ADHD
ADHD affects attention, impulse control, and activity levels in ways that can show up differently in every person.
Start free screeningWhat it is
ADHD affects attention, impulse control, and activity regulation. It is one of the most common neurodevelopmental patterns in children and remains under-recognized in adults.
Signs in children
- Difficulty sustaining focus during schoolwork
- Acting before thinking through consequences
- Restlessness and difficulty staying seated
- Losing materials and forgetting instructions
- Strong emotions that shift quickly
Signs in adults
- Chronic procrastination despite good intentions
- Time blindness and missed deadlines
- Difficulty following through on plans
- Restlessness during meetings or quiet tasks
- Years of feeling underperforming despite ability
How WhyTheyThink screens for it
Our questionnaire asks about attention, organization, impulsivity, and restlessness across home, school, or work settings. Questions adapt for self, parent, or educator observation modes.
Frequently asked questions
Is this ADHD test a diagnosis?
No. WhyTheyThink is a screening tool that highlights patterns consistent with ADHD. Only a qualified clinician can diagnose ADHD.
Can I screen my child for ADHD online in Canada?
Yes. Parent mode uses child-focused questions. Results are free and include visual scores plus an optional full written report.
How long does the ADHD screening take?
About 10 minutes for the adaptive two-phase screening covering ADHD and 15 other neurodivergence profiles.