Group* norms are “rules” regarding what group members should think and do. They define what’s normal behavior in the group. Conformity to group norms enables the group to function smoothly. Unique ...

In behavioral research, it is largely assumed that people adapt their personal behavior to match the behavior of a reference group. A distinction is made between descriptive norms—the assumption that ...

Companies put a great deal of time and effort in to encouraging employees to work effectively with their colleagues. If a company finds that workers have bonded in to a cohesive group, it should be a ...

But although the notion that group solidarity leads inevitably to prejudice, animosity, and conflict is common, it is also incorrect and potentially dangerous. In our new book, the two of us argue ...