Snowball Group Usability Testing for Rapid and Iterative Multisite Tool Development: Method Development Study

Katherine L Dauber-Decker   ^{1, 2} , PhD ;   David Feldstein   ³ , MD ;   Rachel Hess   ⁴ , MS, MD ;   Devin Mann   ^{5, 6} , MD, MS ;   Eun Ji Kim   ^{1, 2} , MS, MSc, MD ;   Pranisha Gautam-Goyal   ⁷ , MD ;   Jeffrey Solomon   ^{1, 2} , BFA ;   Sundas Khan   ^{8, 9} , MD ;   Fatima Malik   ^{1, 2} , MHA ;   Lynn Xu   ⁵ , MPH ;   Ainsley Huffman   ¹⁰ , MS ;   Paul D Smith   ³ , MD ;   Wendy Halm   ¹¹ , DNP, FNP-BC, APNP ;   Alice Yuroff   ³ , PhD ;   Safiya Richardson   ^{5, 6, 12} , MPH, MD

¹ Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United States

² Northwell Health, New Hyde Park, NY, United States

³ University of Wisconsin School of Medicine and Public Health, Madison, WI, United States

⁴ University of Utah Health, Salt Lake City, UT, United States

⁵ Department of Population Health, NYU Grossman School of Medicine, New York, NY, United States

⁶ Department of Health Informatics, Medical Center Information Technology, NYU Langone Health, New York, NY, United States

⁷ Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United States

⁸ Department of Medicine, Baylor College of Medicine, Houston, TX, United States

⁹ Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, TX, United States

¹⁰ Utah Clinical and Translational Science Institute, University of Utah, Salt Lake City, UT, United States

¹¹ University of Wisconsin School of Nursing, Madison, WI, United States

¹² Institute for Excellence in Health Equity, NYU Langone Health, New York, NY, United States