alt Hacker NewsWait. They studied twins, removed accidents etc. But wouldn’t this lead to overestimation of heritability due to shared environment?
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Insanity • yesterday at 3:41 PM
Yeah I’d take this study with a spoon of salt. As with many human studies, it’s hard to control for all factors.
FTA: “We use mathematical modeling and analyses of twin cohorts raised together and apart”
So, take one cohort of twins raised together and see how well their life spans correlate.
Take another cohort of twins separated at or near birth and do the same.
Then, do some math magic with both to estimate heritability.