Pre-test

Post-test

Comparison test

M

SD

M

SD

MD

t

Sig.

Number of words

126.35

20.87

141.39

22.15

-6.28

-4.101

0.000

Length of words

4.36

0.29

4.42

0.29

-0.075

-2.843

0.010

Length of sentences

15.19

6.30

16.26

4.87

-1.12

-3.517

0.011

Complex sentences

8.42

3.32

9.58

3.83

-1.33

-3.926

0.000