Raptis S, et al. - This study aimed to assess the association between family physicians’ risk preferences (aversion risk and ambiguity) and therapeutic recommendations (anticoagulation) in the management of atrial fibrillation (AF) for primary stroke prevention by applying concepts from behavioral economics. Physicians’ aversion to ambiguity and willingness to take risks seemed correlated with appropriate therapeutic decisions in the management of AF for primary stroke prevention. There appeared a necessity for further large-scale studies.