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01-08-2012 | Original Paper

How Does Relaxing the Algorithm for Autism Affect DSM-V Prevalence Rates?

Auteurs: Johnny L. Matson, Megan A. Hattier, Lindsey W. Williams

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 8/2012

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Abstract

Although it is still unclear what causes autism spectrum disorders (ASDs), over time researchers and clinicians have become more precise with detecting and diagnosing ASD. Many diagnoses, however, are based on the criteria established within the Diagnostic and Statistical Manual of Mental Disorders (DSM); thus, any change in these diagnostic criteria can have a great effect upon children with ASD and their families. It is predicted that the prevalence of ASD diagnoses will dramatically decrease with the adoption of the proposed DSM-5 criteria in 2013. The aim of this current study was to inspect the changes in prevalence first using a diagnostic criteria set which was modified slightly from the DSM-5 criteria (Modified-1 criteria) and again using a set of criteria which was relaxed even a bit more (Modified-2 criteria). Modified-1 resulted in 33.77 % fewer toddlers being diagnosed with ASD compared to the DSM-IV, while Modified-2 resulted in only a 17.98 % decrease in ASD diagnoses. Children diagnosed with the DSM-5 criteria exhibited the greatest levels of autism symptomatology, but the Mod-1, Mod-2, and DSM-IV groups still demonstrated significant impairments. Implications of these findings are discussed.
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Metagegevens
Titel
How Does Relaxing the Algorithm for Autism Affect DSM-V Prevalence Rates?
Auteurs
Johnny L. Matson
Megan A. Hattier
Lindsey W. Williams
Publicatiedatum
01-08-2012
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 8/2012
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-012-1582-0