Table 2.
Cultural and environmental predictors of language area
| df | F | p | Effect size | β | SE | |
|---|---|---|---|---|---|---|
| Intercept | 1 | 2353.8 | <0.001 | 5.183 | 1.845 | |
| Pol | 4 | 40.7 | <0.001 | 0.13 | — | — |
| Sub | 4 | 7.1 | <0.001 | 0.02 | — | — |
| SPDV | 1 | 2.4 | 0.122 | — | −0.102 | 0.067 |
| MGS | 1 | 40.1 | <0.001 | 0.03 | −0.128 | 0.021 |
| NPP | 1 | 27.1 | <0.001 | 0.03 | 11.687 | 2.279 |
Proportion of variation explained = 0.55. Pol, political complexity; Sub, subsistence strategy; SPDV, plant species diversity. The effect size of each of the variables entered into the model is calculated as the change in proportion of variance explained by removing that variable from the model.