US centric data, absolutely useless. This is just measuring american decline, not civilisation changes.
It's also a first time decline afterany decades of steady increases. We have no basis for determining causality - it might just be that we've finally maxed out the possible gains from the causes underlying the Flynn effect.
alt Hacker News
It's also a first time decline afterany decades of steady increases. We have no basis for determining causality - it might just be that we've finally maxed out the possible gains from the causes underlying the Flynn effect.