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ANOVA test includes One-way ANOVA between groups: Used when you want to test two groups to see if there’s a difference between them. Two way ANOVA without replication: Used when you have one group and you’re double-testing that same group. Two way ANOVA with replication: Two groups, and the members of those groups are doing more than one thing.

There are two types of analysis of variance (ANOVA): One-way (or unidirectional) and two-way. The one-way ANOVA is used to determine whether there are any statistically significant differences between the means of three or more independent (unrelated) groups.

A two-way ANOVA is an extension of the one-way ANOVA. With a one-way, you have one independent variable affecting a dependent variable. With a two-way ANOVA, there are two independents.

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