A **criterion variable **is another name for a dependent variable. However, the terms aren’t exactly interchangeable: a criterion variable is usually only used in** non-experimental situations**. For example, in statistical modeling applications like multiple regression and canonical correlation which use existing experimental data to make predictions.

## Use in Modeling

In statistical modeling, the **predictor variable** is analogous to an independent variable and is used to predict an outcome (the criterion variable). One of the main differences between independent/dependent and criterion/predictor variables is the concept of **causation**. You can manipulate independent variables in experimental research and imply that manipulation causes some kind of change in the dependent variable. However, in statistical modeling, correlation doesn’t necessarily mean **causation**. All the correlation means is that there is some relationship between the two variables. Therefore, a change in the predictor variable may correlate with a change in the criterion variable but it does not mean the change **caused** anything!

For example, let’s suppose SAT scores are a predictor variable and college GPA is a criterion. You may find through regression analysis that there seems to be a strong correlation between SAT scores and college GPA. However, strong SAT scores do not **cause** high college GPAs! (more likely it has something to do with a number of factors including hours spent studying, time spent working off-campus, socio-economic status etc. etc.).

If you are conducting experimental research, use the terms independent variable and dependent variable. When you perform further studies on that experimental data (in other words, non-experimental research like correlation), the terms criterion and predictor variables should be used.

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**Stephanie Glen**. "Criterion Variable: Definition, Use and Examples" From

**StatisticsHowTo.com**: Elementary Statistics for the rest of us! https://www.statisticshowto.com/criterion-variable-2/

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