In general, however, there is agreement that groups differ from one another in the amount of "groupness" present. Those with a greater sense of solidarity, or "we-ness," value the group more highly and will defend it against internal and external threats. Such groups have a higher rate of attendance, participation, and mutual support and will defend the group standards much more than groups with less esprit de corps.
( Irvin D. Yalom )
[ The Theory and Practice of ]
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