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Table 4 Comparison of test scores within groups

From: Videos of demonstration versus text and image-based material for pre-skill conceptualisation in flipped newborn resuscitation training for medical students: a pilot study

Student group

Test variable

Intervention

Test statistics (z)

Significance (p)

Effect size (r)

Pre

Post

Median (IQR)

Median (IQR)

Traditional (N = 19)

Conceptual knowledge

8.0 (7–9)

9.0 (9–10)

-2.770

0.006**

0.45

Procedural knowledge

7.0 (7–9)

7.0 (7–9)

-0.926

0.355

0.15

Total knowledge

16.0 (13–17)

17.0 (15–19)

-2.289

0.022*

0.37

Experimental (N = 22)

Conceptual knowledge

9.0 (6–9)

10.0 (9–10)

-2.677

0.007**

0.40

Procedural knowledge

6.0 (4.75–7)

8.0 (7–9)

-2.915

0.004**

0.44

Total knowledge

14.5 (11–16)

17.0 (17–19)

-3.141

0.002**

0.47

  1. IQR: Interquartile Range, *p < 0.05, **p < 0.01