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Which analysis is better?

6 years ago in Dissertation/Thesis By Naman Bhalla

PhD Thesis

I am dealing with non-normally distributed data, which one would be better to perform non-parametric or the parametric analysis?

All Answers (2 Answers In All)

By Nancy Trivedi Answered 6 years ago

There is no particular answer to this question, using parametric or non-parametric analysis depends on the questions and details of your research design. Non-parametric tests are not assumption free. Their assumptions are dependent on the context. On the other hand, Non-parametric tests have a broad class of models available. It deals with different types and distributions.

By Ritu Gupta Answered 6 years ago

The decision of using parametric or non-parametric is dependent on the fundamental change in the test power. If the study is not getting enough transformation, then, non-parametric would be used, Otherwise parametric tests. Non-parametric tests strongly violate the assumption of normality.

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