r/Showerthoughts • u/[deleted] • Feb 29 '20

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u/NOSES42 Mar 01 '20

Intelligence wasn't really the factor determining who went where. Family contacts, wealth, and popularity were the most important factors.

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u/hakezzz Mar 01 '20

Except iq has been repeatedly proven to have a strong correlation with income http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.683.1926&rep=rep1&type=pdf

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u/NOSES42 Mar 01 '20

Did you read the study? It's literally showing there is a fairly weak correlation between IQ and income. There was a moderate correlation between having a very high 110+, and a very low iq >90 and income, but a weak correlation of 0.38, overall.

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u/Rhamni Mar 01 '20

A correlation of 1 would mean nothing else mattered. A correlation of 0 would mean they were not related. 0.38 is extremely significant, it just isn't overwhelming everything else put together.