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Results for significant predictors entered in the stepwise multiple regression analysis.
| Grade | Variable | Predictor | B | Standardized β | t | p |
|---|---|---|---|---|---|---|
| 3 | Total error | Verbal WM | -0.049 | -0.239 | -2.048 | 0.044 |
| Operand-unrelated | Verbal STM | 0.095 | 0.408 | 3.603 | 0.001 | |
| distractor error | Verbal WM | -0.069 | -0.242 | -2.132 | 0.037 | |
| 4 | Total error | Visuo-spatial WM | -0.041 | -0.268 | -2.308 | 0.024 |
