I want to design stated-preference experiments.
I have 3 modes of transportation:
and two attributes for each mode:
Each mode has the attribute levels as follows:
But I cannot find the option to fix my modes for each choice set. What I mean is that I want to show all three modes in each choice experiment, like:
Q1. Which mode would you choose?
Q2. Which mode would you choose?
Q3. Q4. ...
Is there anyone can help me design this kind of experiment?
Thank you very much in advance.