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Factor analysis of the seven number processing subtests (N = 262)
| I Calculation |
II Magnitude Comparison |
|
|---|---|---|
| Exact addition | .79 | .19 |
| Exact subtraction | .85 | .23 |
| Exact multiplication | .86 | .08 |
| Approximate addition | .78 | .32 |
| Approximate subtraction | .81 | .27 |
| Number comparison | .09 | .88 |
| Proximity judgment | .37 | .68 |
Values are factor loadings. Bold face type indicates the factor on which the item loaded most strongly.
