Danish national IQ http://emilkirkegaard.dk/en/?p=7285 pic.twitter.com/NODWEExevL
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Weak as in, does not compare well across languages, or weak as in individual-level poor g-loading? First is more problematic (measurement variance), the latter not so much with large N.
Had been worried about the second, but first might be a problem (not very likely I think)
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