![]() ![]() The CAST (Childhood Asperger Syndrome Test): Preliminary development of UK screen for mainstream primary-school children,į.The Childhood Asperger Syndrome Test (CAST): Test-retest reliability in a high scoring sample,Ĭ.Journal of Autism and Developmental Disorders 38:1731-1739 (2008), The Childhood Autism Spectrum Test (CAST): Sex Differences,.X Sun, C Allison, F Matthews, Z Zhang, B Auyeung, S Baron-Cohen, C Brayne Exploring the Underdiagnosis and Prevalence of Autism Spectrum Conditions in Beijing,.M Vulchanova, L Djalev, M Stankova, V Vulchanov, C Allison, S Baron-Cohen Journal of Intellectual Disability - Diagnosis and Treatment 4:117-128 (2016), Factor Structure of the Bulgarian CAST: (Childhood Autism Spectrum Test),.Relevance: Knowing the prevalence of autism can help commissioners plan services for the number of children who will need support.įunding: The Shirley Foundation, and the Big Lottery Fund.ĭr Carrie Allison Professor Fiona Matthews Selected Publications This project is being replicated in China in 3 provinces, using translations of the CAST. You can take the test using two methods of scoring: Automated-scoring. Although there is a genetic component to autism spectrum disorder, there is no genetic test to determine whether or not a child has the condition. Most non-autistic females score 15 on average. This also showed that the CAST can be used as a screening instrument in epidemiology research and has been translated into many languages, for comparative prevalence studies. 79.3 of autistic people score 32 or higher 2 The Autism-Spectrum Quotient (AQ)Adolescent Version (Baron-Cohen et al., 2006) Most non-autistic males score 17 on average. ![]() Importance: This showed that autism is far more common than was previously thought. Hyperactivity/Attention Deficit Disorder (ADHD) Hearing or visual difficulties. This means that there are autistic individuals who remain undetected through the school years who may benefit from support and intervention. This study also found for the first time that for every 3 known cases of autism, there are 2 undiagnosed cases. Results: We confirmed recent studies from other prevalence studies that autism affects approximately 1% of the population. Method: We used the CAST as a screening instrument in a large population study of 20,000 primary school age children in Cambridgeshire. The CAST discriminates autistic children from typical children well, and CAST scores show strong heritability in a twin study, suggesting it is a reflection of the underlying genetic liability for the number of autistic traits a person has. The change of name reflects that it was originally designed for a prevalence study of Asperger Syndrome in childhood but is useful for screening all children who may be autistic. Aims: To determine the prevalence of autism in a UK sample.īackground: We developed the CAST, formerly known as the Childhood Asperger Screening Test but renamed as the Childhood Autism Spectrum Test. ![]()
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