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