年级 | 实验组 | 对照组 | T | p | |||||
N | M | (SD) | N | M | (SD) | ||||
一年级 | 前 | 8 | 3.48 | (0.58) | 8 | 3.75 | (0.49) | 0.994 | 0.337 |
后 | 8 | 4.18 | (0.44) | 8 | 3.77 | (0.52) | 1.704 | 0.011* | |
二年级 | 前 | 18 | 3.83 | (0.36) | 18 | 3.72 | (0.18) | 1.178 | 0.247 |
后 | 18 | 4.25 | (0.42) | 18 | 3.79 | (0.16) | 4.329 | 0.000* | |
三年级 | 前 | 10 | 3.03 | (0.23) | 10 | 3.21 | (0.44) | 1.175 | 0.255 |
后 | 10 | 3.97 | (0.29) | 10 | 3.19 | (0.54) | 4.029 | 0.001* | |
总体 | 前 | 36 | 3.53 | (0.51) | 36 | 3.59 | (0.41) | −0.507 | 0.614 |
后 | 36 | 4.16 | (0.40) | 36 | 3.62 | (0.46) | 5.262 | 0.000* |