Maybe IQ fell with advanced age previously, due to cognitive damage caused by disease or other environmental factors. And this is less prevalent today.
No, they usually compare scores of youngsters now with that of their parents cohort when they had the same age.
This is called the Flynn effect. But it’s tapering off, probably because nutrition health and education can only improve so much (don’t think any of those have changes substantially since the 80s/90s), which would explain why you see this effect get smaller and smaller now.
Your idea might also be correct, but I thought they were actually talking about the Flynn effect here. I might be wrong though
This is called the Flynn effect. But it’s tapering off, probably because nutrition health and education can only improve so much (don’t think any of those have changes substantially since the 80s/90s), which would explain why you see this effect get smaller and smaller now.
Your idea might also be correct, but I thought they were actually talking about the Flynn effect here. I might be wrong though