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Variables created in Analysis belong to the study’s analysis layer. Use them to derive measures from collected answers without adding questions to the participant questionnaire.

Prepare and review a measure

Create a variable through the available analysis controls or ask the assistant to prepare one. Inspect its source questions, expression and output before saving. Review any option scores: these affect means, scale scores and formulas. Check several respondents by hand, including missing answers and boundary values. Use the variable in a chart only after confirming its meaning and population.

Resolve unavailable variables

A variable that cannot be computed remains identifiable but has no values and is unavailable for new selections. Inspect the reason, including source questions removed from the questionnaire. Repair the source or expression before reusing it.

Check the result

Compare derived values and bases with the original answers. Reopen saved outputs after a variable or its scores change.