In the Classic Experiment on Prejudice,what Strategy Did the Researchers

Multiple Choice

In the classic experiment on prejudice,what strategy did the researchers use to break down the in-group/out-group barriers between 11-year-old boys at a summer camp?

A) They controlled the conflict,and then performed an intervention.
B) They created emergencies that required the boys to work together in order to solve them.
C) They had small-group counselling sessions focused on resolving group differences.
D) They conducted classes,highlighting to the groups that their in- and out-group distinctions were meaningless.