What is a one way ANOVA?

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Kate M.
Jan 4, 2017

A one-way ANOVA is an ANOVA where you have one independent variable that has more than two condition. For two or more independent variables, you would use a two-way ANOVA.

Explanation:

A one-way ANOVA is an ANOVA where you have one independent variable that has more than two conditions.

This is in contrast with a two-way ANOVA where you have two independent variables and each have multiple conditions.

For example, you would use a one-way ANOVA if you wanted to determine the effects of coffee brands on heart rate. Your independent variable is the coffee brand.

You would use a two-way ANOVA if you wanted to determine the effects of coffee brands and self-reported anxiety levels on heart rate. Your two independent variables are 1) coffee brand and 2) self-reported anxiety level.

Table created by KM

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