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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