Figure 1
From: Long-term follow up of factual knowledge after a single, randomised problem-based learning course
Exam results according to initial randomisation Results of the three exams, obtained directly after the intervention (diamonds), 18 months later after the conventional clinical pharmacology course (triangles), and 27 months later without previous announcement (circles). Each symbol represents the score from an individual student. Closed symbols: original PBL group, open symbols: original LBL group.