Conjoint Analysis on CommCare

[Jason]

I am wondering if anyone has done a conjoint analysis survey on CommCare?  Basically, we have one question with 36 possible answer options.  But, we only want provide 3 of those answer options at a time and we want the system to randomly select the 3 possible answer options on each separate survey.  Is something like this possible?  Is there a possible work around?  The only work around I can think of is that I limit the possible combinations of 3 answer options to 12 and I set up 12 separate forms, each with a different set of answer options.  Thanks

[William Pride]

Jason,

One option would be generate a random number between 1 and 12 that would encode the set of answers to be displayed. Then you could setup 12 different questions within the form, with each having a display condition such that it will only display for one value of the random number. For example the first question might have the display condition "/data/random_number = '1'" 

You could also do something similar with a random number and filtered options. This would be slightly trickier, but would save you having to create 12 separate questions.

Cheers,

Will

On Fri, Dec 9, 2016 at 6:30 PM, Jason <jru...@gmail.com> wrote:

I am wondering if anyone has done a conjoint analysis survey on CommCare?  Basically, we have one question with 36 possible answer options.  But, we only want provide 3 of those answer options at a time and we want the system to randomly select the 3 possible answer options on each separate survey.  Is something like this possible?  Is there a possible work around?  The only work around I can think of is that I limit the possible combinations of 3 answer options to 12 and I set up 12 separate forms, each with a different set of answer options.  Thanks

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