1. No clear secular trend in H or ACE. 2. Greater H for men. 3. Non-zero C effects. 4. Very large samples. 5. Adults.
Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994. https://www.researchgate.net/publication/311638989_Genetic_and_environmental_influences_on_adult_human_height_across_birth_cohorts_from_1886_to_1994 …pic.twitter.com/aIOzlUEsvP
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Assortative mating for height is r=0.23: https://www.ncbi.nlm.nih.gov/pubmed/27637175 Probably accounts for most of C.
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I don't think AM=.23 is enough to account for this much C. Maybe @fsnole1
@cjprofman and gang knows? You're the twinperts! :) -
The effect depends on a few things but in https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3444291/ … correcting for AM --> H2 up by 10 pts.pic.twitter.com/7TNu5Nw743
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@pnin1957@KirkegaardEmil @fsnole1@cjprofman General rule, on the rare find of non-zero C, should cross check with adoptees/rear apart/etc -
ETD is the better choice. Can estimate more parameters. Maybe already done?
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Extended twin study?
@pnin1957 @fsnole1@cjprofman -
Extended twin design.
End of conversation
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Aren't height variance units in cm^2, not cm??
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Units don't matter here.
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I know. Just offputting if units displayed are wrong.
End of conversation
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