Table 2. Correlations among the Baseline Language Sample Measures.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Speech Rate | -- | −.06 | −.12 | .17 | .08 | −.03 | .07 | −.10 | .10 |
| 2. Mean Length Utterance |
−.11 | -- | .09 | .19 | .28** | .30** | .17 | .44** | −.12 |
| 3. Percent with Fillers |
.31** | .41** | -- | −.05 | −.16 | −.03 | −.16 | .15 | −.056 |
| 4. Percent Grammatical |
.10 | .11 | −.12 | -- | .32** | .37** | .12 | .14 | .05 |
| 5. Developmental Level |
−.14 | .26* | −.04 | .16 | -- | .52** | .16 | .01 | .14 |
| 6. Grammatical Index |
−.06 | .25* | .05 | .13 | .55** | -- | .06 | .10 | −.05 |
| 7. Propositional Density |
.16 | .01 | .31** | .13 | .12 | .17 | -- | .46** | .41** |
| 8. Coherence Index |
.14 | .33** | .04 | .02 | −.14 | .09 | .48** | -- | −.19 |
| 9. Type Token Ratio |
−.23* | −.07 | −.41** | .19 | .18 | .13 | .34** | −.13 | -- |
NOTE: Correlations for young adults are reported in the lower-half matrix; those for older adults are reported in the upper-half matrix.
*
p < .05
**
p < .01.