If you are concerned that you, or a friend or relative, may have ASC, please discuss these concerns with your GP or family doctor or ask the National Autistic Society (NAS) or equivalent charity in your country, for advice. None of them are diagnostic: No single score on any of our tests or questionnaires indicates that an individual has an Autism Spectrum Condition (ASC). Licence: From the website: Our tests are posted on our website to enable free access to academic researchers. Brayne, (2004) The CAST (Childhood Asperger Syndrome Test) : test accuracy Autism :45-68 Brayne, (2002) The CAST (Childhood Asperger Syndrome Test) : Preliminary development of UK screen for mainstream primary-school children Autism 6(1):9-31 Although a child would have not completely developed his/her observation skills at. A study done in 2005 showed that the test has good test-retest reliability and that 97% of children did not move between score groups Williams et.al.Īuthors and Citations: F. The Childhood Autism Spectrum Test (CAST) is a screening instrument developed in the UK to detect ASC in children aged 411 years old. Observation skills play an important role in diagnosis of autism symptoms. The positive predictive value is moderate and the test has good validity and has been shown to be reliable. Children with overall scores equal to or greater than 68 points are classified as autistic, scores between 54 and 67 indicate a moderate probability of autism. Measurement properties and previous use: The tool has been evaluated in several papers and has shown good sensitivity and specificity when using a score cut-point of > 15 (maximum possible score is 31). Low-risk is a total score of 0-2 and mentions if a child is younger than. Target Population: School aged children aged 4-11 When looking at the scoring, there are options of low-risk, medium-risk and high-risk. Type of Measure: The Childhood Autism Spectrum Test, formerly known as the Childhood Asperger’s Syndrome Test is a 37 item parental questionnaire that screens for possible cases of autism spectrum conditions and related social and communication conditions.
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