|
Measures
|
Autistic children (n = 64)
|
Typically developing children (n = 85)
|
|---|
|
Age (years)
|
|
M (SD)
|
10.36 (2.36)
|
9.15 (1.87)
|
|
Range
|
6.37–14.70
|
6.00–13.76
|
|
Verbal IQ
|
|
Mean (SD)
|
97.33 (16.36)
|
111.02 (12.16)
|
|
Range
|
57–130
|
79–149
|
|
Performance IQ
|
|
Mean (SD)
|
100.31 (15.40)
|
105.62 (13.21)
|
|
Range
|
73–134
|
75–132
|
|
Full-scale IQ
|
|
Mean (SD)
|
98.58 (14.93)
|
109.47 (11.64)
|
|
Range
|
70–129
|
78–135
|
|
SCQ
|
|
Mean (SD)
|
24.27 (9.01), n = 63
|
3.54 (3.24), n = 84
|
|
Range
|
5–46
|
0–14
|
|
ADOS
|
|
Mean (SD)
|
10.42 (3.75), n = 55
| |
|
Range
|
3–20
| |
- Verbal IQ, performance IQ and full-scale IQ were all measured using the WASI-II (Wechsler 2011)
- SCQ = Social Communication Questionnaire (Rutter et al. 2003). A score of 15 or above indicates elevated levels of autistic symptomology; ADOS = Autism Diagnostic Observation Schedule (Lord et al. 2000, 2012). Scores of 7 or above indicate the presence of an ASD