On the relationship between mobile-based extramural activities and vocabulary development of EFL learners: a mixed-method study

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Table 2 Results of the independent samples t-test for comparing the pretest score of the experimental group and the control group

	F	Sig	T	Df	Sig. (2-tailed)	Mean difference	SE difference	95% confidence interval of the difference
	F	Sig	T	Df	Sig. (2-tailed)	Mean difference	SE difference	Lower	Upper
Pretest equal variance assumed	0.21	0.625	0.741	56	0.41	0.32	0.42	− 0.55	1.30
Equal variance not assumed			0.741	56.12	0.41	0.32	0.42	− 0.55	1.30