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Table 2 Independent sample t-test between structured and unstructured groups

From: The effect of structured versus unstructured collaborative pre-writing task on writing skills of the Iranian EFL students

Independent Samples Test
  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
Scores Equal variances assumed 8.644 .004 5.360 167 .000 .89188 .16641 .56334 1.22041
Equal variances not assumed    5.372 145.883 .000 .89188 .16602 .56376 1.21999