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. 2011 May 31;6(5):e20474. doi: 10.1371/journal.pone.0020474

Figure 1. Examples of methods of solving social dilemmas based on Kollock's ontology [11].

Figure 1

Solutions to social dilemmas can be classified as motivational, strategic or structural depending on whether players are assumed egoist and whether the rules of the game can be changed.