Table 1. Participant characteristics.
| Age (years) | Girls: Boys | WASI Vocabulary | WASI Matrix Reasoning | |||||
|---|---|---|---|---|---|---|---|---|
| Raw scores | Standardised scores | Raw scores | Standardised scores | |||||
| Age group | n | M (SD) | Range | n | M (SD) | M (SD) | M (SD) | M (SD) |
| 12y | 25 | 12.14 (0.30) | 11.75–12.67 | 13:12 | 33.01 (3.51) | 105.82 (8.63) | 19.00 (3.46) | 103.54 (13.28) |
| 13y | 25 | 13.26 (0.31) | 12.75–13.75 | 17:8 | 33.12 (3.69) | 102.16 (9.87) | 18.12 (3.14) | 97.45 (10.41) |
| 14y | 21 | 14.32 (0.29) | 13.92–14.75 | 9:12 | 33.71 (5.02) | 100.65 (12.08) | 19.67 (2.92) | 101.22 (11.14) |
| 15y | 19 | 15.21 (0.35) | 14.75–15.75 | 12:7 | 35.26 (3.21) | 101.43 (7.94) | 18.32 (4.06) | 95.19 (13.27) |
Age groups did not differ in raw Vocabulary scores, p = .238, raw Matrix Reasoning scores, p = .423, or gender distribution, p = .332.