The effectiveness of using in-game cards as reward

Research and Practice in Technology Enhanced Learning

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

		Descriptive statistic			t test
		N	Mean	SD	t	df	p
Pre-test	Control	50	72.16	31.123	4.410	127	0.000*
Pre-test	Experiment	79	48.94	27.825	4.410	127	0.000*
Post-test	Control	50	59.12	23.187	1.087	127	0.279
Post-test	Experiment	79	54.13	26.736	1.087	127	0.279
Difference (post-test-pre-test)	Control	50	−13.04	20.671	−5.858	62.225	0.000*
Difference (post-test-pre-test)	Experiment	79	5.19	9.842	−5.858	62.225	0.000*