Peer-reviewed screening tools for adults, children, and adolescents — with how to access, how to score, and what each one can and cannot tell you. Always consult with your health care professional.
A screener is not a diagnosis. A negative result is reasonably reassuring; a positive result warrants a full clinical evaluation by a qualified professional.
This information comes from numerous LLMs
Harold Robert Meyer
The ADD Resource Center haroldmeyer@addrc.org
www.addrc.org
Reviewed: May 09, 2026
Published: May 19, 2026
Listen to understand, not just to respond
The right screener depends on age, setting, and what you intend to do with the result. A 2025 systematic review of 74 studies covering 40 different ADHD instruments found that short tools perform as well as long ones, free tools as well as paid ones, and a negative screen rules ADHD out far more reliably than a positive screen rules it in.
| If you are… | Start with |
|---|---|
| An adult considering whether to seek evaluation | ASRS v1.1, 6-question screener (free) |
| An adolescent 13–17 self-screening | ASRS v1.1, 6-question screener (free; with adult support) |
| An adult evaluation needing childhood history | WURS-25 (free), paired with a current-symptoms instrument |
| A clinician or researcher choosing a current best-practice adult tool | ASRS-5 (licensed) or BAARS-IV (commercial) |
| The parent of a child age 6–12 | NICHQ Vanderbilt parent and teacher forms (free) |
| A clinician screening a child or adolescent 6–18 broadly | SNAP-IV (free) or Conners 4 (commercial) |
| A clinician monitoring treatment response in a child | ADHD-RS-5 (commercial) or SNAP-IV (free) |
| A clinician needing a formal diagnostic interview for an adult | DIVA-5 (free, professional use) |
FreeAdult 18+ & adolescent 13+6 items · ~2 minSelf-report
The most widely used free adult ADHD screener. Six questions developed by Kessler and colleagues with the World Health Organization, drawn from the longer 18-item checklist by identifying the items that, on their own, most strongly predicted a clinical diagnosis. Four items measure inattention, two measure hyperactivity-impulsivity. The questions ask about behavior over the past six months.
Scoring (two valid methods):
Strengths:
Limits:
Access: Harvard National Comorbidity Survey — ASRS hub (form, translations, scoring updates).
LicensedAdult 18+6 items · ~2 minSelf-reportDSM-5 calibrated
The successor to ASRS v1.1. Ustun, Adler, Rudin, Faraone, Spencer, Berglund, Gruber, and Kessler (2017) applied a machine-learning algorithm — the Risk-Calibrated Supersparse Linear Integer Model — to re-derive the optimal six items against DSM-5 criteria. The result is six different items than the v1.1 screener and a stronger calibration to current diagnostic criteria.
Scoring:
Two scoring approaches exist. The Ustun et al. paper proposes weighted scoring with item-specific point values (range 0–24, cutoff 14+). Kessler subsequently recommended unweighted 0–4 scoring in line with the v1.1 method, citing concern that the weighted DSM-5 scoring overestimates prevalence in some samples.
Strengths:
Limits:
Access: NYU TOV licensing — ASRS-5.
Licensed Adult 18+18 items · ~5 minSelf-report
The longer version of the v1.1 screener. Eighteen items map to the 18 DSM ADHD symptoms — nine inattentive, nine hyperactive-impulsive — with subscale scoring for inattentive and hyperactive-impulsive presentations. Used by clinicians to establish a symptom baseline before treatment and to track change over time. The wording reflects DSM-IV criteria; symptom content carries forward into DSM-5 unchanged.
Important change in access: The 18-item Symptom Checklist circulated freely online for many years. Use now requires a permission license through the NYU TOV licensing portal. Academic and non-industry research is generally no-fee under an inter-institutional agreement; commercial use requires a paid license.
Strengths:
Limits:
Access: NYU TOV licensing — ASRS v1.1 18-question Symptom Checklist.
Free / public domain Adult retrospective25 items · ~5 minSelf-report
The standard retrospective measure of childhood ADHD symptoms in adults. Adults rate 25 statements describing how they remember themselves as children. Total score ranges from 0–100. Important because DSM-5 and DSM-5-TR both require ADHD symptom onset before age 12, and adults often need help reconstructing that history.
Scoring:
Strengths:
Limits:
Access: Widely reproduced in clinical contexts; an example PDF is hosted by CADDRA.
CommercialAdult 18–89~5–10 minSelf & other-report
A comprehensive adult ADHD scale developed by Russell Barkley. Includes self-report and other-report (spouse, parent, sibling) versions. Three sections: current ADHD symptoms, retrospective childhood symptoms, and a separate scale for what was originally called Sluggish Cognitive Tempo and is now formalized as Cognitive Disengagement Syndrome. The Quick Screen takes 3–5 minutes; the full version 5–7. The BAARS-IV is the adult equivalent of having a current screener and a retrospective screener under one cover.
