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The CHecklist for Autism in Toddlers (CHAT; Baron-Cohen et al.1992,1996) is a screening tool designed to capture early signs of autism in 18-month-olds by inquiring about milestones related to early social and communicative development. The CHAT consists of nine parent report items and five child observation items completed by the child’s general physician or health visitor. The parent questions (part A) assess abnormal behaviors commonly associated with autism spectrum disorders (i.e., reduced social interest, social play, pretend play, protodeclarative pointing, and joint attention), as well as developmental behaviors that are more likely to be intact in children with autism (i.e., rough and tumble play, motor development, protoimperative pointing, and functional play). The second set of questions (part B) was created to supplement the parent’s report of the child’s behavior. A trained professional administers five items measuring pretend play, protodeclarative...
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Abbreviations
- CHAT:
Checklist for autism in toddlers
- PDD-NOS:
Pervasive developmental disorder-not otherwise specified
- ASD:
Autism spectrum disorder
- PPV:
Positive predictive value
References and Reading
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Authors and Affiliations
Nemours/A.I. duPont Hospital for Children, Wilmington, DE, USA
Meena Khowaja
AJ Autism Drexel Institute, Drexel University, Philadelphia, PA, USA
Diana L. Robins
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Correspondence toMeena Khowaja.
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Yale University, New Haven, CT, USA
Fred R. Volkmar
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Khowaja, M., Robins, D.L. (2021). Checklist for Autism in Toddlers (CHAT). In: Volkmar, F.R. (eds) Encyclopedia of Autism Spectrum Disorders. Springer, Cham. https://doi.org/10.1007/978-3-319-91280-6_263
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