From the course: Introduction to jamovi
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Friedman test - jamovi Tutorial
From the course: Introduction to jamovi
Friedman test
- [Narrator] One final variation of the analysis of variance that's available in jamovi is what's called the Friedman test or a nonparametric analog to the repeated measures analysis of variance. The idea here is that you have several outcomes that you've measured for a group of people and you're looking for changes across those outcomes. I'm going to demonstrate how this works with the built-in example data from bugs, where people who are rated on the number of demographic variables evaluate insects and how much they want to get rid of them, where those insects vary according to low and high disgust and low and high fright. And they rate it from a zero, meaning you don't want to get rid of it at all, to 10, want to get rid of it immediately. And we've done this analysis before with the standard repeated measures analysis of variance, but we can also do it with the ranked version, the Friedman test. And this is an advantage if you're worried about normality in your data. So most…
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