|
| M | SD | t | p |
Grade | 1st grade | 6.99 | 3.22 | 0.13 | >0.05 |
2nd grade | 6.89 | 2.83 | |||
Gender | Boys | 7.01 | 3.98 | 0.53 | >0.05 |
Girls | 6.92 | 3.77 |