We are currently working on a conjoint study composed of 5 attributes with 3 levels each. The last attribute relates to a kind of performance measure and we want to test 3 different design options (award, rating, slider) - again each with 3 levels.
At the moment, we are working with 3 separate files which only differ as regards the last attribute. Is it possible to merge it all together into one file? In other words, I would like:
- to create a single file
- and ensure that respondents are allocate to the three different versions of attribute 5 with a proability of 1/3
- once allocated, attribute 5 should remain the same throughout the choice task for each respondent (each repsondent sees only the award, only the rating or only the slider).
Hope you can help me out.
Many thanks in advance!