Figure 5: Results from the knowledge test of MED I (Module I) in a boxplot diagram, comparison of test results (pre-test and post-test) of the control group and the course group from three test cycles (June 2020 - October 2020), maximum total score=32 points, negative results possible as well due to a point deduction for wrong answers. Abbreviations: N=subjects of the control group/course group, p-value ***p=0.001; n.s., not significant.