How to Choose a Neurodivergent Test: Screening Tools Compared
Search for a "neurodivergent test" and you'll find everything from rigorous, research-based questionnaires to entertainment quizzes. This guide explains the most widely used, publicly documented screening tools — what each one measures, who it suits, and how to choose between them. Every tool here is a screener, not a diagnosis.
How to Evaluate a Screening Tool
Whatever tool you choose, these are the qualities worth checking before you trust the result.
Look for named sources like DSM-5, ASRS, AQ, RAADS-R or CAT-Q.
Be wary of any tool promising a definitive diagnosis or an exact accuracy percentage.
Multi-domain for a broad start; condition-specific for depth.
Good tools are designed to be completed calmly and thoughtfully.
Prefer tools that process responses locally and don't require an account.
Widely Used Screening Tools
These instruments are well known and publicly documented. We describe each one factually — we don't claim accuracy percentages for them, because real-world screening accuracy depends heavily on the population and how a tool is used.
Adult ADHD Self-Report Scale, developed with the World Health Organization (Kessler et al., 2005)
Autism Spectrum Quotient, short form (Allison, Auyeung & Baron-Cohen, 2012)
Ritvo Autism Asperger Diagnostic Scale–Revised (Ritvo et al., 2011)
Camouflaging Autistic Traits Questionnaire (Hull et al., 2019)
Green Flags and Red Flags
- •Names the published instruments it is based on
- •Describes itself as a screener, not a diagnosis
- •Explains how your data is handled
- •Encourages professional follow-up
- •Promises a definitive diagnosis or "100% accuracy"
- •Quotes precise accuracy numbers with no source
- •Requires payment to see your basic result
- •Is unclear about who made it or how it works
A Sensible Order to Use Them In
Start broad
Begin with a multi-domain screener to see which areas stand out for you.
Go deeper where it matters
If ADHD traits stand out, try the ASRS-v1.1; if autistic traits do, try the AQ-10 or RAADS-R; if you mask a lot, the CAT-Q.
Write down examples
Note concrete, real-life examples of the traits you scored highly on — these are far more useful to a clinician than a score alone.
Talk to a professional
Bring your notes to your GP or a specialist. Screening organises your thoughts; a clinician provides the assessment.
Frequently Asked Questions
There is no single 'best' tool — the right one depends on what you want to explore. For ADHD traits, the ASRS-v1.1 (developed with the World Health Organization) is a widely used short screener. For autistic traits, the AQ-10 and the longer RAADS-R are common. The CAT-Q focuses on masking and camouflaging. A combined screener (such as ours) is useful as a broad first step before choosing a more specific tool. None of these are diagnostic — they indicate patterns worth discussing with a qualified professional.
Look at five things: whether the tool is based on published, peer-reviewed instruments; whether it is transparent about being a screener rather than a diagnosis; whether it covers the areas you care about; whether it is accessible and free of pressure; and whether your privacy is protected. Start broad with a multi-domain screener, then follow up with a condition-specific tool if one area stands out.
No. Online screening tools — including every tool listed on this page and our own — identify patterns of traits. A diagnosis requires a qualified clinician who reviews your developmental history, conducts a structured interview, and considers other explanations. Screening results are best used as a starting point for that conversation.
Not sure where to start?
Our free combined screener covers ADHD, autism, and cross-cutting traits in one place — a calm, private first step before choosing a more specific tool.