marginally significantp = .063
Also, the main effect of group was marginally significant, F (1,33) = 3.7, p = .063, η g 2 = 0.04, with marginally more negative N400 amplitudes in the engineering ( M = −1.04, 95% CI [−1.5, −0.6]) than nonengineering ( M = −0.45, 95% CI [−0.9, 0.0]) students.