International Trauma Questionnaire.

ITQ

What it measures

ICD-11 PTSD (re-experiencing, avoidance, sense of current threat) and Complex PTSD (the PTSD clusters plus disturbances in self-organization: affect dysregulation, negative self-concept, disturbed relationships)

Length and format

18 (12 symptom items + functional-impairment items). 5-point (0-4, not at all to extremely); diagnostic algorithm for PTSD vs CPTSD (self-report questionnaire)

Language versions

30+ languages incl. ES, DE, ZH, AR, PT, EL and many more; explicitly developed for cross-cultural ICD-11 use

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Cloitre, M., Shevlin, M., Brewin, C. R., et al. (2018). The International Trauma Questionnaire: development of a self-report measure of ICD-11 PTSD and complex PTSD. Acta Psychiatrica Scandinavica, 138(6), 536-546.