It's a well-known principle in social psychology that people define themselves in terms of social groupings and are quick to denigrate others who don't fit into those groups. Others who share our ...

We humans organize ourselves in myriad kinds of social groups, from scout troops and sports teams to networks of friends, colleagues, or classmates. But how do these social groups work? How do we ...

It's a well-known principle in social psychology that people define themselves in terms of social groupings and are quick to denigrate others who don't fit into those groups. Others who share our ...