Most social behavior occurs in groups.
Of the billions of people populating the world, all but an occasional recluse or exile belong to a group. The world is teeming with groups. The current work draws on prior theoretical analyses of the roots of social life to develop a theory of the functional utility of interdendence. The proposed model, like prior frameworks, assumes that socialiality is preferred over solitude because groups supply the resources, or provisions, we need for social existence. The value of groups.