The number of students

Test scores (mean ± standard deviation)

Before the experiment

After the experiment

Score Difference of Pre-test and Post-test

Experimental Class

18

76.30 ± 6.36

83.04 ± 5.81

6.74 ± 2.46

Control class

18

77.61 ± 5.48

79.40 ± 5.56

1,79 ± 2.11

P Value

0.265

0.002

0.000