Table 1.
Descriptive characteristics of the autism spectrum disorder sample as a whole
| Variable | M | SD | Minimum | Maximum |
|---|---|---|---|---|
| Age | 10.63 | 2.72 | 6 | 16 |
| WISC-IV PRI | 104.87 | 14.82 | 71 | 144 |
| WISC-IV VCI | 103.59 | 14.84 | 71 | 142 |
| WISC-IV WMI | 96.63 | 12.51 | 71 | 144 |
| WISC-IV PSI | 91.68 | 13.26 | 56 | 131 |
| WISC-IV FSIQ | 99.84 | 13.23 | 70 | 143 |
| Communication | ||||
| ADOS (A) | 4.01 | 1.75 | 0 | 7 |
| ADI-R (B) | 12.21 | 3.99 | 3 | 22 |
| Reciprocal social interaction | ||||
| ADOS (B) | 6.71 | 2.54 | 1 | 13 |
| ADI-R (A) | 14.65 | 5.18 | 1 | 25 |
| Stereotypic/repetitive behavior | ||||
| ADOS (D) | 0.78 | 1.07 | 0 | 6 |
| ADI-R (C) | 3.73 | 2.14 | 0 | 10 |
N = 101, M mean, SD standard deviation, WISC-IV Wechsler intelligence scale for children, fourth version, PRI perceptual reasoning index, VCI verbal comprehension index, WMI working memory index, PSI processing speed index, FSIQ full-scale intelligence quotient, ADOS autism diagnostic observation scale, ADI-R autism diagnostic interview—revised