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| Description: Competitive games fostered hostility between the Rattlers and the Eagles. Few boys had a best friend from the other group (left). But after the teams had to cooperate to solve various problems, the percentage that made friends across “enemy lines” shot up (right) (Sherif et al., 1961). Picture Stats: Views: 221 Filesize: 47.11kB Height: 461 Width: 648 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=41921 |