It's a statistical fact. Some inferences drawn from that fact might be myths, but not the fact itself.
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Replying to @HobbesianM @TheDisproof and
The explanation isn't 'general intelligence' though. That's the myth
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Replying to @Race__Realist @TheDisproof and
You think it's a myth, I think more data is needed. You seem to follow Ken Richardson in thinking class differences are just a massive coincidence. I think evolution means any class differences must eventually become genetically entrenched under assortative mating.
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Replying to @HobbesianM @TheDisproof and
The genetic class differences are due to genetic stratification. There are genetic differences between classes that are irrelevant to cognitive ability and educational attainment. No evidence exists that genes cause individual differences in IQ scores.
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Replying to @Race__Realist @HobbesianM and
Either way, natural selection acts to lower genetic variation in traits important for survival. I'm sure you'd agree that intelligence is important to survival. Therefore genetic variation for intelligence in the human species should similarly be low as well.
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Replying to @Race__Realist @HobbesianM and
Come on. There is evidence of genetic differences causing differences in IQ scores. IQ does not just measure socioeconomics, but there is some correlation there since being dumb makes people poor. Just look at SAT scores: the richest group of blacks score = poorest whites
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Replying to @HbdNrx @HobbesianM and
Where? Where is the genetic evidence that poor people are poor because they're dumb? SAT scores are achievement tests not IQ tests and don't lend credence to anything.
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Replying to @Race__Realist @HobbesianM and
Most of what SAT scores measure is intelligence. They might even be better than IQ tests at that. Lots of evidence here, and I don't think this even includes the recent genetic association studies. Althyp has has also written some well-referenced articles.http://archive.is/ecnfW
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Replying to @HbdNrx @HobbesianM and
The 'facts' can be explained by item analysis and selection which make up test http://construction.How does the SAT,which is an aptitude test, test 'intelligence'? Correlations with it and 'IQ' tests are built in.
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Replying to @Race__Realist @HbdNrx and
College grades and job performance correlate at .05 6 years after college graduation. Some good predictor...
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You can't effectively compare college grades across colleges and even across majors.
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Replying to @HbdNrx @HobbesianM and
Here's the source. Page 4. https://repository.upenn.edu/cgi/viewcontent.cgi?article=1151&context=marketing_papers … Thats the fact of the matter. Even then job performance and IQ correlation is low.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4557354/ …
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