Earlier quoted context omitted.
> I believe nearly anyone could be among "the country's most talented people" if they were wealthy, given access to near-limitless resources, accepted into an elite school. I think a lot of people, myself included, want to believe this. It's nice to think that all humans have great potential inside of them! Unfortunately, reality might not respect our perfectly reasonable sensibilities. After having a child, I began…
Well here's an easy* win for any new parents reading this: read to your kids. As much as you can. They will start school with a significant leg up! https://journals.lww.com/jrnldbp/Abstract/2019/06000/When_Ch... * edit: easy, of course, if you don't work a night job and have the time to read multiple books to your child every day
This study just says that kids who are read to are exposed to more words. It's basically like saying kids who go outside more are exposed to more sunlight. Sure, this is definitely a true fact. But does it matter? This study says nothing about how reading effects outcomes in childhood or in life.
Wikipedia has a good article on the heritability of IQ: https://en.wikipedia.org/wiki/Heritability_of_IQ
> Various studies have estimated the heritability of IQ to be between 0.7 and 0.8 in adults and 0.45 in childhood in the United States.
One thing that is interesting is that children have very random IQs that eventually converge to something approximating their parents' IQs. Perhaps this is explained by things like an early-life word gap that eventually gets filled with age.