Which of the following tests is analogous to a standard within-subjects ANOVA?FriedmanMann-WhitneyKruskal-WallisWilcoxon
Question
Which of the following tests is analogous to a standard within-subjects ANOVA?
- Friedman
- Mann-Whitney
- Kruskal-Wallis
- Wilcoxon
Solution
The test that is analogous to a standard within-subjects ANOVA is the Friedman test. This is because both tests are used to analyze the differences in means across multiple groups, but the Friedman test is used when the assumptions of the ANOVA (such as normality and homogeneity of variances) are not met. The Friedman test is a non-parametric alternative to the one-way ANOVA with repeated measures. It is used to test for differences between groups when the dependent variable being measured is ordinal. It can also be used for continuous data that has violated the assumptions necessary to run the ANOVA.
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