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Table 5 Measures of accuracy in compositions by experimental group and control group

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

Test

Accuracy

Group

N

M

SD

Mean diff.

t

Sig.(2-tailed)

Pre-test

EFT/T

Ex.

26

0.4481

0.1715

0.2899

0.624

0.536

Control

22

0.4191

0.1458

   

E/W × 100

Ex.

26

8.1758

2.6419

−0.2047

−0.253

0.801

Control

22

8.3805

2.9525

   

Post-test

EFT/T

Ex.

26

0.6200

0.1579

0.1386

2.991

0.004*

Control

22

0.4814

0.1625

   

E/W × 100

Ex.

26

4.9296

3.0076

−2.5536

−2.910

0.006*

Control

22

7.4832

3.0546

   
  1. EFT/T error free T-units/T-units, E/W × 100 = errors/hundred words (total number of errors/total number of words × 100)
  2. * p < 0.05