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Jonsdottir, Sigridur Loa; Saemundsen, Evald; Antonsdottir, Ingibjorg Sif; Sigurdardottir, Solveig; Olason, Daniel – Research in Autism Spectrum Disorders, 2011
This study compared children with early and late diagnosis of autism spectrum disorder (ASD). All children in four consecutive birth cohorts in Iceland diagnosed with ASD were divided into two groups based on their age at initial ASD diagnosis: 58 children were diagnosed before age 6 (group 1) and 41 children after age 6 (group 2). Children in…
Descriptors: Autism, Disability Identification, Age Differences, Young Children