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research methods

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randomization test

randomization test A randomization test is a statistical method that builds a reference distribution by calculating the study result across all possible random arrangements allowed by the design.

A randomization test is a statistical method that builds a reference distribution by calculating the study result across all possible random arrangements allowed by the design. The observed result is then compared with that distribution to estimate a p-value, without relying on standard distributional assumptions such as symmetry or normality.