From outgroups to allied forces: Effect of intergroup cooperation in violent and nonviolent video games on boosting favorable outgroup attitudes
Journal of Experimental Psychology General (2016) - Comment
pubmed: 26881988  doi: 10.1037/xge0000145  issn: 1939-2222  issn: 0096-3445 

Paul J. C. Adachi, Gordon Hodson, Teena Willoughby, Carolyn Blank, Alexandra Ha