Table 2.
Summary of statistical analyses of behavioral and ERP measures.
| Measure and effect | df | F | p | η 2 |
|---|---|---|---|---|
| Stroop test reaction time | ||||
| Treatment | 1, 38 | 23.83 | <.0001 | .39 |
| Treatment × group | 1, 38 | 5.80 | =.021 | .13 |
| Congruency | 1, 38 | 60.65 | <.0001 | .62 |
| Congruency × group | 1, 38 | 4.62 | =.038 | .11 |
| Stroop test accuracy | ||||
| Treatment × group | 1, 38 | 7.03 | =.012 | .16 |
| Congruency | 1, 38 | 56.31 | <.0001 | .60 |
| Group | 1, 38 | 5.24 | =.028 | .12 |
| Mean averaged P3 amplitude | ||||
| Treatment | 1, 36 | 4.65 | =.038 | .11 |
| Congruency | 1, 36 | 24.66 | <.0001 | .41 |
| Congruency × group | 1, 36 | 9.02 | =.005 | .20 |
| Site | 2, 72 | 71.08 | <.0001 | .66 |
| Site × group | 2, 72 | 14.51 | <.0001 | .29 |
| Mean averaged SP amplitude | ||||
| Treatment × group | 1, 36 | 7.00 | =.012 | .16 |
| Congruency | 1, 36 | 13.23 | =.001 | .27 |
| Site × group | 1, 36 | 4.61 | =.039 | .11 |
Note. Only significant effects were presented.