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. Author manuscript; available in PMC: 2009 May 1.

Published in final edited form as: Drug Alcohol Depend. 2008 Mar 6;95(1-2):97–106. doi: 10.1016/j.drugalcdep.2007.12.018

Table 1.

Mean performance scores on the drive test and cued go/no-go task by dose and conflict condition (N=14)

	No Conflict				Conflict				Effects
	Placebo		Alcohol		Placebo		Alcohol		Dose (D)	Conflict (C)	D×C
	M	SD	M	SD	M	SD	M	SD
Drive Test
LPSD (ft)	0.91	0.39	1.08	0.46	0.84	0.28	1.21	0.43	sig^**	ns.	sig^**
Line Crossings	0.93	3.19	2.36	4.91	0.57	1.39	2.57	5.05	sig^*	ns.	ns.
Steer Rate (deg/sec)	6.81	1.61	7.81	2.44	6.77	2.36	7.94	2.50	sig^*	ns.	ns.
Drive Speed (mph)	43.01	9.38	48.92	8.37	58.84	5.86	65.87	9.99	sig^**	sig^**	ns.
Acceleration (ft/sec²)	8.56	1.43	9.27	1.00	9.68	0.66	9.45	0.89	ns.	ns.	sig^*
Brake Onset (ft)	364.4	109.9	359.4	78.1	451.4	105.2	422.2	149.5	ns.	sig^**	ns.
Stopping Failures	0.43	1.09	0.86	1.17	0.50	0.76	2.21	2.00	sig^**	ns.	sig^*
Cued Go/No-go Task
P-inhibition Failures	0.09	0.10	0.07	0.08	0.10	0.09	0.17	0.15	ns.	sig^*	sig^*
Reaction Time (ms)	290.5	28.8	294.8	22.4	268.9	18.6	272.3	25.3	ns.	sig^**	ns.

Note. Effects based on 2 (dose) × 2 (conflict) within-subjects ANOVAs.

^*

p<.05

^**

p<.01.