Birdwatch Note Rating
2023-10-11 21:33:56 UTC - HELPFUL
Rated by Participant: D522F6CF3B9BBCF0E7A833B1D1246EB93D6A94783D4238C73A538C1E39AD86D0
Participant Details
Original Note:
The possible implication that inbreeding would lower IQ sustainably is incorrect. First cousin marriage is estimated to lower IQ by ~3 points on average. https://doi.org/10.1016/j.intell.2008.10.007 Furthermore, matrix IQ tests on small and disadvantaged populations can be unreliable. https://doi.org/10.1007/s40806-022-00351-y
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