Table 6.

Internal consistency of pediatric ERP peak amplitude and mean amplitude studies.

Paper	Age(s)	Sample Size	Consistency Measure	ERP Measure(s)	Consistency
Jetha et al. (2021)	Kindergarten - 1st grade	N = 110	Spearman Rho (rank order stability)	P1 Peak (O1)	0.59
				P1 Peak (O2)	0.64
				P1 Peak (Oz)	0.69
				N170 Peak (P7)	0.67
				N170 Peak (P8)	0.54
				VPP Peak (Fz)	0.59
				VPP Peak (FC1)	0.62
				VPP Peak (FC2)	0.56
				VPP Peak (Cz)	0.65
Meyer et al. (2014)	8–13 years	N = 44	Spearman-Brown	ERN Peak (Fz) Flanker	0.67
				ERN Peak (Cz) Flanker	0.85
				ERN Peak (Fz) Go-NoGo	0.38
				ERN Peak (Cz) Go-NoGo	0.50
Hämmerer et al. (2012)	Children (mean age = 10.15 years)	N = 45	Spearman-Brown	Go-P3 Peak	0.81
	Adolescents (mean age = 14.38 years)	N = 46	Spearman-Brown	Go-P3 Peak	0.91
Luking et al. (2017)	8–14 years	N = 177	Spearman-Brown	ERN Gain Mean	0.85
				ERN Loss Mean	0.86
				ERN Difference (Gain-Loss) Mean	0.36
Morales et al. (2022)	4–9 years	N = 326	Spearman-Brown	ERN Correct Mean	0.96
				ERN Error Mean	0.80
				Pe Correct Mean	0.98
				Pe Error Mean	0.89
Pontifex et al. (2010)	8–11 years	N = 83	Cronbach's α	ERN Mean	at least 0.90
				Pe Mean	at least 0.90