From the course: Introduction to jamovi

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ANOVA

ANOVA

- [Instructor] If you're working with experimental data then the analysis of variance or ANOVA or ANOVA is going to be a very common method of analyzing your data. What it lets you do, is compare the means of more than two conditions or it lets you compare the means of more than two factors, each of which may have two more more conditions. To demonstrate how this works in jamovi, I'm going to use the tooth growth and data set that you can get as one of these sample data sets. And what it shows is three things. It shows two manipulated variables, which are supp for the vitamin C supplement, it either uses vitamin C or orange juice. And the dosage, which is 500, 1000, or 2000 milligrams, I assume, and how it affects the length of tooth growth in guinea pigs. The idea here is that vitamin C is good for tooth growth. And so let's take a look at how these variables, these two factors each affect the length of tooth growth along with their interaction between the two. To do this we come up…

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