David Joachim Grüning

A Longitudinal In-the-Wild Investigation of Design Frictions to Prevent Smartphone Overuse

Smartphone overuse is hyper-prevalent in society, and developing tools to prevent this overuse has become a focus of HCI. However, there is a lack of work investigating smartphone overuse interventions over the long term. We collected usage data from N=1,039 users of one sec over an average of 13.4 weeks and qualitati…