Exam preparation and results
The amount of time students spent on the course in addition to PbL group sessions was similar (median of 3, i.e. 2–3 h in both cPbL and bPbL groups). With respect to the results in the final summative exam, there also was no difference between students attending a bPbL or cPbL group, respectively (Fig. Results in a summative exam consisting of 20 single-choice questions (SCQ). Boxplots depict median, 25th and 75th percentiles. cPbL conventional problem-based learning (