Table 2. Main Effects and Interactions for RMANOVAs of ERP Amplitudes.

ERP	Source	df	F	p	Partial η2
P3b—targets
	Dose	2	1.07	0.35	0.04
	Time	1	44.61	<0.001	0.64
	Electrode	2	35.44	<0.001	0.57
	Dose × time	2	13.51	<0.001	0.35
	Dose × electrode	4	3.03	0.04	0.11
	Time × electrode	2	3.32	0.06	0.12
	Dose × time × electrode	4	1.66	0.19	0.06
N1—targets
	Dose	2	0.76	0.48	0.03
	Time	1	1.74	0.20	0.07
	Electrode	2	40.57	<0.001	0.62
	Dose × time	2	0.28	0.75	0.01
	Dose × electrode	4	0.34	0.74	0.01
	Time × electrode	2	1.10	0.33	0.04
	Dose × time × electrode	4	0.29	0.77	0.01
P3a—novels
	Dose	2	0.48	0.62	0.02
	Time	1	30.25	<0.001	0.55
	Electrode	2	18.56	<0.001	0.43
	Dose × time	2	7.29	0.003	0.23
	Dose × electrode	4	2.49	0.07	0.09
	Time × electrode	2	8.47	0.001	0.25
	Dose × time × electrode	4	0.43	0.72	0.02
N1—novels
	Dose	2	0.44	0.64	0.02
	Time	1	0.001	0.97	0.00
	Electrode	2	8.25	0.004	0.25
	Dose × time	2	0.43	0.65	0.02
	Dose × electrode	4	0.59	0.63	0.02
	Time × electrode	2	0.90	0.38	0.04
	Dose × time × electrode	4	0.53	0.60	0.02

Note: p-values reflect the results of the RMANOVAs with degrees of freedom corrected using the Greenhouse–Geisser correction.