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Christensen, Lisa; Hutman, Ted; Rozga, Agata; Young, Gregory S.; Ozonoff, Sally; Rogers, Sally J.; Baker, Bruce; Sigman, Marian – Journal of Autism and Developmental Disorders, 2010
We observed infant siblings of children with autism later diagnosed with ASD (ASD siblings; n = 17), infant siblings of children with autism with and without other delays (Other Delays and No Delays siblings; n = 12 and n = 19, respectively) and typically developing controls (TD controls; n = 19) during a free-play task at 18 months of age.…
Descriptors: Siblings, Play, Mental Age, Autism