Table 2.
Means for behavioral performance and event-related potential (ERP) measures for the high socially anxious group (HSA; n = 23) and the low socially anxious group (LSA; n = 21) for the peer and alone conditions.
| Low Socially Anxious | High Socially Anxious | |||
|---|---|---|---|---|
| Behavior Measures | Peer | Alone | Peer | Alone |
| Error Reaction Time (ms) | 295.01 (21.4) | 300.26 (21.6) | 296.10 (31.2) | 293.61 (29.2) |
| Correct Reaction time (ms) | 350.35 (31.0) | 356.92 (25.5) | 346.62 (34.7) | 344.21 (35.7) |
| Accuracy (%) | 87.45 (.03) | 87.32 (.03) | 87.87 (.03) | 86.76 (.03) |
| ERP’s (µV) | ||||
| ERN | −0.88 (3.3) | −0.90 (3.6) | −2.04 (3.5)* | −1.19 (3.2)* |
| CRN | 4.57 (3.3) | 4.80 (3.1) | 4.77 (2.8) | 4.83 (2.6) |
| ΔERN | −5.45 (3.8) | −5.69 (3.8) | −6.81 (3.6)* | −6.0 (3.0)* |
| Pe | 6.74 (3.6) | 7.05 (3.5) | 6.82 (4.0) | 6.13 (3.5) |
| Correct Pe | 0.25 (1.5) | 0.60 (1.4) | 0.61 (2.0) | 0.56 (1.7) |
| ΔPe | 6.49 (2.8) | 6.44 (2.7) | 6.21 (3.0) | 5.57 (2.7) |
*
p < .05 indicates a difference between the peer condition and the alone condition within each group.