Table 4.
Stepwise regression coefficients for analysis predicting English Decoding (raw scores).
| Step no. | Variable | B | SE | β | t | p | Tolerance | VIF | Adj. R 2 | R 2 | ΔR 2 | AIC | BIC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Step 1 | (Constant) | 8.023 | 1.999 | 4.013 | .000 | .518 | .523 | .523 | 400.020 | 405.041 | |||
| Grade | 9.301 | 0.941 | .723 | 9.886 | .000 | 1.000 | 1.000 | ||||||
| Step 2 | (Constant) | 1.681 | 2.860 | 0.588 | .558 | .557 | .567 | .044 | 393.231 | 400.764 | |||
| Grade | 8.647 | 0.928 | .673 | 9.321 | .000 | .944 | 1.059 | ||||||
| Spanish SI | 7.692 | 2.575 | .216 | 2.987 | .004 | .944 | 1.059 | ||||||
| Step 3 | (Constant) | −3.183 | 3.153 | −1.009 | .316 | .596 | .610 | .043 | 385.788 | 395.831 | |||
| Grade | 7.684 | 0.939 | .598 | 8.182 | .000 | .745 | 1.342 | ||||||
| Spanish SI | 8.624 | 2.477 | .242 | 3.481 | .001 | .897 | 1.115 | ||||||
| English D-index | .338 | 0.109 | .219 | 3.084 | .003 | .823 | 1.216 |
Note. B = unstandardized beta coefficient; SE = standard error of the unstandardized beta coefficient; β = standardized beta coefficient; VIF = variance inflation factor; AIC = Akaike information criterion; BIC = Schwarz Bayesian Criterion; SI = subordination index; D-index = lexical diversity.