Adult ADHD Self-Report Scale (ASRS-v1.1)
Psychology: Mental HealthReliability: alpha 0.883 sample items
About this scale
An 18-item screener for adult ADHD developed with the WHO. Six-item Part A is the validated short screener.
Sample item(s)
“How often do you have trouble wrapping up the final details of a project, once the challenging parts have been done? (Part A)”
“How often do you have difficulty getting things in order when you have to do a task that requires organization? (Part A)”
“How often do you have problems remembering appointments or obligations? (Part A)”
Reliability
Reported internal consistency: alpha 0.88. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use.
Source & citation
Kessler, R. C., Adler, L., Ames, M., Demler, O., Faraone, S., Hiripi, E., et al. (2005): The World Health Organization Adult ADHD Self-Report Scale (ASRS). Psychological Medicine, Vol. 35, No. 2, pp. 245–256.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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