年级 | 实验组 | 对照组 | t | p | |||||
N | M | (SD) | N | M | (SD) | ||||
一年级 | 前 | 8 | 3.10 | (0.73) | 8 | 3.36 | (0.56) | −.982 | 0.343 |
后 | 8 | 4.01 | (0.69) | 8 | 3.42 | (0.47) | 2.219 | 0.043* | |
二年级 | 前 | 18 | 3.70 | (0.48) | 18 | 3.82 | (0.14) | −0.992 | 0.328 |
后 | 18 | 4.15 | (0.46) | 18 | 3.88 | (0.14) | 2.340 | 0.025* | |
三年级 | 前 | 10 | 3.27 | (0.37) | 10 | 3.17 | (0.49) | 0.517 | 0.612 |
后 | 10 | 3.94 | (0.52) | 10 | 3.32 | (0.65) | 2.354 | 0.030* | |
总体 | 前 | 36 | 3.45 | (0.57) | 36 | 3.55 | (0.47) | −0.829 | 0.410 |
后 | 36 | 4.06 | (0.53) | 36 | 3.61 | (0.49) | 3.768 | 0.000* |