CALL-Enhanced L2 Vocabulary Learning: Using Spaced Exposure through CALL to Enhance L2 Vocabulary Retention

Table 3

Independent samples t-test (pretest scores of EG and CG).

		Levene’s test for equality of variances		t-test for equality of means
		F	Sig.	t	df	Sig. (2-tailed)	Mean difference	Std. error difference	95% confidence interval of the difference
									Lower	Upper
Pretest	Equal variances assumed	0.66	0.41	0.92	74	0.35	0.31	0.34	−0.36	0.99
	Equal variances not assumed			0.92	73.88	0.35	0.31	0.34	−0.36	0.99

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