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Table 6 Wilcoxon signed-rank test results of pre-post Writing Test Score (N = 16)

From: Effects of using the first principles of instruction in a content and language integrated learning class

Test

Mean

Median

SD

z

p value

Pre-writing

4.19

4.50

1.00

3.535

0.000

Post-writing

9.38

9.50

1.64

  1. *p < 0.05; ** p < 0.01