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Table 7 Independent Samples t-test (Questionnaire of Both Groups before and after the Treatment)

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
before the Treatment Equal variances assumed .113 .738 −.20 38 .836 −.40 1.91 −4.280 3.48
Equal variances not assumed    −.20 37.74 .836 −.40 1.91 −4.280 3.48
after the Treatment Equal variances assumed 17.93 .000 −11.56 38 .000 −46.20 3.99 −54.28 −38.11
Equal variances not assumed    −11.56 25.13 .000 −46.20 3.99 −54.42 −37.97