The Trauma Screening Questionnaire (TSQ)  is a 10-item screening tool for PTSD which has shown promising results in preliminary investigations. Respondents endorsing at least six items should be assessed for the presence of PTSD . The TSQ has been shown to be superior to a range of other PTSD screening measures . At present, the TSQ has not been validated among individuals with AOD use disorders. The scale is included in Appendix N.