From the course: Introduction to jamovi
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Computing z-scores - jamovi Tutorial
From the course: Introduction to jamovi
Computing z-scores
- [Instructor] Sometimes, your data comes to you on scales that don't have any inherent meaning or may not be familiar. A one-to-five or one-to-seven agreement scale, while it's common, doesn't have inherent meaning. And if you're comparing income information from Nepal to Turkey to Mexico, you're going to be dealing with different currencies, and you're going to need a way of comparing relative standing. The easiest way to do that is with z-scores or standardized scores. Now, if you've had statistics, you know that that simply takes the score, subtract the mean of the variable, and divide by the standard deviation. And a lot of people show you how you can do that manually. You can set that up in jamovi that way. But there's a much easier way to do that. Let's do this one. We're going to come here and double-click on this empty variable here. And we're going to choose New Computed Variable. And what I'm going to do is I'm going to change this to say z-score, and then I'm going to use…
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