Wow, did a takedown of IQ statistics? This should be 🍿
I basically don't trust a pop-stats idea until Shalizi has taken a run at it
bactra.org/weblog/523.html ht
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I genuinely don't understand the point in contention here. I get the positive manifold, which is a thing out there in the world. I get that it is a positive manifold across tests that it might be argued have an ambiguous relationship with what we subjectively call intelligence.
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Causality is the point of contention. g has no referent which could be studied via causal modelign. Even weaker in fact, there is no physical phenomenology. There is no part of the brain you can point to and say, "this is the g part of the brain" afaict. Phlogiston comp is apt.
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