Combining parent and clinician ratings of behavioural indicators of autism spectrum disorder improves diagnostic classification

Ward, Samantha L., Sullivan, Karen A., & Gilmore, Linda (2016) Combining parent and clinician ratings of behavioural indicators of autism spectrum disorder improves diagnostic classification. Early Child Development and Care. (In Press)

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Reliance on a single informant method in the evaluation of autism spectrum disorder (ASD) can increase misclassification. Yet, current ASD screening instruments predominately rely on a single informant approach. This study combined scores from two ASD screening instruments, the clinician administered Autistic Behavioural Indicators Instrument (ABII) and its parent questionnaire equivalent (ABII-PQ), to examine whether a combination score improved ASD classification in a sample of children with ASD (n=51, Mchild age= 3.6 years, SD= 1.01, range = 2-6 years). Results showed the ABII and ABII-PQ were significantly associated, r= .62, p= .01, and did not differ significantly on final correct ASD classification. However, final agreement on ASD classification between instruments was poor, κ=.19, p=.184. One method of combining scores from the ABII and ABII-PQ significantly improved classification, correctly classifying 100% of children with ASD. Results show combining scores from parent and clinician rated screening instruments could improve ASD classification.

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ID Code: 99586
Item Type: Journal Article
Refereed: Yes
Keywords: Autism Spectrum Disorder, Diagnosis, Assessment, Parent ratings, Observation
DOI: 10.1080/03004430.2016.1235567
ISSN: 1476-8275
Subjects: Australian and New Zealand Standard Research Classification > EDUCATION (130000) > SPECIALIST STUDIES IN EDUCATION (130300) > Special Education and Disability (130312)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Educational Psychology (170103)
Divisions: Current > Schools > School of Cultural & Professional Learning
Current > QUT Faculties and Divisions > Faculty of Education
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2016 Informa UK Limited, trading as Taylor & Francis Group
Copyright Statement: The Version of Record of this manuscript has been published
and is available in Early Child Development and Care, 22 September 2016,
Deposited On: 27 Sep 2016 23:18
Last Modified: 04 Oct 2016 23:05

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