“…Physicians and other healthcare professionals are tasked with acquiring and maintaining multiple forms of knowledge and cognitive skills, including diagnosis, treatment and management, clinical procedures, interpersonal skills, and basic biological and anatomical knowledge. In recent years, there has been a growing call for a greater reliance upon testing as a studying and learning tool in the health professions (Brown, 2017 , EL: 6; Cilliers, 2015 , EL: 6; Chesluk et al, 2019 ; Fung et al, 2019 , EL: 6; Griffith et al, 2017 ; EL: 6; Kulasegaram & Rangachari, 2018 , EL: 3; Piza et al, 2019 ; EL: 5; Rapp et al, 2014 , EL: 6; Richmond et al 2019 , EL: 6). These calls typically promote testing in regularly spaced intervals in contrast to “cramming” study behavior (an issue we discuss in further detail below); the combination of testing and spacing over time has been termed spaced repetition .…”