In a Classic Study, Brewer and Kramer (1986) Created a Resource

In a classic study, Brewer and Kramer (1986) created a resource depletion dilemma in the laboratory. In which condition did people withdraw fewer resources from the common pool?

A) When they were made to identify with their group.
B) When they were told that payments would be determined on an individual basis.
C) When they believed they were part of an 8-person group.
D) When they believed they were part of a 32-member group.