Social Identity: This is how individuals define themselves in terms of their group membership. It contributes to our sense of belonging.
Ingroup Bias: This refers to the tendency to favor one's own group over outgroups, reinforcing feelings of belonging within the group.
Outgroup Homogeneity Effect: This is the perception that individuals in an outgroup are more similar (homogeneous) than they really are, as well as more similar than members of the ingroup, which can affect feelings of belonging.