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ADHD tests & diagnosis

Free ADHD Test: A Practical Guide for Australians

Last updated 24 October 2026 · 8 min read · By Sarah M., Support Coordinator
In short

A free ADHD test can help you reflect on your experiences, but it cannot diagnose ADHD. ReachOut Australia states that ADHD can’t be diagnosed online or through an ADHD quiz, and the Australian ADHD Guideline says a thorough assessment by an appropriately trained and credentialled clinician is needed to diagnose ADHD (Guideline Factsheet for Clinicians).

This guide explains what free screening can and cannot do, what a real assessment involves, and where to go next. It is part of our wider guide to getting an ADHD diagnosis.

Key points

  • Online quizzes, including any free ADHD test, are for reflection only, and only a qualified professional can assess this.
  • A diagnosis needs a thorough assessment by an appropriately trained and credentialled clinician, and rating scales should not be used alone.
  • AADPA’s diagnosis checklist requires evidence of symptoms before age 12, symptoms present for at least 6 months, and impairment in at least two settings.
  • Talk to your GP about your concerns and the next steps for an assessment.
Free ADHD test at a glance
What it isA short questionnaire or checklist that helps you think about whether to seek an assessment
Can it diagnose?No. ADHD can’t be diagnosed online or through a quiz (ReachOut Australia, page updated 28 July 2026)
Who can assess ADHDAn appropriately trained and credentialled clinician; children are usually diagnosed by a paediatrician or a child psychiatrist or psychologist (healthdirect)
How common ADHD isAround 6-8% of children and 3-5% of adults in Australia
Free advicehealthdirect on 1800 022 222, 24 hours a day; ADHD Foundation on 1300 39 39 19
Official sourceAustralian ADHD Guideline (AADPA)

What a free ADHD test can and cannot tell you

It is a screening tool, not a diagnosis. It can help you think about your experiences and explain your concerns to a doctor.

A free test canA free test cannot
Help you notice patterns, such as trouble starting tasks or staying focusedConfirm that you have ADHD or that you do not
Give you words to use with your GPRule out other conditions, such as anxiety, depression or sleep problems
Prompt you to ask for a proper assessmentReplace a clinical interview or reports from home, school or work
Help you list the situations you find hardestTell you which treatment or support is right for you

Free ADHD test online: how to use one safely

Many people start with an online quiz. These steps keep it useful and safe.

  1. Treat the result as a prompt, not an answer. A high or low score does not confirm or rule out ADHD, and only a qualified professional can assess this.
  2. Protect your privacy. Read what a site does with your answers, and avoid sharing more personal information than you need.
  3. Check who wrote it. Look for tools based on recognised questionnaires and written by health organisations rather than sellers of products.
  4. Print or save your answers. Take them to your GP, and add examples from home, school or work.
  5. Book an appointment. If the questions sound like you, make a GP visit the next step.
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Free ADHD test with free results, no email and no sign up

Many people want a quick, completely free quiz with results on the page and no email or sign-up. That wish for privacy makes sense, and these checks help.

  • Choose a test that shows results on the page without asking for an email address, if privacy matters to you.
  • Be cautious if a site gives a score but asks for payment to see the result or sells supplements afterwards.
  • Remember that a short quiz has few questions, so it captures only part of the picture.
  • Use a private browser window if you share a device, and close the page when you finish.
  • Whatever the result, it does not replace a clinical assessment.

Free ADHD screening for adults

The Australian ADHD Guideline names adult screening tools, including the WHO Adult ADHD Self-Report Scale (ASRS), Conners’ Adult ADHD Rating Scale – Short and the Wender Utah Rating Scale – Short, and says positive screening should be followed by further assessment (AADPA).

How does ADHD testing work in Australia?

ADHD testing is a clinical assessment, and our guide on how ADHD is tested covers it in detail. This table shows what clinicians look at.

What clinicians checkWhat the guidelines say
Number of symptomsUnder DSM-5 there are 9 inattentive and 9 hyperactive-impulsive symptoms; children need 6 of the 9, and people over 17 need only 5 (AADPA)
TimingEvidence of symptoms before age 12 years, and symptoms present for at least 6 months
SettingsSymptoms causing impairment in at least two settings, such as home, school, work or community (AADPA checklist)
InterviewA detailed clinical interview may take between 2 and 3 hours (AADPA)
Extra testsDirect observation, neuropsychological testing, neuroimaging and EEG did not increase the accuracy of diagnosis

Children are usually diagnosed by a paediatrician or a child psychiatrist or psychologist, according to healthdirect. Our guide to ADHD tests for kids explains the process for families.

Quiz, GP visit or full assessment: which step does what

Each step answers a different question, so it helps to know what you are getting.

OptionWhat you getLimits
Online quizA quick reflection on your experiencesCannot diagnose, and quality varies
GP appointmentA conversation, possible screening scale and a referralA GP visit is not a full assessment; ask your GP what they can do and who they may refer you to
Full assessmentA thorough clinical assessment and, if appropriate, a diagnosis and planCosts and waiting times vary, so check our ADHD assessment cost guide

When to talk to a GP or specialist

Book a visit if your questionnaire results or daily life raise questions.

  • Difficulty with attention, organisation or impulsive actions has lasted for months and affects work, study, relationships or home life.
  • Your child’s teacher or carers have raised concerns about attention, activity or behaviour at school or in care.
  • You notice low mood or anxiety alongside attention difficulties; healthdirect says anxiety, depression, learning difficulties and autism often occur alongside ADHD.
  • You want to ask about adult assessment but are unsure where to start.
  • You would like to speak to someone first: healthdirect is on 1800 022 222 (NURSE-ON-CALL in Victoria), and the ADHD Foundation is on 1300 39 39 19.

If someone is in immediate danger, call 000. If you or someone you know is in crisis, call Lifeline on 13 11 14.

Your next step

A quiz is only a starting point. While you wait for an assessment, practical help with routines, appointments and daily tasks can make life easier. At TQN Care, our support workers help NDIS participants with personal care, community access and help around the home. See our NDIS services to find out more.

SM
Sarah M., Support CoordinatorTQN Care is a registered NDIS provider supporting people across Sydney, Melbourne and surrounding areas (NSW & VIC).
Common questions

FAQs about free ADHD tests

Can a free ADHD test online tell me if I have ADHD? +

No. ReachOut Australia states that ADHD can’t be diagnosed online or through a quiz. A test can prompt you to seek help, but a diagnosis needs a thorough assessment by an appropriately trained and credentialled clinician. Your GP can talk through the next steps with you.

Is there a free ADHD screening for adults in Australia? +

The Australian ADHD Guideline names adult screening tools such as the WHO Adult ADHD Self-Report Scale (ASRS). A positive screen should be followed by further assessment. Ask your GP about screening and referral, and keep any school reports from childhood.

Are there ADHD tests with no email or sign up? +

Some websites show results without an email address or account. Check what the site does with your answers, and avoid any that charge for results or push products. Whatever the outcome, take your answers to a GP rather than relying on the site.

What should I do after a quick ADHD test? +

Save your answers and note real examples from home, school or work. Book a GP appointment and ask about next steps. If you want to talk first, call healthdirect on 1800 022 222 or the ADHD Foundation on 1300 39 39 19.

References

Sources

  1. ADHD in teenagers — ReachOut Australia
  2. ADHD factsheet for GPs — AADPA
  3. Screening and identification — AADPA
  4. ADHD diagnosis (Guideline section 2.1) — AADPA
  5. ADHD Diagnosis Checklist (PDF) — AADPA
  6. Attention deficit hyperactivity disorder (ADHD) — healthdirect Australia
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