Final answer:
The emergency situation at Robbers Cave brought the groups together through superordinate goals, showcasing how shared objectives can lead to improved intergroup attitudes and cooperation.
Explanation:
The emergency situation at Robbers Cave brought the groups together because of superordinate goals. The concept of superordinate goals refers to goals that require the cooperation of multiple groups and that are essential for all involved parties.
This was demonstrated in the experiment where two rival groups of boys at a summer camp had to work together to solve a dilemma, such as a shortage of drinking water, which could only be resolved through mutual cooperation towards a common goal.
By engaging in tasks that necessitated collaboration, the negative perceptions and conflicts between the groups reduced, showcasing how shared objectives can lead to improved intergroup attitudes and cooperation.
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