Figure 1. The Study Sites.
3. Structure of the Questionnaire and Sampling Plan
The questionnaire is divided into three sections. The first section gathers
information about this visit. Specifically, we ask respondents how many trips were taken
Figure 1. The Study Sites.
3. Structure of the Questionnaire and Sampling Plan
The questionnaire is divided into three sections. The first section gathers
information about this visit. Specifically, we ask respondents how many trips were taken