Content of the questionnaire
Target audienceAdults
ApplicationThe AQ assesses symptoms that have shown to be indicative of the social skill, attention to detail, attention switching, communication, and imagination domains of autism.
CompositionThe questionnaire contains 50 statements with 4 answer options, varying from ‘definitely agree’ to ‘definitely disagree’, and mirrored items.
ScoringScores are calculated by adding up items. Higher scores indicate more symptoms. Scores can range between 0-50.
SubscalesTotal score (0-50)
• Social skill
• Attention switching
• Attention to detail
• Communication
• Imagination
Psychometric properties
GeneralIn clinical practice the AQ has shown to be an accurate predictor of patients who will receive the diagnoses of autism. Research has shown that approximately 80% of the patients with autism reach a total score of 32 or higher.
Literature and copyright

Baron-Cohen, S., Wheelright, S., Skinner, R., Martin, J., Clubley, E. (2001). The Autism-Spectrum Quotient (AQ): Evidence from Asperger Syndrome/High-Functioning Autism, Males and Females, Scientists and mathematicians. Journal of Autism and Developmental Disorders, Vol. 31. No. 1. 5-17

© MRC-SBC/SJW Feb 1998

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