Take Our Free Adult ADHD Self-Assessment Quiz

This free ADHD screening is designed to highlight common patterns of adult ADHD. In about 5 minutes, you’ll answer 12 questions that reflect how these challenges often show up in everyday life.

Calderon Diagnostic Institute free adult ADHD self-assessment quiz icons showing focus, procrastination, time blindness, follow-through, compensation, and neurocognitive cost
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Take The Screening →

Your answers are confidential

Please note: Online ADHD screenings cannot diagnose ADHD. Results from this tool should not be used to self-diagnose, replace a comprehensive clinical assessment, or guide a treatment plan. A formal ADHD diagnosis can only be made by a qualified healthcare professional following a complete evaluation.

Calderon Diagnostic Institute infographic showing how an ADHD evaluation can support medication options, workplace accommodations, school accommodations, testing accommodations, autism trait screening for possible AuDHD, and next-step planning.
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Does one or more of these sound like you?

Dr. Chad Calderon I look successful, but everything takes too much out of me. Others may not see the procrastination, last-minute pressure, and recovery required to keep performing.
Dr. Chad Calderon Anxiety and depression never explained everything. Problems with attention, time, organization, follow-through, and mental overload may continue after mood improves.
Calderon Diagnostic Institute I know what I need to do. I just can’t make myself start. Difficulty initiating tasks without interest, urgency, or immediate consequences.
Calderon Diagnostic Institute I did well in school, so no one considered ADHD. Intelligence, structure, perfectionism, or fear of failure may conceal underlying difficulties.
Calderon Diagnostic Institute I can focus for hours, just not when I need to. ADHD attention may be inconsistent rather than absent.
Calderon Diagnostic Institute I’m tired of wondering whether it’s ADHD. A careful evaluation can explain the full pattern and provide meaningful self-understanding.