Table 2.
Univariate description of child psychometric tests
| Neuropsychological Scale | N | Mean (SD) | Range |
|---|---|---|---|
| Full Scale IQ | 254 | 108 (12) | (68, 147) |
| Performance IQ | 254 | 111 (13) | (55, 143) |
| Verbal IQ | 254 | 104 (13) | (71, 146) |
| Conner’s ADHD Index | 248 | 51 (12) | (39, 100) |
| Conner’s Hyperactivity | 248 | 49 (10) | (36, 89) |
| Conner’s Cognitive/Inattention | 248 | 48 (11) | (41, 100) |
| Conner’s Oppositional | 248 | 48 (7) | (40, 90) |
| California Verbal Learning-Trial 5 | 255 | 12 (2) | (7, 15) |
| California Verbal Learning-Short Recall | 255 | 11 (2) | (5, 15) |
| California Verbal Learning-Long Recall | 255 | 12 (2) | (5, 15) |
| California Verbal Learning-Perseverations | 255 | 7 (6) | (0, 44) |
| California Verbal Learning-Intrusions | 255 | 3 (4) | (0, 20) |
| Reaction Time (ms) | 253 | 307 (47) | (230, 598) |
| Reaction Time Variability (ms) | 253 | 69 (25) | (23, 184) |
| Finger Tapping Dominant (taps) | 252 | 60 (6) | (40, 77) |
| Finger Tapping Non-Dominant (taps) | 252 | 52 (6) | (36, 69) |
| Luria-Nebraska Motor Sum | 255 | 61 (12) | (35, 101) |