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Observing others give & take: A computational account of bystanders’ feelings and actions

Fig 8

Observers’ punishment decisions reflect selfishness aversion and inequality aversion.

Plotted are the winning models fit at the group-level for Experiment 1 ( left panel) and Experiment 2 ( right panel). Participants’ punishment choices were z-scored before model-fitting to standardize responses. The predicted punishment from the model (purple line) is overlaid on the mean observed punishment over all participants (purple dots). Error bars represent SEM.

doi: https://doi.org/10.1371/journal.pcbi.1010010.g008