N | M | SD | ||
性别 | 男 | 101 | 46.18 | 8.693 |
女 | 117 | 49.03 | 12.090 | |
年级 | 1 | 81 | 46.51 | 9.483 |
2 | 34 | 45.50 | 8.561 | |
3 | 47 | 47.38 | 10.832 | |
4 | 56 | 50.70 | 13.088 |