Table 2.

Pearson correlations (two-tailed) between the change scores (baseline vs fast-incentive conditions) of P3 amplitude, contingent negative variation (CNV) and reaction time variability (RTV), controlling for effects of age, gender and IQ. Fisher’s z test of significance between two correlation coefficients

	ADHD	Controls	z	p
P3 and CNV	0.01	0.22*	−1.40	0.08
CNV and RTV	−0.09	−0.04	−0.33	0.37
P3 and RTV	0.28*	−0.12	2.67	<0.01

*p = 0.05