Middle children grow up to be more honest and cooperative than only children, study suggests
A pair of psychologists, one with Brock University, the other with the University of Calgary, both in Canada, has found ...
The Debrief2 小时
Naughty or Nice? New Study Reveals Surprising Findings About Selfish Tendencies in Children
The debate over how birth order influences personality has persisted for years. But do selfish tendencies really occur more ...