Can Ordinal Data Be Treated as Interval Data?

In statistics, ordinal and nominal variables are both considered categorical variables. Even though ordinal data can sometimes be numerical, not all mathematical operations can be performed on them. ... Overall Likert scale scores are sometimes treated as interval data.

Can you convert ordinal data into interval data?

You cannot convert the ordinal scale into interval scale. You see, by using data manipulation, it will not increase the quality of data.

What is ordinal treated as interval?

It is usually treated as an interval scale, but strictly speaking it is an ordinal scale, where arithmetic operations cannot be conducted. ... Results show that more Likert scale points will result in a closer approach to the underlying distribution, and hence normality and interval scales.