![]() ![]() For instance, a test that can be performed on a variable of ordinal measurement level can also be performed on a variable of interval measurement level, in which case the interval variable is downgraded to an ordinal variable. Note that theoretically, it is always possible to 'downgrade' the measurement level of a variable. ![]() Variable types required for the kruskal-wallis test : ![]() The kruskal-wallis test requires the following variable types: Whether a statistical method is appropriate for your data is partly determined by the measurement level of your variables. To compare the kruskal-wallis test with other statistical methods, go to Statkat's Comparison tool or practice with the kruskal-wallis test at Statkat's Practice question center Contentsĭeciding which statistical method to use to analyze your data can be a challenging task. The info pages give information about null and alternative hypotheses, assumptions, test statistics and confidence intervals, how to find p values, SPSS how-to’s and more. It is part of Statkat’s wiki module, containing similarly structured info pages for many different statistical methods. This page offers all the basic information you need about the kruskal-wallis test. ![]()
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