Table 2.

Comparisons of performance in cognitive and social cognition tasks between children with ADHD and healthy controls

Group	HC (n = 40)	ADHD-PLC (n = 50)	ADHD-MPH (n = 50)	Statistics
				ADHD-PLC Vs ADHD-MPH	ADHD-PLC Vs HC	ADHD-MPH Vs HC
Card sorting	101.14	98.51	100.65	F(1,38) = 1.101	t = −0.92	t = −1.70
				P = 0.301	P = 0.358	P = 0.865
				(ηp2 = 0.028)	(ηp2 = 0.10)	(ηp2 = 0.00)
Flanker	87.8	93.93	97.09	F(1,36) = 0.295	t = 1.71	t = 3.16
				P = 0.590	P = 0.091	P = 0.002
				(ηp2 = 0.008)	(ηp2 = 0.035)	(ηp2 = 0.109)
ToM overall	30.32	27.51	28.39	t = −2.090	t = −3.271	t = −2.096
				P = 0.043	P = 0.002	P = 0.039
				(ηp2 = 0.096)	(ηp2 = 0.114)	(ηp2 = 0.050)
ToM1	17.25	15.76	16.47	t = −1.873	t = −2.89	t = −1.91
				P = 0.068	P = 0.005	P = 0.059
				(ηp2 = 0.079)	(ηp2 = 0.091)	(ηp2 = 0.042)
ToM2	9.45	8.35	8.69	t = 1.388	t = −3.179	t = −1.54
				P = 0.173	P = 0.002	P = 0.127
				(ηp2 = 0.045)	(ηp2 = 0.109)	(ηp2 = 0.028)
ToM3	3.62	3.4	3.23	t = 0.774	t = −0.928	t = −0.869
				P = 0.443	P = 0.356	P = 0.387
				(ηp2 = 0.014)	(ηp2 = 0.010)	(ηp2 = 0.009)
Faux pas	3.95	4.04	4.38	t = 2.011	t = 0.028	t = 2.24
				p = 0.051	P = 0.978	P = 0.027
				(ηp2 = 0.090)	(ηp2 = 0.000)	(ηp2 = 0.057)
Control Faux Pas	3.97	3.11	3.71	t = −2.147	t = −3.309	t = −1.049
				p = 0.038	P = 0.001	P = 0.297
				(ηp2 = 0.101)	(ηp2 = 0.114)	(ηp2 = 0.013)

MPH methylphenidate, PLC placebo, ToM theory of mind

Bold values indicate statistical significance p < 0.05