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Fig. 3 | BMC Medical Education

Fig. 3

From: Repeated testing improves achievement in a blended learning approach for risk competence training of medical students: results of a randomized controlled trial

Fig. 3

Mean scores of the pre- vs. post-training test for the intervention (blue) vs. control (grey). The three diagrams compare subgroups with a different score in the profiling test, which addressed basic numeracy plus the awareness of statistical independence and general uncertainty. The vertical lines show the 95% confidence intervals calculated by bootstrapping. The star symbol indicates significant differences between intervention and control group

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