From Disability Scoop (7/7):
Experts challenge CDC data showing spike in autism cases
The CDC's estimate that as many as 1 in 68 8-year-olds in the U.S. has
autism is based on medical and education records alone, according to an
editorial published in the journal
Autism. Without conducting direct assessments on a single child, "we
will not know the extent to which the CDC-determined 'cases' include
false positives, or the extent to which children who it was determined
do not have autism are really false negatives," the authors said. Wide
variances in rates from state to state should also indicate issues with
the data, the authors said.
http://www.disabilityscoop.com/2014/07/07/validity-cdc-autism-rates/19485/
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