The most appropriate time | f | f% |
Preschool period | 16 | 5.3 |
First educational period | 158 | 51.8 |
Second educational period | 113 | 37.0 |
Third educational period | 18 | 5.9 |
Secondary period or later | 0 | 0 |
Entire sample | 305 | 100 |