Change Single to Multiple select

Hi all,

My variable Q8 used to be a single select question (radio button).

While my survey was running, I had to change it to a multiple question (checkmarks).

When exporting both Q8 and Q8_1 - Q8_12 I now face the issue that my Q8 variable is empty while my Q8_1 - Q8_12 variables have missings for the cases that answered the survey while Q8 was still a single (radio button) question.

I assumed that changing my Q8 in lighthouse studio would mean that the old single select data would be transformed to a multiple (checkbox-style).

Is there any way to get that data back or is it lost for good?

I have some older exports where I could try to manually add the data from Q8 into the Q8_1 - Q8_12 multiple style but if there is a simpler way that would be great.

Thanks,

Onat

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