marginally significantP = 0.083
The same effects were found for calling rate of followers [penalty: F (1,31) = 17.416, P < 0.001, η p 2 = 0.360, high < low; opponent: F (1,31) = 8.801, P = 0.006, η p 2 = 0.221, human-to-human > human-to-computer; penalty × opponent (marginally significant): F (1,31) = 3.211, P = 0.083, η p 2 = 0.094; Figure 3 D].