Out-group bias leads men to exclude women from informal, career-enhancing networks. Out-group bias is most often expressed through (intentional or unintentional) exclusion, incivility, harassment ...

One of the most significant "experiments" on ingroup-outgroup bias was not carried out in the psych lab at all, but in the school room of an Iowa teacher, Jane Elliot.

Conversely, “out-group” bias is the predisposition to have negative feelings toward and discount advice from people with dissimilar backgrounds.

The contributions of positive outgroup and negative ingroup evaluation to implicit bias favoring outgroups. Proceedings of the National Academy of Sciences, 2022; 119 (40) DOI: 10.1073/pnas.2116924119 ...

Having a friend, loved one or trusted and valued colleague who belongs to the out-group can help you recognize their humanity and overcome the biases you hold against that out-group as a whole.

Bias In-Groups, Out-Groups, and the Psychology of Crowds Does the ingroup-outgroup bias form the basis of extremism? Posted December 7, 2010 | Reviewed by Matt Huston ...