[TomCowley]

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How about a question of the value of a widget to the average IQ person? Might not high IQ people be less accurate in estimating the value than average IQ people? Especially if we sat the value accuracy's test is market dependent, in which case the aggregate average person's answer is pretty much the definition of the answer anyway.

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Sure, if you take a "weak" definition of IQ and say that *on average*, higher IQ = more accurate and more precise, then you just cherry-pick the exceptional case (which could exist) to conclude that IQ and accuracy aren't necessary correlated, which isn't an interesting answer.

I showed a case where increased IQ was correlated to increased accuracy and increased precision and extrapolating still wouldn't be valid, which is a stronger result.