beth comments on [Question] Adoption and twin studies confounders - Less Wrong

4 Post author: Stuart_Armstrong 11 July 2014 04:44PM

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Comment author: beth 11 July 2014 09:17:59PM 4 points [-]

In separation studies, you're also comparing with environments that include the factors known to produce twins, like high maternal age, fertility treatment, etc.

Comment author: ThisSpaceAvailable 17 July 2014 06:39:31AM 0 points [-]

How many women engage in fertility treatments, and then give the resulting children up for adoption?