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So, does this mean that when I read some "genius"'s endless tweeting about how he "has one of the best I.Q.'s" while soandso is a "very low I.Q. individual", that doesn't actually mean anything of substance? Color me surprised!

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Nassim Nicholas Taleb is saying that the second part is likely accurate - e.g. low IQ people are accurately assessed - but the former part is off. This graph: https://cdn-images-1.medium.com/max/1600/0*76fPv686eOXo1b7F.... shows how he claims IQ scores correlate with outcomes, i.e. as you move away upwards from < 70 IQ, its predictive power plummets.

Said simply: stupid is stupid, but we're not totally sure what smart is.

I'm not sure if you got the reference but in case you didn't:

https://twitter.com/realDonaldTrump/status/33230821132142592...

Thankfully, it's unlikely that someone who spends their day tweeting like that could ever be a position of responsibility.

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