Table 3 Wilcoxon signed-rank test results for pre- and post-workshop written tests.

From: Transformative impact of pre-service CLIL science workshops on pedagogical content knowledge and language teaching competencies

Criterion (n = 15)

Pre-workshop median (IQR)

Post-workshop median (IQR)

Z

p value

Effect size (r)

Understanding of CLIL PCK (i = 21)

8 (4–10)

17 (16–19)

−3.3

0.001*

0.852

Language teaching methodologies (i = 7)

2 (1–3)

5 (4–5)

−3.099

0.002*

0.800

  1. Significance of p < 0.003125 is indicated by an asterisk (*).
  2. IQR interquartile range, i item.
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