Looking at the concordance rates for autism found in twin studies and family studies, Newschaffer and colleagues (2007) believe that autism is primarily the result of ____.

Question

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Newschaffer and colleagues (2007) suggest that autism results from both genetic and environmental factors, as indicated by the concordance rates in twin and family studies. These studies show that while genetics play a significant role, environmental factors also contribute to the development of autism.

Looking at the Concordance Rates for Autism Found in Twin