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Table 4 Paired Samples t-test between pre-test and post-test writing of SCG

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

Paired Samples Test

 

Paired Differences

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

Lower

Pair 1

Pre-test – Post-test

−1.42353

.60507

.06563

−1.55404

Paired Samples Test

 

Paired Differences

T

Df

Sig. (2-tailed)

95% Confidence Interval of the Difference

 

Upper

  

Pre-test – Post-test

−1.29302

−21.691

84

.000