The Kruskal-Wallis test can be conducted as one or two-tail test.

Name: The Kruskal-Wallis test can be conducted as one or two-tail test.
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The Kruskal-Wallis test is a non-parametric method for comparing three or more independent samples. It assesses whether the populations from which the samples originate have identical distributions. It does not test for specific directional alternatives (i.e., it does not distinguish between "greater than" or "less than"), making it inherently a one-tailed test.

The Kruskal-Wallis Test Can Be Conducted as One or Two-Tail