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Table 15 Independent t test result for students’ academic achievements in different groups

From: The effectiveness of using in-game cards as reward

 

Descriptive statistic

t test

N

Mean

SD

t

df

p

Pre-test

Control

50

72.16

31.123

4.410

127

0.000*

Experiment

79

48.94

27.825

Post-test

Control

50

59.12

23.187

1.087

127

0.279

Experiment

79

54.13

26.736

Difference (post-test-pre-test)

Control

50

−13.04

20.671

−5.858

62.225

0.000*

Experiment

79

5.19

9.842

  1. *p < 0.05