Conjoint Analysis on CommCare

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

Jason,

One option would be generate a random number
https://confluence.dimagi.com/display/commcarepublic/Generating+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
https://confluence.dimagi.com/display/commcarepublic/Setup+a+Question+with+Filtered+Choices.
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 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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