But for one guy, here is a completely unimpressive family[0] But which studies show those 60%-80% numbers? A 20% spread is a lot but not surprising since the r

But for one guy, here is a completely unimpressive family[0] But which studies show those 60%-80% numbers? A 20% spread is a lot but not surprising since the results change completely with the definition of intelligence which is easy to redefine since it is just a social construct. [0]https://en.wikipedia.org/wiki/Einstein_family https://en.wikipedia.org/wiki/Einstein_family