Having spent a reasonable amount of time looking into the matter in the past, I do feel fairly comfortable in making that claim, unless something new has come out in the past ~4 years.
Given that IQ is over 50% heritable and IQ heritability increases with age, my prior would be that it’s largely genetic.
Having spent a reasonable amount of time looking into the matter in the past, I do feel fairly comfortable in making that claim, unless something new has come out in the past ~4 years.
Given that IQ is over 50% heritable and IQ heritability increases with age, my prior would be that it’s largely genetic.