Table 2.
Comparisons of mean Go/No-Go outcome score between Class 1 (high performance) and Class 2 (low performance)
| Mean (SD) | |||
|---|---|---|---|
|
|
|||
| False Alarm Rate (FAR) | Class 1 | Class 2 | p-value |
| Happy | 0.18 (0.12) | 0.29 (0.18) | < 1.0 x 10−5 |
| Neutral | 0.19 (0.11) | 0.32 (0.18) | < 1.0 x 10−5 |
| Letter | 0.21 (0.13) | 0.28 (0.15) | 1.3 x 10−4 |
| Hit Rate (HR) | |||
| Happy | 0.95 (0.04) | 0.86 (0.12) | < 1.0 x 10−5 |
| Neutral | 0.94 (0.05) | 0.85 (0.12) | < 1.0 x 10−5 |
| Letter | 0.97 (0.02) | 0.91 (0.07) | < 1.0 x 10−5 |
| Mean Reaction Time, ms | |||
| Happy | 588.29 (71.99) | 562.12 (80.19) | 0.027 |
| Neutral | 603.43 (70.17) | 564.70 (84.88) | 7.7 x 10−5 |
| Letter | 500.02 (69.30) | 502.70 (75.37) | 0.97 |
| Standard Deviation of Reaction Time, ms | |||
| Happy | 139.75 (22.83) | 203.09 (60.41) | < 1.0 x 10−5 |
| Neutral | 140.22 (21.66) | 211.70 (63.06) | < 1.0 x −5 |
| Letter | 127.59 (24.68) | 178.05 (50.61) | < 1.0 x 10−5 |
Performance parameters of Class 1 (high performance; n = 220) and Class 2 (low performance; n = 100) participants on three Go/No-Go tasks: Happy, Neutral, and Letter, p values reflect Wilcoxon t-test of Class 1 vs Class 2 sample means.