marginally significantp = .065
P3a The ANOVA on P3a revealed a main effect of trial condition, F (3, 37) = 15.00, p < .001, η 2 p = 0.55, with AY trials ( M = 12.73 μV, SD = 6.24) eliciting the most positive amplitudes (AX: M = 9.06 μV, SD = 6.05, p < .001, BX: M = 8.88 μV, SD = 4.44, p < .001, BY: M = 9.48 μV, SD = 4.92, p < .001); a marginally significant main effect of group, F (1, 39) = 3.61, p = .065, η 2 p = .09, with larger amplitudes for the inclusion ( M = 11.51 μV, SD = 6.92) than for the exclusion group ( M = 8.57 μV, SD = 7.09).