The Dutch COVID-19 Notification App: Lessons Learned From a Mixed Methods Evaluation Among End Users and Contact-Tracing Employees

Joris Elmar van Gend   ¹ , MSc ;   Jan Willem Jaap Roderick van 't Klooster   ¹ , IR, PhD ;   Catherine Adriana Wilhelmina Bolman   ² , PhD ;   Julia Elisabeth Wilhelmina Cornelia van Gemert-Pijnen   ³ , PhD

¹ The BMS Lab, Faculty of Behavioural, Management and Social Sciences, University of Twente, Enschede, Netherlands

² Department of Psychology, Open University of the Netherlands, Heerlen, Netherlands

³ Section of Psychology Health & Technology, Department of Technology, Human and Institutional Behavior, Faculty of Behavioural, Management and Social Sciences, University of Twente, Enschede, Netherlands