Table 5.
Effects included in the final regression model.
| Effect | Degrees of freedom | Chi-square value | p |
|---|---|---|---|
| Allomorph | 2 | 8.04 | .018 |
| Sentence position | 1 | 1.70 | .192 |
| Morpheme | 4 | 12.51 | .014 |
| Word final s/z skills | 1 | 1.77 | .183 |
| 4-kHz SL hearing | 1 | 16.10 | <.0001 |
| GFTA-II raw score | 1 | 12.70 | .0004 |
| Allomorph × 4-kHz SL | 2 | 12.23 | .002 |
| Allomorph × Word Final s/z | 2 | 6.86 | .03 |
| Allomorph × GFTA-II | 2 | 7.02 | .03 |
| Sentence Position × Word Final s/z | 1 | 9.81 | .002 |
Note. Denominator degrees freedom = 1032. GFTA-II = Goldman-Fristoe Test of Articulation–Second Edition; SL = sensation level.