Either way the paper discussed by Raine is on prenatal development and micrograms of lead, showing a causal relationship with crime, it's not like kids were playing and then got exposed. It occurred on vitro.
I'm glad that they're trying to adjust for maternal IQ there, but we're still not getting all the way to causation here.
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Do you want brain scans or biopsies to actually see if these people had some kind of pathology due to the lead exposure? Cause that's where it looks like you're going
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The "ever arrested" group here is only 136, they're missing paternal IQ, and even the maternal IQ and SES adjustments may not catch enough of the potential confounding. 1.4 ratio is just too high for a small lead increase like that
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What makes you say it's too high?
End of conversation
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