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. 2017 Aug 29;7:9737. doi: 10.1038/s41598-017-09935-2

Table 3.

Assessment rules of the norms.

Donor’s action (C/D) and Recipient’s image (G/B)
(C, G) (D, G) (C, B) (D, B)
Image-scoring G B G B
Simple-standing G B G G
Stern-judging G B B G
Shunning G B B B
Staying G B R R

C: cooperate; D: defect; G: good B: bad; R: reservation (meaning that the discriminator keeps the donor’s image regardless of her or his action).