In 2012, the Centers for Disease Control and Prevention announced that the prevalence of autism spectrum disorder in the United States increased by 78% during 2002-2008. Among the possible explanations for this marked increase are:
A. The incidence of the disorder truly increased
B. Awareness of the disorder increased and so previously unrecognized cases were more likely to be identified and diagnosed
C. Both A and B
A. The incidence of the disorder truly increased
B. Awareness of the disorder increased and so previously unrecognized cases were more likely to be identified and diagnosed
C. Both A and B
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