Fig. 1From: Hip fracture or not? The reversed prevalence effect among non-experts’ diagnosisSample X-ray images. Images of varying levels of difficulty, as judged by our expert radiologist and orthopediatrician. There were three levels of difficulty: difficult (level III, a), medium (level II, b), easy (level I, c), and healthy images as the control (d). Arrow indicates the fracture line (not shown to the participants)Back to article page