Think-Aloud Testing of a Companion App for Colonoscopy Examinations: Usability Study

Christine Jacob   ¹ , PhD ;   Roman Müller   ¹ , MSc ;   Sonja Schüler   ¹ , PhD ;   Alix Rey   ^{2, 3} , PhD ;   Guillaume Rey   ² , PhD ;   Berj Armenian   ^{4 *} , MD ;   Alain Vonlaufen   ^{4 *} , MD, PhD ;   Michael Drepper   ^{4 *} , MD ;   Marius Zimmerli   ^{5 *} , MD

¹ FHNW University of Applied Sciences and Arts Northwestern Switzerland, Olten, Switzerland

² Gimini Biosciences SàRL, Geneva, Switzerland

³ International Institute for Management Development, Lausanne, Switzerland

⁴ GGHA Geneva Gastroenterology & Hepatology Associates SA, Geneva, Switzerland

⁵ Clarunis University Digestive Health Care Center, Basel, Switzerland

*these authors contributed equally