Marcus dislikes doing group projects because there is always a member of the group that does not "pull his or her weight". What social behavior is described in this example?

Question

Quizplus · Accepted Answer

Marcus's experience suggests that he has encountered social loafing, which is the phenomenon where some members of a group exert less effort than they would if working alone, as they know that their individual performance cannot be directly evaluated.

Marcus Dislikes Doing Group Projects Because There Is Always a Member