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Table 1 Results of first and second post-test knowledge score from both study groups

From: Comparing two methods of education (virtual versus traditional) on learning of Iranian dental students: a post-test only design study

Study groups

First post-test Mean ± SD

Second post-test Mean ± SD

Control group (n = 20)

19.25 ± 5.11

17.26 ± 3.35

Experimental group (n = 15)

22.45 ± 4.41

19.65 ± 4.88

Absolute difference

−3.20

−2.39

Effect size

0.66

0.59