TABLE 2.
Results on the normal distribution for subgroups.
| Kolmogorov–Smirnov |
Skewness |
|||||
| Statistic | Significance | Statistic | Std. error | |||
| Female children | Turkey | Ability-based self-concept | 0.139 | 0.000 | –0.803 | 0.159 |
| Social self-concept | 0.106 | 0.000 | –0.598 | 0.159 | ||
| Physical self-concept | 0.102 | 0.000 | –0.621 | 0.159 | ||
| Germany | Ability-based self-concept | 0.155 | 0.000 | –0.723 | 0.239 | |
| Social self-concept | 0.174 | 0.000 | –0.785 | 0.239 | ||
| Physical self-concept | 0.073 | 0.200 | 0.436 | 0.239 | ||
| Male children | Turkey | Ability-based self-concept | 0.158 | 0.000 | –1.533 | 0.172 |
| Social self-concept | 0.126 | 0.000 | –0.699 | 0.172 | ||
| Physical self-concept | 0.115 | 0.000 | –0.583 | 0.172 | ||
| Germany | Ability-based self-concept | 0.139 | 0.000 | –0.927 | 0.237 | |
| Social self-concept | 0.126 | 0.000 | –0.785 | 0.237 | ||
| Physical self-concept | 0.109 | 0.004 | –0.815 | 0.237 | ||