Table 1.
Descriptive characteristics for children with autism and typically developing children
| Measures | Autistic children (n = 21) | Typically developing children (n = 21) | Group difference (p value) |
|---|---|---|---|
| Gender (n males: n females) | 19:2 | 18:3 | |
| Age (years; months) | |||
| Mean (SD) | 10; 7 (1; 8) | 10; 11 (2; 0) | .59 |
| Range | 8; 6–14; 4 | 8; 2–14; 8 | |
| Verbal abilitya | |||
| Mean (SD) | 102.33 (16.69) | 106.10 (14.37) | .44 |
| Range | 80–137 | 82–132 | |
| Nonverbal abilityb | |||
| Mean (SD) | 36.14 (7.95) | 36.24 (4.84) | .96 |
| Range | 25–48 | 24–45 | |
| SCQ score | |||
| Mean (SD) | 25.43 (5.63) | 4.76 (3.03) | <.001 |
| Range | 18–35 | 1–11 | |
| ADOS-G total scored | |||
| Mean (SD) | 10.64 (3.43) | ||
| Range | 7–20 | ||
aStandard scores on the British Picture Vocabulary Scale—2nd Edition (BPVS; ref)
bRaw scores on Raven’s Standard Progressive Matrices (Raven et al. 1991)
cTotal scores on the Social Communication Questionnaire (SCQ; Rutter et al. 2003)
dADOS-G = Autism Diagnostic Observation Schedule—Generic (Lord et al. 1999); Elevated scores on the SCQ and ADOS-G reflect greater levels of autistic symptomatology