Table 2.
Means and Standard Deviations for the WISC–III Subtests
| Autism group
|
Control group
|
|||||||
|---|---|---|---|---|---|---|---|---|
| Subtest | M | SD | M | SD | t | df | p | d |
| Information | 13.05 | 2.48 | 11.68 | 2.29 | 2.59 | 74 | .01 | 0.57 |
| Similarities | 12.08 | 2.79 | 11.18 | 1.86 | 1.64 | 74 | .10 | 0.38 |
| Arithmetic | 11.13 | 4.28 | 11.68 | 2.62 | 0.68 | 74 | .50 | 0.15 |
| Vocabulary | 11.34 | 3.20 | 11.03 | 2.01 | 0.52 | 74 | .61 | 0.12 |
| Comprehension | 7.45 | 3.75 | 10.58 | 2.07 | 4.51 | 74 | .00 | 1.03 |
| Digit Span | 10.39 | 3.47 | 11.03 | 2.84 | 0.87 | 74 | .39 | 0.20 |
| Picture Completion | 10.42 | 2.75 | 11.18 | 2.29 | 1.32 | 74 | .19 | 0.30 |
| Coding | 8.37 | 3.82 | 10.74 | 2.82 | 3.08 | 74 | .003 | 0.71 |
| Picture Arrangement | 9.71 | 3.09 | 10.55 | 2.88 | 1.23 | 74 | .22 | 0.28 |
| Block Design | 11.66 | 3.83 | 11.84 | 3.25 | 0.23 | 74 | .82 | 0.05 |
| Object Assembly | 9.95 | 3.38 | 9.92 | 2.12 | 0.04 | 74 | .97 | 0.01 |
| Symbol Search | 10.12 | 4.21 | 12.25 | 2.35 | 2.55 | 60 | .01 | 0.62 |
Note. WISC–III = Wechsler Intelligence Scale for Children—Third Edition.