Yes, polygraphs give way more false positives than false negatives, because it really just measures if you're nervous, and a question make you jumpy even if you're not lying.
They cite a study by Gernsbacher et al for the claim that autism rates are not increasing. I couldn't find the scholarly paper, but here's a paper, also by Gernsbacher, more for a general audience, Three Reasons Not to Believe in an Autism Epidemic:
http://www.autcom.org/pdf/Epidemic.pdf
Same with the scholarly article by Grinker (2007). Couldn't find it, but here's an interview with him where he says there's no epidemic:
And a study that says that kids formerly given other diagnoses (such as "retardation") are getting sort of "re-branded" as autistic, also furthering the impression that autism rates are increasing:
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Date: 2010-05-17 09:44 pm (UTC)They cite a study by Gernsbacher et al for the claim that autism rates are not increasing. I couldn't find the scholarly paper, but here's a paper, also by Gernsbacher, more for a general audience, Three Reasons Not to Believe in
an Autism Epidemic:
http://www.autcom.org/pdf/Epidemic.pdf
Same with the scholarly article by Grinker (2007). Couldn't find it, but here's an interview with him where he says there's no epidemic:
http://www.csicop.org/si/show/interview_with_roy_richard_grinker/
More on doubts that autism is increasing here:
http://pediatrics.aappublications.org/cgi/content/extract/107/2/411
And a study that says that kids formerly given other diagnoses (such as "retardation") are getting sort of "re-branded" as autistic, also furthering the impression that autism rates are increasing:
http://www.ncbi.nlm.nih.gov/pubmed/18384386