Table 2.
Means (Standard Deviations) for all Primary Dependent Variables
| Placebo | Nicotine | |
|---|---|---|
| Stroop Test | ||
| Word score | 110.03 (18.99) | 110.80 (18.89) |
| Color score | 82.95 (14.56) | 82.65 (15.91) |
| Color-word score | 53.55 (9.75) | 56.28 (11.43)* |
| Stroop effect | 28.90 (9.17) | 26.38 (10.05)* |
| Attention Network Test | ||
| Alerting effect | 37.57 (22.11) | 32.48 (20.67) |
| Orienting effect | 46.93 (20.02) | 38.98 (20.64)* |
| Conflict effect | 115.00 (41.74) | 121.07 (41.13) |
| Accuracy | 96.85 (2.99) | 96.55 (3.29) |
| Stop Signal Task | ||
| SSRT | 252.36 (38.57) | 258.06 (39.20) |
| GO-RT | 557.95 (148.50) | 548.44 (180.11) |
| Signal Detection Task | ||
| Response bias: block 1 | .05 (.21) | −.04 (.24) |
| Response bias: block 2 | .09 (.26) | .01 (.26) |
| Response bias: block 3 | .11 (.22) | .06 (.22) |
| BART | ||
| Pumps: 5 cents | 40.94 (17.53) | 43.15 (17.61) |
| Pumps: 10 cents | 34.77 (17.72) | 34.50 (14.99) |
| Pumps: 25 cents | 31.45 (19.37) | 29.98 (15.92) |
| Physiologics | ||
| Heart rate | 64.90 (9.82) | 67.14 (9.96)** |
| Mean arterial pressure | 85.86 (7.09) | 88.00 (8.03)** |
| POMS | ||
| Positive mood | 1.47 (1.04) | 1.43 (.96) |
| Arousal | 1.15 (1.18) | 1.05 (1.15) |
| DEQ | ||
| Feel | 2.14 (4.96) | 8.58 (9.66)*** |
| Like | 24.07 (4.41) | 20.14 (7.17)** |
Note.
*
p<.05,
**
p<.01,
***
p<.001