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group boundary
group boundary In social psychology, a group boundary is the social division between groups, including whether movement from one group to another is seen as possible.
In social psychology, a group boundary is the social division between groups, including whether movement from one group to another is seen as possible. When that boundary is impermeable, people are more likely to view groups in a compensatory way, rating one group more positively on some qualities and the other group more positively on others.