Adult ADHD Symptom ScreenerBased on ASRS-v1.1 (WHO)
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Finding it hard to focus at times?
Based on the WHO-validated ASRS-v1.1 - developed with the World Health Organization and Harvard Medical School. Used by clinicians worldwide as the standard first-line adult ADHD screening tool. Takes 2 minutes.
This is a screening tool only - not a diagnostic instrument. It cannot diagnose ADHD. Only a qualified mental health or medical professional can diagnose ADHD after a full clinical evaluation. Use these results as a conversation-starter with your doctor.
99.5%
Specificity - rarely flags ADHD when it isn't there
68.7%
Sensitivity - correctly identifies adults with ADHD
WHO
Developed with World Health Organization & Harvard
— people have completed this screener
Your Screening Results
Here's what your responses show.
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Part A Score
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out of 24 · threshold: 14
Total Score
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out of 72
Inattention
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out of 36
Hyperactivity
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out of 36
Symptom Profile
Inattention
Hyperactivity / Impulsivity
Screener (Part A)
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Evidence-based · Instant download
Understanding Your ADHD Workbook
A 9-part guided workbook covering the neuroscience of ADHD, symptom mapping, life reflection exercises, assessment preparation, evidence-based strategies, a parent's guide, and a personal action plan. Written for adults exploring assessment, the newly diagnosed, and parents of children with ADHD.
9 structured parts, 30+ pages
Symptom inventory & reflection exercises
2-week symptom diary template
Parent's guide to supporting a child with ADHD
Evidence-based focus & organisation strategies
Workplace accommodation guide
Personal ADHD action plan
Interactive tick boxes - fill in digitally or print
What to do next
Share these results with your primary care doctor, psychiatrist, or psychologist - you can print or screenshot this page.
A proper ADHD diagnosis involves a clinical interview, behavioral history (often going back to childhood), and ruling out other conditions like anxiety, depression, or sleep disorders.
Ask your doctor for a referral to a psychiatrist or clinical psychologist who specialises in adult ADHD.
Keep a symptom diary for 2 weeks before your appointment - note specific moments when symptoms interfered with your life.
Remember: A high score does not mean you have ADHD, and a low score does not rule it out. Many conditions share symptoms with ADHD. This tool is based on the ASRS-v1.1, a validated screener, but screening is not diagnosis.
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