longitudinal survey

3 years 11 months ago #95197 by Jes1
I'm trying to create a 3 part survey over the time period of 6 months, with each survey being unique from the others. I need to be able to identify which survey belongs to which respondent so that I can track how the responses have changed between the surveys for each respondent. I believe the only way to create this type of tracking system is through tokens. Is this a correct assumption? If tokens is the only tracking option, is there a way that I can remind a respondent of their personal token for the second and third survey and how do I set up that second and third survey so that those surveys will be respectively tied to that specific respondent? Thank you for any and all help that you can provide.

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3 years 10 months ago #95647 by bsanson
maybe there is a solution using the panel functions.

Anyhow, I can suggest the following workaroud:

You build one survey, with three groups of questions.
With a filter for each group.
the filter would be based on time (use the function mktime and compare a fixed date determining if the group is available for answers.

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