Table 6.
Mean percentage of correct responses and standard deviation for the simplification task in each grade.
| Grade 4 | Grade 5 | Grade 6 | |
|---|---|---|---|
| 4/10 | 36 ± 8 | 72 ± 11 | 78 ± 10 |
| 9/12 | 20 ± 6 | 54 ± 9 | 62 ± 11 |
| 15/9 | 19 ± 6 | 56 ± 9 | 71 ± 11 |
| 16/4 | 30 ± 6 | 63 ± 10 | 74 ± 9 |
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