Before revision:  A three-week pilot studywas conducted with 16 participants who had the motivation to reduce their sedentary behavior.
After revision:  In a 3-week user study, participants were allocated to either an active control group (n=8) or an intervention group (n=8). In the 1-week baseline period, none of the participants had access to the functions in the app. In the following 2-week intervention period, only the intervention group was given access to the visualizations, whereas both groups were asked to make action plans every day and reduce their sedentary behavior.