Research Article
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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