GraphPad Statistics Guide

Two-way ANOVA

Two-way ANOVA

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Two-way ANOVA

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Two-way ANOVA, also called two-factor ANOVA, determines how a response is affected by two factors. For example, you might measure a response to three different drugs in both men and women. Drug treatment is one factor and gender is the other. Is the response affected by drug? By gender? Are the two intertwined? These are the kinds of questions that two-way ANOVA answers.