What does an online adult ADHD quiz leave out?
This page does not tell you whether your score matters. It lists what a professional looks for and no tick-box question can see, drawing on a published guideline you can open yourself. Knowing what a quiz misses helps you prepare for an appointment.
1What does an adult assessment look for that a quiz cannot see?
It looks for six things, and only one of them resembles what a quiz asks. NICE guideline NG87, published in the UK in 2018, calls for a full assessment of medical and social life: developmental and psychiatric history, mental state on the day, and reports from people who observe the person.
| What the assessment asks for | What an online quiz sees |
|---|---|
| Difficulties that began in childhood and have persisted | Nothing, unless the item asks you to look back. It describes the present. |
| Difficulties in at least two important settings: social life, family, education, work | A global impression. It does not separate work from home. |
| At least moderate impairment in psychological, social, educational or work life | How often something happens, rarely what it costs you. |
| Developmental and psychiatric history | Nothing. It asks no questions about your history. |
| Reports from people who observe the person | Your view alone, at the moment you answer. |
| A check on what else could explain the difficulties, while allowing for more than one cause | Nothing. The same answers turn up in other situations. |
2Why does childhood matter for an adult?
Because NICE asks that the difficulties began in childhood and have lasted since. Recommendation 1.2.10 covers adults with no known history: referral to a specialist is advised when typical features began in childhood, have persisted, are not explained by another psychiatric condition and cause moderate or severe impairment.
A quiz cannot check that. Someone burnt out for six months and someone who has been compensating since primary school can give similar answers. Only history tells them apart, and that is what the professional reconstructs.
3What does "in several areas of life" mean?
NICE asks that symptoms occur often in at least two important settings, listed as social, family, educational or work. Distraction that exists only at the office, or only with family, does not meet that condition.
A quiz usually asks something like "do you struggle to finish what you start?". The answer blends every setting. To prepare for an appointment, pull them apart: note where the difficulty appears, where it vanishes, and what changes between the two.
4Why is a rating scale never enough on its own?
NICE says so: a conclusion should not rest solely on a rating scale or observational data (recommendation 1.3.2). Scales such as the Conners scales stay useful as added tools. The short World Health Organization scale published in 2017 by Ustun and colleagues has six items. It is built to sort people, not to settle a case.
The European consensus by Kooij and colleagues (2019) points the same way. Its abstract says that tools to identify the condition exist, and that it is still under-recognised and under-treated in many European countries. Both ideas hold together: a short tool helps start the conversation, it does not replace it.
5What does our own questionnaire see, and not see?
The Brain Quiz adult ADHD questionnaire has 28 items across four axes: sustained attention, organisation and planning, restlessness and impulsivity, and emotional regulation. It describes how you function now. It asks nothing about childhood, does not separate settings and is not calibrated on a population.
6How do you prepare an appointment with these gaps in mind?
- Look for traces of childhood: school reports, teachers' remarks, what your parents remember. A dated trace weighs more than a vague memory.
- Separate the settings: work, family, social life, studies. For each, note two concrete situations.
- Measure the impact: a missed deadline, a costly slip, a strained relationship. A fact beats an adjective.
- Ask someone who has known you for years what they observe, and offer to bring them along or have them write a few lines.
- Tell the professional what else might explain your difficulties: sleep, anxiety, exhaustion. Do not keep it to yourself.
The adult ADHD assessment pathway guide describes how this works in France. The preparation above is useful in any country.
What this guide does not say
This page describes what an adult assessment looks for according to a UK guideline, and what an online quiz cannot see. It does not cover treatment or how care is organised in any country, and it replaces no medical advice. NICE is a UK body: its recommendations do not apply elsewhere. Of the 2019 European consensus, only the abstract was read.
Frequently asked questions
- Can an online ADHD quiz tell whether my difficulties go back to childhood?
- No, unless it asks, and most short quizzes do not. The UK's NICE guideline NG87 nevertheless asks that the difficulties began in childhood and persisted. Looking for traces of that period, such as old school reports, is work only you can start before an appointment.
- Why do professionals ask for the view of someone close to me?
- Because NICE includes reports from people who observe the person in a full assessment. We see ourselves badly: some behaviours go unnoticed from the inside, others are exaggerated. A quiz has only your view of the moment, while someone close can describe years.
- Can a scale like the WHO one be enough?
- No. NICE says a conclusion should not rest solely on a rating scale. The short WHO scale published in 2017 has six items and sorts a population, it does not decide for one person. It opens the conversation with a professional, who looks at history, settings and impact.
- What if I cannot find any trace of my childhood?
- Tell the professional, and do not treat it as a dead end. Memories, accounts from relatives and a school life described from memory are also collected. Do not try to build a story to fit your difficulties: the assessment is there to understand what is happening, not to confirm a guess.
Sources
- National Institute for Health and Care Excellence (NICE) (2018). Attention deficit hyperactivity disorder: diagnosis and management (NG87). NICE, publié le 14 mars 2018, dernière mise à jour le 13 septembre 2019. https://www.nice.org.uk/guidance/ng87/chapter/Recommendations (opens in a new tab)Royaume-Uni. Recommandations 1.2.10 et 1.3.1 à 1.3.4, reprises dans cette page. Consulte le 2026-10-09.
- Kooij, J. J. S., Bijlenga, D., Salerno, L., Jaeschke, R., Bitter, I., Balázs, J., Thome, J., Dom, G., et al. (2019). Updated European Consensus Statement on diagnosis and treatment of adult ADHD. European Psychiatry, 56, 14-34. DOI 10.1016/j.eurpsy.2018.11.001 (opens in a new tab)Seul le résumé de l'article a été lu pour cette page. Consulte le 2026-10-09.
- Ustun, B., Adler, L. A., Rudin, C., Faraone, S. V., Spencer, T. J., Berglund, P., Gruber, M. J., & Kessler, R. C. (2017). The World Health Organization Adult Attention-Deficit/Hyperactivity Disorder Self-Report Screening Scale for DSM-5. JAMA Psychiatry, 74(5), 520-526. DOI 10.1001/jamapsychiatry.2017.0298 (opens in a new tab)
Related questionnaires
These questionnaires cover the subject of this guide. Each one states where its statements come from and how it is scored.
ADHD test for adults
Free online ADHD test for adults, no sign-up: 28 items, 4 reading axes, an immediate result, with the method and the sources published.
ADHD test for women
Free online ADHD test for women, no sign-up: 24 items, 4 reading axes, an immediate result, with the method and the sources published.