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Table 2 Measures of accuracy for essays in the pre-test and the post-test

From: The effects of data-driven learning activities on EFL learners’ writing development

Group Accuracy Test N M SD 95 % confidence interval of the difference t Sig.(2-tailed)
Lower Upper
Ex. EFT/T Pre-test 26 0.4481 0.1715 −0.1950 −0.1612 −21.692 0.000*
Post-test 26 0.6200 0.1580     
E/W × 100 Pre-test 26 8.1758 2.6419 1.9078 4.5845 4.996 0.000*
Post-test 26 4.9296 3.0076     
  1. EFT/T error free T-units/T-units, E/W × 100 errors per 100 words
  2. * p < 0.05