The Classic study

Sherif et al (1954/1961) Intergroup conflict and cooperation: The Robbers Cave Experiment.

 

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 One contemporary study (choose ONE from the following three, we do Burger hence the pink!)

Burger (2009) Replicating Milgram: Would people still obey today?

Reicher and Haslam (2006): Rethinking the psychology of tyranny – The BBC prison study

Cohrs et al. (2012)