Heterogeneity of long-history migration explains cultural differences in reports of emotional expressivity and the functions of smiles | PNAS thumbnail
Heterogeneity of long-history migration explains cultural differences in reports of emotional expressivity and the functions of smiles | PNAS
www.pnas.org
Here, we show that historical heterogeneity, or the extent to which a country’s present-day population descends from numerous (vs. few) source countries, predicts cultural variation in norms for emotional expressivity Our first study reveals that the number of source countries in which the ancestors
1 Users
0 Comments
4 Highlights
1 Notes

Top Highlights

  • Here, we show that historical heterogeneity, or the extent to which a country’s present-day population descends from numerous (vs. few) source countries, predicts cultural variation in norms for emotional expressivity
  • Our first study reveals that the number of source countries in which the ancestors of a given population lived in A.D. 1500 accounts for display rules for emotional expressivity, such that heterogeneity is related to pressures for greater expression of emotion
  • As predicted, positive and negative feelings related to reward, social bonding, and the negotiation of social hierarchy are believed to be fundamental causes of smiling.
  • Specifically, the function of reward (of self and other) is represented by items such as “is in a good mood.” The second factor, corresponding to social bonding, is represented by items such as “wants to be a close friend of yours.” The third factor, interpretable as hierarchy negotiation, is represented by items that include “feels superior to you...

Ready to highlight and find good content?

Glasp is a social web highlighter that people can highlight and organize quotes and thoughts from the web, and access other like-minded people’s learning.