom scale – self-report versionpurposeassess symptoms of posttraumatic stress disorder