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Assessment introduction

Before you begin

{{ assessmentDefinition.instrument.name }} is the official English six-item adult ADHD screener. Answer for the same past-six-month period; the result screens risk and does not diagnose ADHD.

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Score position
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Answer review
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Answer review

Attention problems become clinically meaningful through their pattern, persistence, and effect on daily life, not through one difficult afternoon. Repeated trouble organizing tasks, finishing details, remembering obligations, starting effortful work, staying settled, or resisting a sense of internal drive may justify a closer look when it disrupts work, study, household responsibilities, relationships, driving, or safety.

The Adult ADHD Self-Report Scale (ASRS v1.1) six-question screener asks adults aged 18 and older to rate six experiences across the same past-six-month period. That time frame helps distinguish an ongoing pattern from a brief response to sleep loss, acute stress, illness, grief, medication changes, substance use, or an unusually demanding week. Those other explanations still matter because several can resemble or worsen ADHD symptoms.

Information that gives an adult ADHD screen clinical context
Context What to note Why it changes interpretation
DurationWhether difficulties persisted across the past six monthsA short-lived change may have another immediate cause.
SettingsExamples from work, study, home, relationships, or drivingDiagnosis requires more than a score from one setting.
ImpairmentMissed deadlines, unfinished tasks, lost items, conflict, or safety consequencesFrequency alone does not show how much the pattern affects functioning.
History and alternativesEarlier-life symptoms and other health, sleep, mood, or substance factorsA clinician must consider onset and competing explanations.

The ASRS has two published scoring views for these six answers. The classic method counts answers that cross an item-specific shaded threshold. The newer 24-point method assigns 0 through 4 to the five frequency choices and sums all items. Their cutoffs can disagree because one method counts threshold crossings while the other retains the full response intensity.

A positive screen supports a fuller evaluation by a qualified clinician; it does not establish ADHD, explain the cause of symptoms, or select treatment. A below-cutoff result also does not rule out ADHD or another condition when persistent difficulties continue to impair daily life.

How to Use This Tool:

Answer every item from the same past-six-month period and choose the frequency that best describes the usual pattern rather than the most memorable recent event.

  1. Start the six-question screen and select Never, Rarely, Sometimes, Often, or Very Often for each experience.
  2. Review any uncertain answer before finishing. Both scores remain unavailable until all six items have a valid response.
  3. Compare the 24-point ASRS score with the Classic shaded-response count. Either published rule can produce a positive screen.
  4. Use Answer review to check the selected frequencies and, when useful, show each score contribution. Sorting or revealing contributions changes presentation only, not scoring.
  5. Write down two or three concrete examples of impact and bring them to a qualified clinician if either rule is positive or the difficulties remain disruptive despite a below-cutoff result.

Interpreting Results:

The 24-point total screens positive at 14 or more. Its published strata are 0 to 9 Low negative, 10 to 13 High negative, 14 to 17 Low positive range, and 18 to 24 High positive range. These labels describe score position, not ADHD severity.

The classic count screens positive at 4 or more shaded responses out of 6. When the classic count and 24-point result disagree, neither result should be discarded: the combined screen is positive because at least one published method crossed its cutoff. A fuller evaluation still needs symptom history, impairment across settings, developmental context, and alternative explanations.

Technical Details:

Each response is an ordinal frequency code: Never = 0, Rarely = 1, Sometimes = 2, Often = 3, and Very Often = 4. All six answers must be present. Higher values mean more frequent self-reported symptoms during the declared six-month recall period.

Formula Core

The 24-point score is the unweighted sum of the six response codes.

S= i=16 ri , ri{0,1,2,3,4}

S ranges from 0 to 24. No weighting or intermediate rounding is applied.

Rule Core

The classic method converts each answer into a binary shaded/not-shaded result, then counts the shaded items.

ASRS classic and 24-point screening rules
Scoring rule Exact boundary Positive screen
Classic items 1 to 3Sometimes, Often, or Very Often countsAt least 4 of 6 items count
Classic items 4 to 6Often or Very Often counts
24-point totalSum all six 0–4 codesTotal ≥ 14
Combined resultEvaluate both methodsClassic count ≥ 4 or total ≥ 14

The classic thresholds correspond to codes of at least 2 for items 1 to 3 and at least 3 for items 4 to 6. The two methods use the same raw answers, but the classic count discards distance above a threshold while the total retains every frequency step.

Limitations and Privacy:

The ASRS is a brief adult screener, not a diagnostic interview, severity scale, prescription guide, or basis for employment, education, insurance, or accommodation decisions. It does not determine childhood onset, cross-setting impairment, or whether sleep, mood, anxiety, trauma, substance use, medical conditions, or medicines better explain the symptoms.

Responses stay in the current browser session unless you deliberately copy a result link. A copied link contains the six raw responses in an encoded URL fragment. Encoding is not encryption or access control, so share it only with someone you trust; starting a new session clears the in-memory answers and shared fragment.

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