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|Title:||Cluster analysis of autism spectrum disorder symptomatology: Qualitatively distinct subtypes or quantitative degrees of severity of a single disorder?||Contributor(s):||Bitsika, Vicki (author); Arnold, Wayne M (author); Sharpley, Christopher F (author)||Publication Date:||2018-05||DOI:||10.1016/j.ridd.2018.03.006||Handle Link:||https://hdl.handle.net/1959.11/26730||Abstract:||The decision to collapse several related disorders into a single diagnosis of Autism SpectrumDisorder (ASD) generated significant controversy and debate. There has been mixed evidence asto whether various ASD subtypes are qualitatively distinct or if they exist on a spectrum ofsymptom severity. The present study conducted a two-step cluster analysis of major ASDsymptoms in a sample of 147 young males with ASD aged between 6yr and 18yr with IQ > 70.Results indicated that a two-cluster solution (high and low severity of ASD symptomatology) wasreliable and valid. Further, the construct of challenging behaviour was not a necessary compo-nent of the two-cluster solution, verifying the new conceptualisation of ASD. Further replicationof thesefindings with other subsets of individuals with ASD is needed.||Publication Type:||Journal Article||Source of Publication:||Research in Developmental Disabilities, v.76, p. 65-75||Publisher:||Pergamon Press||Place of Publication:||United Kingdom||ISSN:||0891-4222
|Field of Research (FOR):||110999 Neurosciences not elsewhere classified||Peer Reviewed:||Yes||HERDC Category Description:||C1 Refereed Article in a Scholarly Journal|
|Appears in Collections:||Journal Article|
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