APA's header logo
Psychological Trauma: Theory, Research, Practice, and Policy
Psychological Trauma: Theory, Research, Practice, and Policy
Editor: Kathleen Kendall-Tackett  
Supplemental Material for
Posttraumatic Stress Symptoms in Australian Parents of Autistic Children: Factor Structure of the International Trauma Questionnaire (ITQ) and the Posttraumatic Stress Disorder Checklist for the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (PCL-5)
Kylie Hinde ORCID Icon, Gert Martin Hald, David Hallford, John Gilmour, Mikkel Arendt, Silvia Pavan, and David Austin
Psychological Trauma: Theory, Research, Practice, and Policy, Vol. 18, No. 5, pp. 1022–1035


This content was submitted by the author as supplemental material for an article published in APA PsycArticles. The content is presented as the author submitted it. APA assumes no liability for errors or omissions and makes no warranties of any kind. APA assumes no responsibility for any reader’s use of the materials. All questions regarding the supplemental material should be directed to the corresponding author of the published article.
This article is published under a CC BY license. The reader is expected to respect the intellectual property of the author and to provide appropriate credit if the content is reused.
© 2026 American Psychological Association. All rights, including for text and data mining, AI training, and similar technologies, are reserved.