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ANOVA, or Analysis of Variance, is a hypothesis test used to determine whether there is a significant difference between three or more groups. ANOVA requires your independent variable (IV) to be categorical (these are your groups) and your dependent variable (DV) to be continuous.
Once you have determined ANOVA to be the appropriate hypothesis test, it’s time to begin your calculations. As with all hypothesis tests, begin your ANOVA by identifying your null and alternative hypotheses.
In the video below (originally recorded for my online applied statistics class), I walk you through an example ANOVA. The example I am using in the video is from Statistics for Criminology and Criminal Justice (3rd edition) by Jacinta M. Gau (pages 291-298).
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