Table 1.
The mean (SD) and range and intercorrelations between reciprocal behaviour from the Interactive Drawing Test (IDT; van Ommeren et al. 2012, 2015) and social cognition from the Reading the Mind in the Eyes Test, Child’s Version (RMET-C; Baron-Cohen et al. 2001a, b) and IQ (full scale, verbal and non-verbal subtests) for male and female children and adolescents in the autism/high autistic traits and neurotypical groups
| Autism/high autistic traits (n = 40) | Neurotypical (n = 44) | All participants (n = 84) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male (n = 22) | Female (n = 18) | Male (n = 22) | Female (n = 22) | Associations between variables (r) | ||||||||||
| Mean (SD) | Range | M (SD) | Range | M (SD) | Range | M (SD) | Range | 1 | 2 | 3 | 4 | 5 | 6 | |
| 1. Age (years) | 10.08 (1.75) | 8.08–13.92 | 10.12 (1.43) | 7.92–13.42 | 10.50 (1.40) | 8.58–14.42 | 9.62 (1.01) | 8.08–11.5 | 1 | .10 | − .01 | .19 | .18 | .17 |
| IQ | ||||||||||||||
| 2. Full Scale IQ | 99.55 (17.58) | 76–142 | 99.00 (15.68) | 71–120 | 107.59 (12.36) | 84–128 | 101.41 (14.18) | 70–119 | .10 | 1 | .88* | .89* | .08 | .33** |
| 3. Vocabulary | 52.91 (10.03) | 38–77 | 52.56 (12.16) | 27–67 | 58.95 (7.15) | 45–72 | 57.05 (7.77) | 42–70 | − .01 | .88** | 1 | .57** | .05 | .36** |
| 4. Matrix reasoning | 46.50 (12.34) | 31–72 | 46.39 (9.16) | 35–66 | 49.64 (8.27) | 27–60 | 44.59 (10.05) | 22–60 | .19 | .89** | .57** | 1 | .08 | .22* |
| Social behaviour and social-cognitive ability | ||||||||||||||
| 5. Reciprocal behaviour | 2.16 (1.13) | 0.22–3.92 | 2.91 (0.99) | 1.33–4.63 | 3.22 (1.05) | 1.00–4.53 | 2.86 (1.12) | 1.00–4.60 | .18 | .08 | .05 | .08 | 1 | − .22* |
| 6. Social cognition | 17.68 (4.09) | 9–26 | 17.56 (4.59) | 8–24 | 19.05 (2.50) | 15–23 | 18.32 (3.64) | 12–26 | .17 | .33** | .36** | .22* | − .22* | 1 |
*p < .05, **p < .01