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Table 3 Independent Samples t-test (Pre-test and Posttest of Both Groups)

From: Effects of different text difficulty levels on Iranian EFL learners’ foreign language Reading motivation and Reading comprehension

  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 4.43 .042 1.05 38 .300 .150 .14 −.13 .43
Equal variances not assumed    1.05 36.88 .300 .150 .14 −.139 .439
Posttest Equal variances assumed 1.04 .313 5.42 38 .000 2.65 .48 1.66 3.63
Equal variances not assumed    5.42 37.51 .000 2.65 .48 1.66 3.63