Table 6.
Hierarchical regression used to predict PA Principal Component
| Model |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Var. | Method | b (SE) | β | Sig. | F | df | p | R2 | Adj R2 | |
| 1 | PPVT4 | Enter | .044 (.010) | .545 | .000 | 11.5 | 2, 40 | .000 | .365 | .333 |
| Age | Enter | .058 (.023) | .314 | .017 | ||||||
| ΔF | df | p | ΔR2 | ΔAdj R2 | ||||||
| 2 | PPVT4 | .040 (.010) | .487 | .000 | 4.8 | 1, 39 | .033 | .070 | .059 | |
| Age | .060 (.022) | .322 | .011 | |||||||
| ATYP | Stepwise | −6.149 (2.799) | −.217 | .033 | ||||||
|
Not in the Equation |
Sig. | |||||||||
| Distortions per Consonant | .557 | Total R2 = 0.435 | ||||||||
| Typical Sound Changes per Cons. | .247 | Total Adjusted R2=0.392 | ||||||||
Notes: PPVT4 = Standard score of the Peabody Picture Vocabulary Test-4; ATYP = Atypical sound changes per consonant