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WASI-II performance by group (ADHD vs. comparison)
| WASI-II Measure | ADHD (n=205) Scale score (SD) |
Comparison (n=213) Scale score (SD) |
t (416) |
p | Cohen’s d |
|---|---|---|---|---|---|
| Vocabulary Scale Score | 57.33 (8.53) | 57.68 (8.89) | −0.41 | 0.648 | −0.04 |
| Matrix Reasoning Scale Score |
55.40 (9.54) | 54.06 (9.30) | 1.46 | 0.131 | 0.14 |
| FSIQ-2 Estimate | 110.93 (12.68) | 110.57 (11.82) | 0.30 | 0.775 | 0.03 |
