People are often excluded from social groups. As researchers from the University of Basel report in the Journal of Experimental Social Psychology, whether uninvolved observers find this acceptable or not may depend on the facial appearances of those excluded. The exclusion of cold and incompetent looking people is more likely to be accepted.
Social exclusion – be it at school, work or among friends – is usually a painful experience for those affected. This behavior also often has a considerable effect on third-party observers: Bullying and ostracism with the aim to hurt the victims are seen as particularly unfair and morally unacceptable. However, in some cases, social exclusion is also perceived as justified.
Read more at University of Basel