Table 1.
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.