Table II.
Neuropsychological Assessment of Participants
| Domain assessed | Measure | Mean (SD) | Percent performing below averagea | p value of expected to actual percentage of below average performers |
|---|---|---|---|---|
| Visual–motor integration | VMI | 92.8 (13.2) | 23.7 | <.0007b,c |
| Fine motor | Lafayette Grooved Pegboard | 102.1 (10.9) | 7.9 | <.0001b,d |
| Intelligence | Full Scale Intelligence Quotient, WISC-IV | 100.0 (12.1) | 8.7 | <.05b,d |
| Math calculation | Numerical operations, WIAT-II-A | 100.7 (15.6) | 14.6 | .57 |
| Word reading | Word reading, WIAT-II-A | 101.2 (11.5) | 7.1 | <.0001b,d |
Note. VMI = Beery-Buktenica Developmental Test of Visual-motor Integration; WISC-IV = Wechsler Intelligence Scales for Children—Fourth Edition; WIAT-II-A = Wechsler Individual Achievement Test—Second Edition—Abbreviated.
For all tests, the normative mean = 100, SD = 15.
aScore > 1 SD below the mean.
bStatistically significant.
cMore than expected.
dFewer than expected.