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Two recent studies that mapped DSM-5 criteria using items from the Autism Diagnostic Interview-Revised (ADI-R Le Couteur, Lord, & Rutter, 2003) and the Autism Diagnostic Observation Schedule (ADOS Lord et al., 2000) reported good sensitivity (above. Not all studies using the proposed DSM-5 criteria have reported poor sensitivity. Taheri and Perry ( 2012) also found that sensitivity varied by IQ 89.7% of individuals with an IQ below 40, but only 22.2% of individuals with an IQ above 70 met criteria for DSM-5. For example, in a re-analysis of DSM-IV field trials with children and adults, the new DSM-5 criteria identified only 46% of individuals with Pervasive Developmental Disorder (PDD) and an IQ above 70, and sensitivity was low for those with Asperger Syndrome and Atypical autism (McPartland, Reichow, & Volkmar, 2012). It was further suggested that the new DSM-5 criteria might particularly exclude those with higher cognitive ability and those with atypical or Asperger-like presentations. Comparable reductions in sensitivity were reported for both low functioning adults (37% Matson, Belva, Horovitz, Kozlowski, & Mamburg, 2012) and at-risk toddlers (47.9% Matson, Kozlowski, Hattier, Hotovitz, & Sipes, 2012). Similarly, Gibbs, Aldridge, Chandler, Witzlsperger, and Smith ( 2012) reported a 23% reduction in sensitivity in 2- to 16-year-old children. ( 2011) reported a 54% reduction in diagnostic sensitivity relative to DSM-IV-TR if draft DSM-5 criteria (Jan, 2011) were strictly applied. For example, an epidemiological study of 8-year-old children by Mattila et al. The main initial concern was that individuals might be excluded due to good specificity but poor sensitivity of the new DSM-5 criteria.
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However, questions have been raised about who will get a DSM-5 diagnosis in particular, there have been concerns that the proposed DSM-5 criteria might exclude some individuals who currently receive a DSM-IV-TR or ICD-10 diagnosis (e.g. This diagnostic description is to be changed as part of the proposal for DSM-5 (Jan, 2011) and replaced by the new category of Autism Spectrum Disorder (ASD), represented by two dimensions of social communication and repetitive behaviours. A diagnosis of autistic disorder (DSM-IV-TR, American Psychiatric Association., 2000) or childhood autism (ICD-10, World Health Organisation, 1993) is given when an individual has clinical impairments in social interaction, communication, and restricted and repetitive behaviours and interests.