组别平均分(total = 100)

标准差

配对样本

独立样本t检验

Pre-test

Post-test

Gain

Pre-test

Post-test

t p

tp

实验班

60.11

71.42

11.31

15.191

11.939

−27.85

.000

−2.562

.000

对照班

61.30

68.08

6.78

13.192

13.740

−16.920

.00

3.822

.000