A researcher wants to statistically test whether gender and

A researcher wants to statistically test whether gender and political affiliation affect IQ scores. Which test should the researcher use? three-way ANOVA two-way ANOVA within-groups ANOVA one-way ANOVA

Solution

As we want to test the effect of two variables i.e. \'gender\' and \'political affiliation\' on the IQ score, so we will use a Two-Way ANOVA table for this case to test the effect of the two variables.

Hence, Two-way ANOVA is the correct answer.