I have a 16-item questionnaire that measures responses on a 5 point Likert scale from 1 = none of the time, 3 = some of the time, 5 = all of the time.

I define each item as an ordinal variable; however the 16 items can be summed together to form a total score or several subscale.

is this total score still an ordinal variable or is it now considered a scale variable?


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