Improving Consensus Scoring of Crowdsourced Data Using the Rasch Model: Development and Refinement of a Diagnostic Instrument

Christopher John Brady   ¹ , MD, MHS ;   Lucy Iluka Mudie   ¹ , MBBS, MPH ;   Xueyang Wang   ¹ , BS ;   Eliseo Guallar   ² , MD, MPH, DrPH ;   David Steven Friedman   ^{1, 2} , MD, MPH, PhD

¹ Dana Center for Preventive Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States

² Bloomberg School of Public Health, Department of Epidemiology, Johns Hopkins University, Baltimore, MD, United States