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Table 5 Descriptive Statistics regarding the pre-test and post-test of USCG

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

Descriptive Statistics
  N Minimum Maximum Mean Std. Deviation
Pre-test 84 14.00 19.00 16.2262 1.36524
Post-test 84 17.00 20.00 18.8095 .84277
Valid N (listwise) 84