Doesn’t the Turkheimer et al. result suggest that equalizing environments can drive heritability up or down, depending on how one does it? It’s as if the norms of reaction converge with decreasing SES, whereas the usual heritability analysis implicitly assumes parallel norms of reaction.
Doesn’t the Turkheimer et al. result suggest that equalizing environments can drive heritability up or down, depending on how one does it? It’s as if the norms of reaction converge with decreasing SES, whereas the usual heritability analysis implicitly assumes parallel norms of reaction.