Table 1 –

Descriptive Statistics

No Probe
	M	SD	Skew	Kurtosis	Correlation with WMC
Go Accuracy	98.02	3.53	−2.85	8.71	.267*
No-go Accuracy	57.79	22.07	0.05	−0.81	.163+
d’	2.57	1.04	−0.01	−0.32	.300*
Mean RT	406.78	102.31	1.24	1.71	.023
ISD RT	119.35	47.15	0.97	1.07	−.287*
Probe
	M	SD	Skew	Kurtosis	Correlation with WMC
Go Accuracy	98.39	2.14	−3.25	12.65	.306*
No-go Accuracy	59.93	21.30	0.05	−0.94	.254*
d’	2.70	1.00	−0.08	−0.57	.348*
Mean RT	403.74	94.26	1.15	1.00	.108
ISD RT	117.56	43.19	1.45	3.19	−.319*
On task/on goal	5.72	3.46	0.29	−1.01	.262*
On task/not goal	3.05	2.22	0.68	0.14	.010
Off task/else	1.82	1.93	0.98	0.20	−.252*
Blank	1.42	2.18	2.29	7.06	−.204*

Note. Go accuracy and no-go accuracy are percent correct; Mean RT and ISD RT are ms;

^*indicates p < .05,

⁺indicates p = .056.