Table 3.

T-tests comparing signal-to-noise ratios N2 and P3 across automated (APPEAR) and manual (Manual) processing. Cohen’s d value was calculated for each comparison. M and SD represent the mean and standard deviation, respectively.

N2	APPEAR M (SD)	Manual M (SD)	Mean comparison
Fz	−3.31 (3.21)	−3.74 (3.34)	t(7) = 2.12, p = 0.07, d = 0.13
FCz	−3.89 (2.93)	−4.28 (3.34)	t(7) = 1.76, p = 0.12, d = 0.12
Cz	−2.74 (2.47)	−3.37 (3.00)	t(7) = 2.03, p = 0.08, d = 0.23
P3
Fz	5.10 (3.01)	4.44 (2.53)	t(7) = 1.57, p = 0.16, d = 0.23
FCz	7.04 (3.76)	6.50 (3.32)	t(7) = 1.48, p = 0.18, d = 0.15
Cz	7.62 (4.05)	7.21 (3.55)	t(7) = 1.10, p = 0.31, d = 0.11
Pz	5.51 (4.11)	5.26 (3.52)	t(7) = 0.90, p = 0.40, d = 0.06