1/ Thread on studying group differences: A response to @PsychRabble First, let me say I very much admire Lee, and I think he is a very reasonable person. So nothing about this is personal. This is purely a disagreement about ideas.
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Yeah, some call it the BS-EC (brain size-environmental change) hypothesis, and it seems reasonable and parsimonious to me. But I'm certainly open to alternatives. It's a difficult problem to solve.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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I haven't read enough into it to have a firm opinion about it. I'm generally less skeptical of genetic claims, but more skeptical of the evolutionary stories presented to purportedly explain it
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That's fair. But the best we can do is develop reasonable hypotheses that account for the data while predicting new data. It's a difficult task, but the BS-EC hypothesis seems quite reasonable to me. Some variety of selection for culture also.
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All the stuff investigating this in humans makes the same obvious mistakeshttps://twitter.com/Simon_Whitten/status/1135629130639257602 …
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The researchers who study this realize this, of course, and have dealt with it in a variety of ways. Anyway, I will wait to address this in a longer essay. It's a fascinating topic.
End of conversation
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