When a large group is asked to complete a task, individual members often neglect their responsibilities, because it is impossible for any one person to receive credit or blame. this phenomenon is called: regression toward the mean. groupthink. group polarization. social loafing?

The answer in the scenario given above is social loafing because this is a way where the members of a group has preform less when exerting effort when they are to work together or when achieving a task or goal in which is related to the scenario above where individual members neglect their duties.