| 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 |