Historical Chinese civilization noted for implementing standardized testing for government positions since the 7th century AD, creating generational selection effects.
"Imperial China had standardized testing for the general public since the time Muhammad was born and it was the primary way normal families could advance the social ladder by getting government jobs. hmm, I wonder if the fact that in 1000 AD Chinese merchants' sons were spending time reading, studyin"
"Imperial China had standardized testing for the general public since the time Muhammad was born and it was the primary way normal families could advance the social ladder by getting government jobs"