Fig. 4From: From tradition to innovation: a comparison of the traditional 4-step approach versus a blended learning modification for technical skills teachingMean teaching time per session, by group. Mean time of the traditional teaching session was 12.61min (SD = 2.80) and of research session 6.76min (SD = 0.99), showing a significant mean difference of 5.85 min (95% CI: 4.96 to 6.75, p < 0.001, t (13.11) between the two groups. Teaching time variability was smaller in the research group (5–8 min) compared to the control group (8–17 min). Note: Horizontal bars show the median, upper and lower end of the box representing 1st and 3rd quartile. Narrow lines above and below the box represent the spread of valuesBack to article page