TABLE II.
Results are shown for the best-fit models of children's articulation rates. a
| Model: Narrative, Adjusted R2 = 0.76 | β | t | p |
|---|---|---|---|
| (Constant) | 13.89 | 0.000 | |
| Utterance Length | 0.48 | 6.16 | 0.000 |
| Mean Consonant Duration | −1.06 | −7.23 | 0.000 |
| Proportion of Vowel Duration | 0.64 | −2.20 | 0.033 |
| Model: Repetition, Adjusted R2 = 0.90 | |||
| (Constant) | 13.21 | 0.000 | |
| Utterance Length | 0.05 | 2.24 | 0.030 |
| Mean Consonant Duration | −0.88 | −20.05 | 0.000 |
| Proportion of Vowel Duration | 0.77 | −6.20 | 0.000 |
a
Dependent variable: Articulation rate for each speaker averaged across utterances.