Can a I use the OLS regression model for my questionnaire with 5 point Likert Scale?

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Gordon L Warren

The Likert scale is ordinal data. Ordinary least squares regression assumes that you are using interval or ratio data.

Md Ali Rasel

Thank you, Gordon, for your valuable answer.

FYI, you cannot do arithmetic operations with ordinal data.

If you were summing up several (i.e., 10 or more) Likert scale data, that summed value might mimic interval data such that OLS regression could be used.