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Means and SD (in parenthesis) of the amount of decrement (=absolute difference in percent correct scores between the single-task and the dual-task.) in digit recall due to a competing word recognition task.
| Age-group | 3-digit decrement | 5-digit decrement | N |
|---|---|---|---|
| 7-8 | 35.2 (19.5) | 31.7 (20.8) | 16 |
| 9-10 | 15.6 (11.4) | 30.0 (23.7) | 16 |
| 11-12 | 20.2 (18.0) | 28.5 (17.9) | 16 |
| 13-14 | 7.5 (9.9) | 20.1 (15.9) | 16 |
