Table 3.
Linear mixed models (LMMs).
| Estimate (SE) | df | t | P | |
|---|---|---|---|---|
| Route fidelity (PC1) | ||||
| Body size | −0.12 (0.09) | 24 | −1.38 | 0.190 |
| Age | −0.01 (0.02) | 24 | −0.37 | 0.709 |
| Array | −0.18 (0.11) | 55 | −1.23 | 0.116 |
| Foraging performance (PC2) | ||||
| Body size | −0.21 (0.09) | 24 | −2.36 | 0.03 |
| Age | −0.01 (0.02) | 24 | −0.53 | 0.60 |
LMMs were run on the two principal components (PCs) of the principal component analysis (PCA), using individual identity nested within colony identity as random variables and age, body size and experimental array as fixed variables. Significant effects are highlighted in bold.