Table 3. Results of likelihood ratio tests of GLMM.
Cut-off refers to the time interval between the consecutive facial expressions.
| Cut-off | Estimate | Std. Error | Lower CL | Upper CL | χ2 (df) | P-value |
|---|---|---|---|---|---|---|
| 2 seconds | 7.348 | 6.7 * 103 | ||||
| (Intercept) | -3.288 | 0.34 | -4.047 | -2.683 | ||
| facingNonfacing | -1.854 | 0.825 | -4.228 | -0.475 | ||
| 3 seconds | 6.599 | 10.2 * 103 | ||||
| (Intercept) | -2.987 | 0.296 | -3.884 | -2.453 | ||
| facingNonfacing | -1.444 | 0.61 | -3.082 | -0.345 | ||
| 4 seconds | 9.101 | 2.6 * 103 | ||||
| (Intercept) | -2.752 | 0.266 | -3.718 | -2.266 | ||
| facingNonfacing | -1.701 | 0.611 | -3.32 | -0.578 | ||
| 5 seconds | 8.421 | 3.7 * 103 | ||||
| (Intercept) | -2.618 | 0.251 | -3.452 | -2.157 | ||
| facingNonfacing | -1.512 | 0.565 | -3.047 | -0.49 |