Table 1.

Psychometric and behavioral data.

	Min	Max	Mean	SD	Median	QR	95% CI Lower Bound	95% CI Upper Bound
Age	7	10	8.6	1.1	8.6	2	8.4	8.8
Hyperactivity/inattention SDQ scores	0	10	4.4	2.5	4	4	3.8	4.9
Separated Hyperactivity SDQ scores	0	4	1.4	1.3	1	2	1.1	1.7
Separated Inattention SDQ scores	0	6	3	1.6	3	2	2.6	3.3
Mean Go reaction time (ms)	537	702	619.6	36	622	55.5	612	627
SD of Go reaction time (ms)	34	129	80.6	15.8	80.5	19	77.4	83.9
Mean Stop-failure reaction time (ms)	481	709	593.3	55.1	594	71.5	581	604
SD of Stop-failure reaction time (ms)	2	146	77.1	26.9	76	28.5	71.5	82.7
Successful “Stop”	22%	94%	63.5%	14.4	65	20.3	60.5	66.4
Successful “Go”	34%	100%	66.7%	19.7	67.5	33.3	62.6	70.7