The AQ-10 adult autism screener

When people search for a 10 question autism test for adults, the AQ-10 is usually what they find. It is short enough to complete in a couple of minutes in a doctor's waiting room, and it carries the weight of a national guideline. That combination makes it widely used, and also widely misunderstood.

Key facts

Full name

Autism Spectrum Quotient, 10 items (AQ-10), adult version

Authors

Allison C, Auyeung B, Baron-Cohen S

Published

2012, Journal of the American Academy of Child and Adolescent Psychiatry

Items

10 statements chosen from the 50-item AQ

Answer format

Definitely agree, slightly agree, slightly disagree or definitely disagree

Score range

0 to 10, with 6 or more as the referral threshold

Purpose

A "red flag" tool to support referral decisions

How it was built

The authors started from the full adult, adolescent and child AQ questionnaires and picked the 10 statements in each that best separated autistic people from controls. For adults, the autistic group came from the Cambridge research volunteer database and the controls came from several other sources. Every participant had completed the full-length questionnaire.

What NICE says

The last part matters. Under NICE guidance a low AQ-10 score is not supposed to block a referral if a clinician has other reasons to suspect autism. The screener supports judgment; it does not replace it.

How it performs with adults in real clinics

Original studies compared clearly autistic volunteers with clearly non-autistic controls. Clinics see people who are already unsure and often have other conditions, which makes any short questionnaire less precise. That is no reason to ignore the AQ-10. It is a reason to treat its result as one piece of information.

AQ-10 versus the full AQ

The AQ-10 is not simply a quicker way to get the same number. It gives a total from 0 to 10 with its own threshold, while the full AQ gives 0 to 50 and describes five areas of traits. The short form trades detail for speed. In a busy appointment that trade makes sense. For someone reflecting on their own traits at home, ten statements cover very little ground, and many people find they want to explain each answer.

Women and the AQ-10

Even with a balanced total score, short questionnaires can still miss people whose traits are mostly internal or well hidden. Many late-identified women describe exactly that pattern, which is one reason clinicians are encouraged to listen to history rather than rely on a number.

If you are asked to complete it

A doctor may hand you the AQ-10 on paper or read it aloud. Answer quickly and honestly, then use the rest of the appointment to describe what the form could not ask: sensory experiences, how you recover after social time, and patterns from school years.

Who may use it, and where to find it

The official AQ-10 form and its scoring instructions are on the University of Cambridge ARC website. The group makes it free for non-profit use, including research and education. Commercial users must request a license through Mapi Research Trust. SpectrumFox has not licensed it, so we explain it here and link to the official page instead of hosting a copy.