Birdwatch Note Rating
2023-10-11 22:17:59 UTC - HELPFUL
Rated by Participant: DF5038DD63E7954BEB363B2D6492EC841C7644C7AAE1F7C8C8B145BF80E437F3
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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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