Table 3. Baseline and plateau conservative bias for each emotional expression.
Confidence intervals estimated by the bootstrap method (N = 10,000). Positive values indicate a bias against categorizing expressions as being of the target emotion.
| Parameter | Emotion | Estimate | 2.5% CI | 97.5% CI | Interpretation |
|---|---|---|---|---|---|
| Baseline conservative bias (z-score) |
Happy | 0.26 | 0.17 | 0.34 | 0 < H < F < A |
| Fearful | 0.82 | 0.75 | 0.89 | ||
| Angry | 1.14 | 1.04 | 1.25 | ||
| Plateau conservative bias (z-score) |
Happy | 0.24 | 0.17 | 0.30 | 0 < A = H < F |
| Fearful | 0.47 | 0.43 | 0.51 | ||
| Angry | 0.15 | 0.10 | 0.21 |