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Mann-Whitney U test
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- 1When do you use a Mann-Whitney U test?As an alternative to an independent-samples t-test when the assumptions have been violated
- Data is not normally distributed
- DV is not interval or ratio - 2Should you state why a non-parametric test was run, instead of a parametric?Yes
- 3How to report a Mann-Whitney UU = u value, z value, p = .xxx
z value = standardized test statistic on the SPSS table
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- (PS1813 - Research methods) Psychology Fichas sobre Mann-Whitney U test, creado por Sian Allen el 28/05/2022.
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- Sian Allen
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