Sample | Mental age | Piagetian subscale (relational skills) | Gelman subscale (counting skills) | ||||
n | M | SD | M | SD | M | SD | |
Female | 17 | 4.78 | 1.021 | 7.00 | 5.220 | 3.71 | 3.949 |
Male | 23 | 4.93 | 0.956 | 7.09 | 4.747 | 3.17 | 4.041 |
< 4, 5 years | 18 | - | - | 5.67 | 4.589 | 2.83 | 3.863 |
> 4, 5 years | 22 | - | - | 8.18 | 4.934 | 3.86 | 4.062 |
All | 40 | 4.86 | 0.974 | 7.05 | 4.888 | 3.40 | 3.960 |