Table 2.
Summary of mixed effects regressions predicting child noun types and tokens. Outliers (>3SDs) were excluded from analysis. The interaction of child gender and age improves model fit for noun types, but not for noun token
| Noun types | Noun tokens | |||||
|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |
| (Intercept) | −0.91 (0.07) *** | −0.83 (0.08) *** | −1.09 (0.10) *** | −1.46 (0.12) *** | −1.37 (0.13) *** | −1.67 (0.17) *** |
| Age in mos. | 0.10 (0.00) *** | 0.10 (0.00) *** | 0.12 (0.01) *** | 0.15 (0.01) *** | 0.15 (0.01) *** | 0.18 (0.01) *** |
| Gender | −0.15 (0.07) * | 0.35 (0.14) ** | −0.17 (0.11) | 0.40 (0.23) | ||
| Age*gender | −0.04 (0.01) *** | −0.04 (0.02) ** | ||||
| AIC | 98.94 | 99.68 | 91.08 | 516.95 | 519.26 | 519.97 |
| BIC | 114.86 | 119.58 | 114.97 | 532.87 | 539.17 | 543.86 |
| Log Likelihood | −45.47 | −44.84 | −39.54 | −254.47 | −254.63 | −253.99 |
| Num. obs. | 396 | 396 | 396 | 396 | 396 | 396 |
| Num. groups: subj | 44 | 44 | 44 | 44 | 44 | 44 |
| Var: subj (Intercept) | 0.05 | 0.05 | 0.05 | 0.12 | 0.11 | 0.11 |
| Var: Residual | 0.06 | 0.06 | 0.05 | 0.17 | 0.17 | 0.16 |