TABLE 4.
The analysis of pupil size in Study 2.
| Variable | Spontaneous lie |
Truth |
t | Effect size Cohen’s d | P-value (2-tailed) | ||
| M | SD | M | SD | ||||
| Pupil diameter (mm) | 4.431 | 0.506 | 4.347 | 0.536 | 3.361 | 0.858 | <0.001*** |
Significance codes: ***p < 0.001.
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