Figure 2.

Three reputation assignment rules. Image scoring (IM), simple standing (ST), and stern judging (JG). The rows represent the donor’s actions (i.e., C and D), the columns represent the recipient’s reputations (G and B), and G and B inside the boxes represent the reputations that observers assign to the donor.

Nakamura and Masuda BMC Evolutionary Biology 2012 12:213   doi:10.1186/1471-2148-12-213
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