Table 1.
Descriptive statistics of phenotypic measures
| n | Mean (SD) | Range | |
|---|---|---|---|
| Reading (Rasch scale) | 520 | 391.55 (95.42) | −47, 703 |
| Spelling (Rasch scale) | 520 | 422.79 (118.26) | −99, 717 |
| Raven's Colored Progressive Matrices (CPM) (percentiles) | 520 | 62.58 | 18, 100 |
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