Table 6.
Hierarchical regression model of MAP language use scores (N = 71)
| Variable | B | SE | β | t | R | R 2 | Adj. R 2 | ∆R 2 |
|---|---|---|---|---|---|---|---|---|
| Step 1 | .399 | .159** | .134 | .159** | ||||
| Age at current school enrollment | −1.906 | 0.691 | −0.314 | −2.759** | ||||
| Cochlear implant | 16.172 | 9.799 | 0.188 | 1.650 | ||||
| Step 2 | .488 | .239*** | .205 | .080** | ||||
| Age at current school enrollment | −0.600 | 0.826 | −0.099 | −0.726 | ||||
| Cochlear implant | 12.170 | 9.514 | 0.141 | 1.279 | ||||
| Speech and language impairment | 23.554 | 8.903 | 0.364 | 2.646** | ||||
| Step 3 | .537 | .289*** | .245 | .050* | ||||
| Age at current school enrollment | −0.302 | 0.816 | −0.050 | −0.370 | ||||
| Cochlear implant | 4.120 | 9.992 | 0.048 | 0.412 | ||||
| Speech and language impairment | 16.433 | 9.280 | 0.254 | 1.771 | ||||
| Home language | −17.763 | 8.248 | −0.295 | −2.153* | ||||
| Step 4 | .660 | .435*** | .392 | .147*** | ||||
| Age at current school enrollment | 0.294 | 0.747 | 0.049 | 0.394 | ||||
| Cochlear implant | −1.922 | 9.088 | −0.022 | −0.212 | ||||
| Speech and language impairment | 8.784 | 8.535 | 0.136 | 1.029 | ||||
| Home language | 11.185 | 10.216 | 0.186 | 1.095 | ||||
| ASL proficiency | 45.261 | 11.006 | 0.752 | 4.112*** |
Note. ASL = American Sign Language; MAP = Measures of Academic Progress.
*p < .05; **p < .01; ***p < .001.