Plenty is doing.
"Subjects were 624 six-to-seven-year-old children, from Shanghai and the north-western region of the US.... Our findings indicated considerable similarity of factor structure in the two cultures, obtaining three factors labelled Surgency, Negative Affect and Attentional Self-Regulation (or Effortful Control). Differences across cultures were also found, with Surgency and Effortful Control scores being relatively higher than Negative Affect in the US sample...."
Disclaimer: this quote appears here only to spark discussion. It is not endorsed one way or the other. Make up your own mind. Or just refresh the page for another viewpoint. From a collection assembled by the late Chris Brand.
