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ERIC Number: EJ1073019
Record Type: Journal
Publication Date: 2015-Sep
Pages: 13
Abstractor: As Provided
Reference Count: 37
ISBN: N/A
ISSN: ISSN-0162-3257
Stability and Change in the Cognitive and Adaptive Behaviour Scores of Preschoolers with Autism Spectrum Disorder
Flanagan, Helen E.; Smith, Isabel M.; Vaillancourt, Tracy; Duku, Eric; Szatmari, Peter; Bryson, Susan; Fombonne, Eric; Mirenda, Pat; Roberts, Wendy; Volden, Joanne; Waddell, Charlotte; Zwaigenbaum, Lonnie; Bennett, Teresa; Elsabbagh, Mayada; Georgiades, Stelios
Journal of Autism and Developmental Disorders, v45 n9 p2691-2703 Sep 2015
We examined the stability of cognitive and adaptive behaviour standard scores in children with autism spectrum disorder (ASD) between diagnosis and school entry approximately age 6. IQ increased 18 points in 2-year-olds, 12 points in 3-year-olds, and 9 points in 4-year-olds (N = 281). Adaptive behaviour scores increased 4 points across age groups (N = 289). At school entry, 24% of children met criteria for intellectual disability (cognitive and adaptive behaviour scores <70). No children with both scores =70 at diagnosis later met criteria for intellectual disability. Outcomes were more variable for children with initial delays in both areas (in 57%, both scores remained <70). Findings are relevant to clinical decision-making, including specification of intellectual disability in young children with ASD.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A