fubarobfusco comments on Why Are Individual IQ Differences OK? - Less Wrong

39 Post author: Eliezer_Yudkowsky 26 October 2007 09:50PM

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Comment author: [deleted] 15 August 2012 10:38:03PM 0 points [-]

brilliant conversation is far from a flawless indicator of intelligence

Maybe, but if someone talks to me about quantum field theory and actually makes sense, my posterior probability that their IQ is < 80 suddenly goes down to epsilon.

Comment author: gwern 15 August 2012 11:05:48PM 2 points [-]

But how do you know that? Plenty of nutters sound convincing on quantum matters (as judging by the sales into millions of such folk as Deepak Chopra and abominations like The Dancing Wu-li Masters), so I assume you have some expertise in the matter - and now you're just judging based on that. (And what if they sound convincing on a topic you have no expertise in...)

Comment author: [deleted] 16 August 2012 09:05:27AM *  1 point [-]

I think one of the main reason they “sound“ convincing (though the readers' ignorance is also a necessary condition) is motivated cognition: the kind of people who read such books would like to believe what they say. Lose that, and your strength as a rationalist kicks in. (And anyway, I don't think Chopra et al. are idiots; they are either misguided or bullshitting the readers for fun and profit.)

And what if they sound convincing on a topic you have no expertise in

I'd have to test that. Anyone willing to give me a few paragraphs of either something “serious” or crackpottery (or a spoof à la Sokal), without telling me which it is, about a topic other than physics?