Research Survey Question Title * 1. How old are you? OK Question Title * 2. When was the last time you visited a national park? OK Question Title * 3. Did you do a tour when you were there? Yes Don't remember No Clear i We adjusted the number you entered based on the slider’s scale. OK Question Title * 4. Was there a charge fee the last time you did a tour? If so, how much was it and how old were you at the time? OK Question Title * 5. How frequently do you hike? Often Sometimes Every now and then Never OK Question Title * 6. If you have the time, would you be interested in a follow-up interview? Name Email Address Phone Number OK DONE