Table 3.
Values of final models derived from GLMMs for all response variables
| Variable | Subset | Final model | Coefficients | Estimate | SE | CI (2.5%) | CI (97.5%) | z | P |
|---|---|---|---|---|---|---|---|---|---|
| Scan flights | Experimental phase | Intercept | 1.886 | 0.041 | 1.805 | 1.964 | 45.47 | <0.001 | |
| Experimental phase (baseline versus treatment) | 0.155 | 0.055 | 0.048 | 0.262 | 2.84 | <0.005 | |||
| F♂F♀ | Intercept | 1.852 | 0.066 | 1.722 | 1.982 | 27.92 | <0.001 | ||
| Experimental phase (baseline versus treatment) | 0.268 | 0.081 | 0.109 | 0.426 | 3.31 | <0.001 | |||
| F♂U♀ | Intercept | 1.962 | 0.113 | 1.741 | 2.183 | 17.39 | <0.001 | ||
| Experimental phase (baseline versus treatment) | −0.089 | 0.117 | −0.317 | 0.140 | −0.76 | 0.450 | |||
| U♂F♀ | Intercept | 1.880 | 0.088 | 1.707 | 2.052 | 21.34 | <0.001 | ||
| Experimental phase (baseline versus treatment) | 0.231 | 0.114 | 0.008 | 0.453 | 2.03 | 0.042 | |||
| U♂U♀ | Intercept | 1.880 | 0.008 | 1.707 | 2.052 | 21.34 | <0.001 | ||
| Experimental phase (baseline versus treatment) | 0.078 | 0.117 | −0.151 | 0.308 | 0.67 | 0.500 | |||
| Number of birds perched in trees near loudspeaker | Familiarity pairing | Intercept | 1.853 | 0.115 | 1.627 | 2.079 | 16.07 | <0.001 | |
| F♂F♀ versus F♂U♀ (F♂F♀=0, F♂U♀=1) |
−0.569 | 0.206 | −0.972 | −0.165 | −2.76 | 0.006 | |||
| F♂F♀ versus U♂F♀ (F♂F♀=0, U♂F♀=1) |
−0.469 | 0.204 | −0.869 | −0.068 | −2.29 | 0.022 | |||
| F♂F♀ versus U♂U♀ (F♂F♀=0, U♂U♀=1) |
−0.478 | 0.205 | −0.879 | −0.077 | −2.34 | 0.019 | |||
| F♂U♀ versus U♂F♀ (F♂U♀=0, U♂F♀=1) |
0.100 | 0.240 | −0.371 | 0.571 | 0.42 | 0.677 | |||
| F♂U♀ versus U♂U♀ (F♂U♀=0, U♂U♀=1) |
0.091 | 0.240 | −0.380 | 0.562 | 0.38 | 0.706 | |||
| U♂F♀ versus U♂U♀ (U♂F♀=0, U♂U♀=1) |
−0.010 | 0.239 | −0.478 | 0.459 | −0.04 | 0.968 | |||
| F♂F♀ | Intercept | 1.738 | 0.166 | 1.413 | 2.063 | 10.48 | <0.001 | ||
| Experimental phase (baseline versus treatment) | 0.233 | 0.084 | 0.067 | 0.398 | 2.76 | 0.006 | |||
| F♂U♀ | Intercept | 1.493 | 0.107 | 1.284 | 1.702 | 14.01 | <0.001 | ||
| Experimental phase (baseline versus treatment) | −0.353 | 0.157 | −0.662 | −0.045 | −2.24 | 0.025 | |||
| U♂F♀ | Intercept | 0.524 | 0.256 | 0.023 | 1.023 | 2.05 | 0.040 | ||
| Experimental phase (baseline versus treatment) | 0.340 | 0.214 | −0.079 | 0.760 | 1.59 | 0.110 | |||
| U♂U♀ | Intercept | 0.618 | 0.324 | −0.016 | 1.252 | 1.91 | 0.056 | ||
| Experimental phase (baseline versus treatment) | 0.041 | 0.213 | −0.376 | 0.458 | 0.19 | 0.848 | |||
| ‘Haa’ calls | Intercept only | Intercept | 1.452 | 0.038 | 1.377 | 1.527 | 38.0 | <0.001 | |
| Defensive calls | Intercept only | Intercept | 2.597 | 0.024 | 2.550 | 2.644 | 108.0 | <0.001 |
CI = confidence interval, z = effect size. For experimental phase, baseline = 0 and treatment = 1.