LIkely random pattern, not real.
Temporal trend in the Black-White gap. Mean/median d = 1.00. Very heterogeneous samples.pic.twitter.com/XWPMxpenvB
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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instead of studying the symptoms, why don't you do something about the actual cause. Explain why this data is important.
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I do study that. Read the paper if you are more curious about this plot.https://osf.io/mnfex/
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it's hard not to be offended without context.
End of conversation
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IQ tests, achievement tests, aptitude tests. Seehttp://humanvarieties.org/2013/01/15/secular-changes-in-the-black-white-cognitive-ability-gap/ …
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