Characteristics | Typical development (TD) | Autism spectrum disorders (ASD) | |||||
---|---|---|---|---|---|---|---|
(n = 28) | (n = 12) | ||||||
χ 2 | df | P | |||||
Male: female | 15:13 | 9:3 | 1.607 | 1 | 0.205 | ||
Mean | SD | Mean | SD | U | P | ||
Age (months) | 134.1 | 31.1 | 119.3 | 31.9 | 109 | 0.081 | |
Estimated IQ | 102.6 | 17.8 | 102.0 | 15.0 | 78.5 | 0.788 | |
Social responsiveness scale T-score | |||||||
Total score | 47.3 | 9.3 | 73.8 | 17.3 | 23 | 0.000** | |
Social awareness | 45.4 | 10.9 | 65.6 | 12.0 | 25 | 0.000** | |
Social cognition | 47.8 | 7.5 | 73.5 | 12.5 | 16.5 | 0.000** | |
Social communication | 47.7 | 8.5 | 70.2 | 19.8 | 38.5 | 0.000** | |
Social motivation | 45.2 | 9.4 | 57.8 | 17.1 | 87.5 | 0.017* | |
Autistic mannerisms | 51.6 | 11.5 | 82.3 | 18.0 | 24.5 | 0.000** |