Scoring:
Items rated as never or rarely, sometimes, often, or very often. Symptoms counted as present when rated often or very often. The Quick Screen yields Current Symptoms and Childhood Symptoms scores; cutoffs of 10–11 (current) and 9–10 (childhood) are most useful for identifying adults likely to have ADHD.
Strengths:
Limits:
Access: Guilford Press — BAARS-IV.
Free (1st ed.)Ages 6–12Parent 55 / Teacher 43 items~10 min eachMulti-informant
The default ADHD screening instrument in U.S. pediatric primary care. Developed by Mark L. Wolraich, MD, and colleagues, published by the National Initiative for Children’s Healthcare Quality with the American Academy of Pediatrics. Two forms are completed in parallel — Parent Informant (55 items) and Teacher Informant (43 items) — both rated on a four-point frequency scale (Never, Occasionally, Often, Very Often). Includes screens for oppositional defiant disorder, conduct disorder, anxiety, and depression, plus a performance section rated 1 (excellent) to 5 (problematic).
Scoring (positive screen requires both):
Strengths:
Limits:
Access: Free 1st edition at NICHQ; AAP-hosted parent form (PDF) and teacher form (PDF); current editions through the AAP Bookstore.
Free / public domainAges 6–1818 / 26 / 90 itemsMulti-informant
A teacher and parent rating scale for ADHD and oppositional defiant disorder symptoms in children and adolescents ages 6 to 18. The original full version is 90 items; in clinical practice, the 18-item and 26-item short forms are most common. Items rated on a four-point scale (Not at All, Just a Little, Quite a Bit, Very Much).
A note on DSM alignment:
The SNAP-IV item wording reflects DSM-IV criteria. The nine inattentive and nine hyperactive-impulsive symptoms in DSM-IV carried forward unchanged into DSM-5 and DSM-5-TR, so item content maps cleanly onto current diagnostic criteria. The label is dated; the content is not.
Strengths:
Limits:
Access: Widely available; an authoritative copy is hosted by University of Washington (PDF); scoring guide from University of Florida (PDF).
CommercialAges 5–1718 + 6 items · ~5–10 minMulti-informantDSM-5 calibrated
DuPaul, Power, Anastopoulos, and Reid’s DSM-5 update of the widely used ADHD-RS-IV. Eighteen items mapped directly to DSM-5 ADHD symptoms, plus six functional impairment items rated no problem to severe problem. Home and school versions; separate child (5–10) and adolescent (11–17) wording. The standard primary efficacy measure in modern ADHD pharmaceutical trials.
Scoring:
Items rated 0–3 over the past week. Total scores 0–54 across the 18 symptom items; subscale scores for inattention (0–27) and hyperactivity-impulsivity (0–27).
Strengths:
Limits:
Access: Guilford Press — ADHD-RS-5.
CommercialAges 6–18Multi-informantDSM-5-TR aligned
Released by Multi-Health Systems in 2022, the Conners 4 replaces Conners 3 (2008). A comprehensive multi-informant assessment for children and adolescents ages 6 to 18: parent, teacher, and self-report (8+) forms, with full-length, short, and ADHD Index versions. Aligned to DSM-5-TR. Goes beyond ADHD symptoms to assess common co-occurring problems — anxiety, depression, conduct, oppositional defiant — and impairment domains across home, school, and social settings.
Scoring:
T-scores generated against age- and gender-normed samples. T-scores above 65 indicate elevated symptoms; 70 or higher indicates clinically significant levels. Includes inter-rater comparison reports when multiple informants complete forms.
Strengths:
Limits:
Access: Multi-Health Systems or Pearson Assessments.
Free (professional use) Adults, semi-structured · 60–90 min DSM-5 alignedDiagnostic — not a screener
A semi-structured diagnostic interview, not a screener. Updated to DSM-5 by the DIVA Foundation in 2019. Walks the clinician and patient through current adult ADHD symptoms, retrospective childhood symptoms, age of onset, two-setting impairment, and rule-outs. Listed here so readers understand what a full evaluation looks like beyond a screener.
Strengths:
Limits:
Access: DIVA Foundation — DIVA-5.
No screener establishes a diagnosis. No screener rules out the conditions that mimic ADHD — anxiety, depression, sleep disorders, thyroid dysfunction, learning disabilities, trauma. No screener captures the impairment criterion that DSM-5 requires (real interference with work, school, or relationships in two or more settings). And no screener has the clinical conversation that distinguishes ADHD from a life under too much pressure with too few supports. A screener is the front door. The room behind it is a full clinical evaluation. Some of these screeners might require an interpretation by an HCP.
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Disclaimers
Content is for educational purposes only and is not a substitute for professional advice. We strive for accuracy, though errors can occur. Some material may be AI-generated; please verify independently. Rejection Sensitive Dysphoria (RSD) is recognized by many providers but is not in the DSM.
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