3 ms·
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 n
by VictorPath 4y ago
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.
- ravi-delia 4y agoTo be clear, one of these twins suffered several concussions while the other did not
- car_analogy 4y agoOther 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 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 https://www.gwern.net/docs/iq/1996-bouchard-2.pdf