ASRS v1.1ADHDfree

Adult ADHD Self-Report Scale

WHO-developed adult ADHD screener.

Overview

A six-item self-report screener developed by the WHO for adult ADHD, with an 18-item symptom checklist mapped to DSM criteria.

Use cases

Population screening, epidemiology, primary-care adult ADHD identification.

Assessment intelligence

Score range
0 – 24
Direction
Higher = worse
Scoring method
Algorithm
Time to score
~5 min
Subscales
  • Part A Screener
    0-6

    Six most predictive items

  • Part B Symptom Checklist
    0-12
Cutoff thresholds & interpretation
SeverityThresholdInterpretation
Positive screen≥4 darkly-shaded Part A itemsSymptoms highly consistent with adult ADHD; further clinical evaluation warranted

Developed in collaboration with WHO for adult ADHD screening.

Editorial notes

Six-item screener sensitivity ~69%, specificity ~99% in WHO World Mental Health surveys.

Available languages

Validation studies (2)

Related assessments