“…As the survey is rather comprehensive (total average response time of about 47 minutes for respondents who had moved and 33 minutes for respondents who had not done so), the response rate was limited (between 10.9% and 6.3%, respectively) -also when compared to other studies conducted at the Institute for Transport Planning and Systems (Schmid and Axhausen, 2019b). For this reason, the people that had not replied at all were contacted by phone two weeks after the invitation letters were sent out.…”