Figure 3.

(a) Theoretical learning results of individual trainees and test groups assessed with MCQ in a pre-course (Pre) and post-course (Post) testing. Box plots represent the 25th and 75th percentiles with median. Dashed line indicates an arbitrary defined pass level of 60% (b) Number of trainees who correctly answered MCQ. Each symbol represents an independent question sorted by related categories. (c) Test for visual perceptive skills, where trainees had to identify characteristic physiologic or pathologic ultrasound findings, each shown in a 10 sec video clips. Dashed line indicates an arbitrary defined pass level of 60%. (d) Numbers of trainees who obtained a correct answer during visual perceptive skill test. Each symbol represents a video-clip sorted by related categories.