Fig. 1From: An economical strategy for early medical education in ultrasoundSubjective Reporting of Participant Confidence in Basic Ultrasound Skill. Four sets of bar graphs are displayed. The unshaded bars represent the average response among participants on pre-training survey questions, and the shaded bars represent the average response reported on post-training survey questions. Panel a shows the average responses to questions pertaining to machine operation and basic skills (See Table 2, questions 1–4). Panel b reports data from cardiac sonography questions (see Table 2, questions 5–9). Panel c contains data from questions pertaining to sonography of the lungs and vasculature (see Table 2, questions 10–15). Panel d reports data from questions regarding abdominal and pelvic sonography (see Table 2, questions 16–20)Back to article page