Sample | Mental age | Piagetian subscale (relational skills) | Gelman subscale (counting skills) | ||||
N | M | SD | M | SD | M | SD | |
Current Study | 40 | 58.36 | 11.68 | 7.05 | 4.89 | 3.40 | 3.96 |
Reference* | 254 | 74.74 | 8.27 | 16.53 | 2.96 | 11.82 | 4.63 |
Multi-language* | 83 | 76.27 | 13.35 | 12.58 | 5.24 | 10.07 | 6.01 |
SEN* | 174 | 78.45 | 15.39 | 12.93 | 4.93 | 7.59 | 5.74 |
Whole* | 511 | 76.25 | 12.07 | 14.67 | 4.25 | 10.09 | 5.59 |