News for hackers. Stuff that matters.

A comment on 16 point IQ difference between identical twins raised apart. Parent comment

Re:16 point IQ difference between identical twins raised apart by VictorPath on Sunday May 08, 2022 @11:29AM (#31304933)
An unasked question is how many of the identical twins in the original study were separated at birth and raised in very different environments? The answer is not many. A large number of the separated twins were separated at an older age, or were adopted by a close family member of a similar class background.

I don't see this study as any more muddled than the original study.

[ Parent | on HN ]
Re:16 point IQ difference between identical twins raised apart by car_analogy on Sunday May 08, 2022 @11:35AM (#31304996)
Other twin studies didn't look solely at twins, but compared them with non-twins. As poster civilized said https://news.ycombinator.com/item?id=31304805:

monozygotic twins reared apart show much more similar IQs than unrelated individuals raised together, indicating that genetics are the dominant driver of IQ. https://www.gwern.net/docs/iq/1996-bouchard-2.pdf

[ Parent | on HN ]
Re:16 point IQ difference between identical twins raised apart by ravi-delia on Sunday May 08, 2022 @12:11PM (#31305355)
To be clear, one of these twins suffered several concussions while the other did not
[ Parent | on HN ]