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Means, Standard Deviations, and Sample Sizes for Accuracy on EF Subtests by Age
| Age | N | Matching Numbers | Planned Codes | Planning Composite | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| 5.0–5.11 | 250 | 7.6 | 3.5 | 7.5 | 1.8 | 7.4 | 1.9 |
| 6.0–6.11 | 330 | 10.3 | 2.2 | 9.6 | 2.2 | 9.6 | 2.1 |
| 7.0–7.11 | 329 | 11.7 | 1.7 | 12.3 | 2.7 | 12.3 | 2.6 |
| 8.0–9.11 | 356 | 7.8 | 2.1 | 7.7 | 2.2 | 7.6 | 2.3 |
| 10.0–11.11 | 284 | 10.4 | 2.5 | 9.3 | 2.3 | 9.4 | 2.3 |
| 12.0–13.11 | 158 | 11.1 | 2.1 | 10.9 | 2.4 | 11.0 | 2.3 |
| 14.0–15.11 | 163 | 11.5 | 2.0 | 12.3 | 2.1 | 12.3 | 1.9 |
| 16.0–17.11 | 166 | 11.7 | 1.7 | 13.0 | 2.1 | 13.0 | 2.0 |
