How did they calculate IQ loss due to lead exposure specifically? https://www.pn... | Hacker News

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jcranberry on March 8, 2022 | parent | context | favorite | on: Lead exposure in last century shrunk IQ scores of ...

How did they calculate IQ loss due to lead exposure specifically?

https://www.pnas.org/doi/abs/10.1073/pnas.2118631119

I don't have access and the abstract isn't very informative in terms of sample size control group etc.

jeremyjh on March 8, 2022 [–]

It reads like they made some assumptions based on earlier research and did some math.

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