How did Sherif and colleagues reduce intergroup hostilities in the famous "Robber's Cave" study?

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Sherif and colleagues reduced intergroup hostilities in the "Robber's Cave" study by introducing cooperative tasks. The researchers initially created competition between two groups of boys at a summer camp, which resulted in hostility and prejudice towards the outgroup. However, when cooperative tasks were introduced, the groups worked together and developed positive attitudes towards each other, reducing intergroup tensions.

How Did Sherif and Colleagues Reduce Intergroup Hostilities in the Famous