Table 5.
Stepwise regression coefficients for analysis predicting English Reading Comprehension (raw scores).
| Step no. | Variable | B | SE | β | t | p | Tolerance | VIF | Adj. R 2 | R 2 | ΔR 2 | AIC | BIC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Step 1 | (Constant) | 6.998 | 1.208 | 5.795 | .000 | .475 | .481 | 308.251 | 313.27 | ||||
| Grade | 5.159 | 0.568 | .693 | 9.079 | .000 | 1.000 | 1.000 | ||||||
| Step 2 | (Constant) | 3.837 | 1.381 | 2.778 | .007 | .548 | .558 | .077 | 295.645 | 303.18 | |||
| Grade | 4.477 | 0.555 | .602 | 8.061 | .000 | .902 | 1.109 | ||||||
| English D-index | 0.261 | 0.067 | .292 | 3.914 | .000 | .902 | 1.109 | ||||||
| Step 3 | (Constant) | −0.904 | 1.802 | −0.502 | .617 | .607 | .620 | .062 | 283.915 | 293.96 | |||
| Grade | 3.949 | 0.537 | .531 | 7.360 | .000 | .840 | 1.190 | ||||||
| English D-index | 0.289 | 0.063 | .324 | 4.624 | .000 | .888 | 1.126 | ||||||
| Spanish SI | 5.328 | 1.416 | .258 | 3.764 | .000 | .930 | 1.075 |
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; D-index = lexical diversity; SI = subordination index.