Autism Quotient (quiz)

Yeah…I guess I will continue to mask. I’ve been terrified of being left out ever since I was young. I was bullied when I was young because I excelled in school but was “odd” and teachers would punish me a lot and abuse me.

I doubt that I will go to the doctor for diagnosis of autism because the office is simply inaccessible for me to go. I can’t risk ruining my joints…but it’s good that I know what’s going on at least, or at least I think I also have it with sz.

I always score really high on these things. 🤷 I don’t know what to think about it. I don’t think I have autism, but these always make me wonder.

Cambridge University Press

Predicting the diagnosis of autism in adults using the Autism-Spectrum Quotient (AQ) questionnaire

K. L. Ashwood, N. Gillan, […], and D. G. Murphy

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Associated Data

Supplementary Materials

Abstract

Background

Many adults with autism spectrum disorder (ASD) remain undiagnosed. Specialist assessment clinics enable the detection of these cases, but such services are often overstretched. It has been proposed that unnecessary referrals to these services could be reduced by prioritizing individuals who score highly on the Autism-Spectrum Quotient (AQ), a self-report questionnaire measure of autistic traits. However, the ability of the AQ to predict who will go on to receive a diagnosis of ASD in adults is unclear.

Method

We studied 476 adults, seen consecutively at a national ASD diagnostic referral service for suspected ASD. We tested AQ scores as predictors of ASD diagnosis made by expert clinicians according to International Classification of Diseases (ICD)-10 criteria, informed by the Autism Diagnostic Observation Schedule-Generic (ADOS-G) and Autism Diagnostic Interview-Revised (ADI-R) assessments.

Results

Of the participants, 73% received a clinical diagnosis of ASD. Self-report AQ scores did not significantly predict receipt of a diagnosis. While AQ scores provided high sensitivity of 0.77 [95% confidence interval (CI) 0.72–0.82] and positive predictive value of 0.76 (95% CI 0.70–0.80), the specificity of 0.29 (95% CI 0.20–0.38) and negative predictive value of 0.36 (95% CI 0.22–0.40) were low. Thus, 64% of those who scored below the AQ cut-off were ‘false negatives’ who did in fact have ASD. Co-morbidity data revealed that generalized anxiety disorder may ‘mimic’ ASD and inflate AQ scores, leading to false positives.

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