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variable taking different values for different groups of subjects

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4 years 2 weeks ago - 4 years 2 weeks ago #92348 by pedrorobalo
Dear all,

This must be relatively simple to do this but I cannot figure how.

Suppose I want 100 subjects (and not more) to answer my survey. I want to create a variable ('var') that takes a value for 50 of them (e.g., var=1), and a different value for the remaining 50 (e.g., var=2). In other words, for 50 of the 100 subjects var=1 and for the remaining 50 var=2.

I don't want anything probabilistic, I want to have exactly 50 subjects for which var=1 and exactly 50 for which var=2.

The two groups of 50 can be randomly determined or determined by ResponseID (or some analogous variable).

Thank you very much for your help. Let me know if I haven't been clear enough.
Last Edit: 4 years 2 weeks ago by pedrorobalo.

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4 years 2 weeks ago #92403 by tpartner
You won't be able to use the response id (SAVEDID} because incomplete response sets get IDs.

I think you will need to make an AJAX call to a remote script that queries the database to find the number of completed surveys.

Cheers,
Tony Partner

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