|
| M | SD | t | p |
Grade | 1st grade | 11.70 | 4.02 | 0.13 | >0.05 |
2nd grade | 11.59 | 3.63 | |||
Gender | Boys | 11.89 | 3.98 | 0.53 | >0.05 |
Girls | 11.45 | 3.77 |