Fig. 3
From: Dispositional free riders do not free ride on punishment
Prosocial punishment behaviour of DCC and DFR in the 3:1 punishment ratio condition and the 1:1 punishment ratio condition. a Average expenditure of DCC and DFR on prosocial punishment in the 3:1 punishment ratio condition (NDCC = 77; NDFR = 35); Mann–Whitney test, n.s. P > 0.10. b Share of DCC and DFR engaging in prosocial punishment in the 3:1 punishment ratio condition; n.s. P > 0.10, χ2 test. c The average expenditure of DCC and DFR on prosocial punishment in the 1:1 punishment ratio condition (NDCC = 74; NDFR = 41); n.s. P > 0.10, Mann–Whitney test. d Share of DCC and DFR engaging in prosocial punishment in the 1:1 punishment ratio condition; n.s. P > 0.10, χ2 test. The error bars indicate ± 1 SEM
