Content of the questionnaire
| Target audience | Children |
|---|---|
| Application | The questionnaire was developed by the Autism Research Centre at the University of Cambridge, for assessing the severity of autism spectrum symptoms in children. |
| Composition | The Childhood Autism Spectrum Test or CAST (formerly the “Childhood Asperger’s Syndrome Test”) is a 39-item, yes or no evaluation aimed at parents. |
| Scoring | Scores are calculated by adding up items. Higher scores indicate more symptoms. Scores can range between 0-31. |
Psychometric properties
| General | Cut-off point is currently set at 15, implying possible ASD or related social-communication difficulties. |
|---|
Literature and copyright
JG Williams, C Allison, FJ Scott, PF Bolton, S Baron-Cohen, FE Matthews, C Brayne. The CAST (Childhood Asperger Syndrome Test): Test Accuracy. 9(1): Autism 45-68. 2004.
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