Site terms
Terms of Use
These terms set the boundaries for using this independent educational website and its adult autism screening content.
Last updated: August 21, 2026
Educational use, not medical care
RAADS-R Test is not a clinic, emergency service, diagnostic provider, or substitute for professional medical advice. The questionnaire and score are self-report screening information only. They cannot confirm or exclude autism, prescribe treatment, establish accommodations, or replace a developmental history and clinical assessment.
Questionnaire attribution and licence
The RAADS-R was developed by Riva Ariella Ritvo, Edward R. Ritvo, Donald Guthrie, Max J. Ritvo, and colleagues. The questionnaire and scoring instructions are reproduced from the 2011 international validation paper under theCreative Commons Attribution-NonCommercial 4.0 licence. The source isRitvo et al. (2011).
The licence permits attributed noncommercial sharing and adaptation. It does not grant commercial reuse. The questionnaire and individualized result pages are intended for personal, noncommercial educational use and must not carry advertising unless separate permission covering that use has been confirmed.
Responsible use
- Do not present a score as a diagnosis or use it to diagnose another person.
- Do not submit another person's answers without their informed permission.
- Do not scrape, resell, or republish the questionnaire for commercial use.
- Do not interfere with the site, introduce malicious code, or attempt unauthorized access.
Accuracy and availability
We aim to keep scoring, citations, and explanatory content accurate, but research and clinical guidance can change. Content is provided without a promise that it is complete, error-free, or suitable for a particular decision. Report corrections to[email protected].
Third-party services and links
External links are provided for context and do not imply endorsement. Third-party sites and services operate under their own terms and privacy policies. This site is not affiliated with or endorsed by the RAADS-R authors, their institutions, Google, or any linked health organization.