The evolution of shame and guilt
Fig 2
The number of dominant results for nine strategies tested in pairwise contests.
AC stands for always-cooperate. AD stands for always-defect. AT stands for always-trembling. TFT stands for tit-for-tat. GTFT stands for generous tit-for-tat. TWTH stands for TFT-with-trembling-hand. SDH stands for shame-driven-hiding. SDD stands for shame-driven-denying. GDA stands for guilt-driven-amending. P stands for Pavlov. (A) When b = 1 and c = 0.75, the ranking of nine strategies. (B) When b = 1 and c = 0.5, the ranking of the strategies. (C) When b = 1 and c = 0.25, the ranking of nine strategies.
