➡ From Child Welfare Information Gateway NJ:
China: Children living with their parents have more high IQ Levels
Albany Daily Star – August 19, 2016
The study of children aged seven to 13 was conducted in China where millions of workers leave their children with relatives in pursuit of better jobs. “Children who had been adopted or placed in foster care showed a smaller deficit than orphans,” Yuan Xiao, a doctoral candidate at Sichuan University told Medical Daily.