Sources:
Simon Baron-Cohen, et al. The Autism-Spectrum Quotient (AQ): Evidence from Asperger Syndrome/High-Functioning Autism, Males and Females, Scientists and Mathematicians. 31: J Autism Dev Disord 5-17. 2001.
M Woodbury-Smith. Screening Adults for Asperger Syndrome using the AQ: a Preliminary Study of its Diagnostic Validity in Clinical Practice. 35(3): J Autism Dev Disord 331-335. 2005.
Dorothy VM Bishop, et al. Using Self-Report to Identify the Broad Phenotype in Parents of Children with Autistic Spectrum Disorders: A Study using the Autism-Spectrum Quotient. 45(8): J Child Psychol Psychiatry 1431-1436. 2004.