Source?
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They are here https://sapa-project.org/dmc/docs/CondonISSID2015FINAL.pdf … .16 and .20. Not sure if corrected for measurement error.pic.twitter.com/3mZJsQujIE
Based on IQ ~~ parental edu. of only .14, I take it without correcting for measurement error.
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Soooo fair to say small then? :)
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Depends what you consider small. If you adjust for measurement error, r will be around 0.3 in this huge convenience sample.
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Depends on the issue. I find .34 for the NCDS but IQ is measured in childhood and openness at age 50>
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.20 in the GSOEP, but with obviously crappy measure of intelligence (MWT-A) & only four items openness>
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NLSY .06, but measure doesn't capture the "intellectual" side of openness. Corrs not corrected for measurement error.>
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Okcupid data is another huge convenience sample with nonstandard & suboptimal IQ measurement. Did not examine the link in it.
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for this question, I'd say representative sample>>convenience sample because of endogenous selection bias, cfhttp://www.the100.ci/2017/03/14/that-one-weird-third-variable-problem-nobody-ever-mentions-conditioning-on-a-collider/ …
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Yes! Way better... Key take-away for me is that O/I & IQ are (moderately) correlated but distinct. This is not universally acknowledged.
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