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ADHD ASRS Adult Self-Screen — Free Online Tool

WHO-validated 6-item ADHD screening

WHO ASRS (Adult ADHD Self-Report Scale) Part A — 6 questions, validated screen. 4+ checked = high probability of ADHD, see clinician. NOT diagnostic.

Over the last 6 months — how often:

WHO Adult ADHD Self-Report Scale (ASRS-v1.1) Part A. Public domain. Validated screen.

1. How often do you have trouble wrapping up the final details of a project, once the challenging parts have been done?
2. How often do you have difficulty getting things in order when you have to do a task that requires organization?
3. How often do you have problems remembering appointments or obligations?
4. When you have a task that requires a lot of thought, how often do you avoid or delay getting started?
5. How often do you fidget or squirm with your hands or feet when you have to sit down for a long time?
6. How often do you feel overly active and compelled to do things, like you were driven by a motor?
Where to get evaluated: 🇺🇸 GP referral or chadd.org find-help · 🇩🇪 DE: ADHS-Spezialist via Krankenkassen-Liste oder adhs-deutschland.de · 🇬🇧 NHS GP referral or AADD-UK
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WHO ASRS Adult ADHD Self-Screening

The most validated 6-question screen for adult ADHD. Public domain WHO + Harvard collaboration. 4+ checks in shaded thresholds = strong indication of adult ADHD warranting clinical assessment.

How to use this tool

  1. 1

    6 questions

    WHO ASRS Part A — over last 6 months.

  2. 2

    Score 4+

    High probability — see clinician for full assessment.

  3. 3

    Resources

    How to find ADHD specialist.

Frequently Asked Questions

What is ASRS?
Adult ADHD Self-Report Scale, developed by WHO + Harvard. 6-question Part A is highly predictive screen — 4+ checks in shaded boxes = strong indication of adult ADHD warranting full evaluation.
How accurate?
~85% sensitivity, ~85% specificity for adult ADHD. Higher than many other screens. Public domain. Used worldwide as first-step screening.
I scored high — what now?
Talk to a GP/PCP. Ask for referral to psychiatrist or psychologist specializing in adult ADHD. Full assessment includes interview + history + sometimes neuropsych testing. Treatment (medication, coaching, CBT) very effective.

Key Takeaways

  • ADHD ASRS Adult Self-Screen is a free, browser-based calculator tool — who-validated 6-item adhd screening.
  • No signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use ADHD ASRS Adult Self-Screen

  1. Open the tool: Launch ADHD ASRS Adult Self-Screen on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

ADHD ASRS Adult Self-Screen — Quick Facts

Price
Free — no limits, no watermarks, no paywalls
Privacy
100% browser-based — no data is sent to any server
Platform
Any modern browser on desktop, tablet, or mobile
Category
Calculator Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FeatureDetails
ToolADHD ASRS Adult Self-Screen
CategoryCalculator
Signup RequiredNo
File UploadNone — processed in browser
Mobile SupportFully responsive
CostFree forever

Why Use ADHD ASRS Adult Self-Screen?

You should try ADHD ASRS Adult Self-Screen for a quick, private way to who-validated 6-item adhd screening. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.