No relation between adoptive parent education and IQ test at age 18, large sample study. https://emilkirkegaard.dk/en/?p=5663 Also early age IQ gains hollow anyway https://www.gwern.net/docs/iq/2015-tenijenhuis.pdf …pic.twitter.com/q1knBp0XRq
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One thing i have noticed when reading blank slatist writings is they tend to cite outlier studies. Turkheiemer dies this all the time aswell, citing his one study from early 2000s instead of the meta analysis from 2015 to quantify the impact of h^2*SES interaction for IQ.
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Oh yeah, it's the norm. Why they always cite 1960s and 1970s tiny intervention studies instead of huge follow-ups that failed, and even the 1960s initial large studies finding nothing. Old tweet:https://twitter.com/KirkegaardEmil/status/849992441658826752 …
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