Table 4: Regression models for numeric and arithmetic abilities.

TaskAdjusted r Sample sizeSignificant predictors in the model

Addition decomposition5284Age, MAQ-scale A
Text problems8284Age, grade, MAQ-scale A
Magnitude comparison Arabic2.6284MAQ-scale A
Magnitude comparison number words3.3284MAQ-scale A
Writing number6.7284Age
Reading number6.8284Age
Arithmetic concepts9.6279MAQ-scale A

§ expressed as the proportion of variance in the dependent variable explained by the model.