How do you determine which ANOVA test to use?

When determining which ANOVA test to use, several factors need to be considered. Firstly, the type of data being analyzed is crucial. One-way ANOVA is suitable when comparing groups with a single independent variable, while two-way ANOVA is used when there are two independent variables. Secondly, the sample size plays a role, as smaller sample sizes may require nonparametric alternatives. Another important consideration is whether the assumptions of ANOVA are met, including normal distribution and homogeneity of variances among groups. If these assumptions are not met, transformation techniques or nonparametric tests might be necessary. Additionally, the research question and hypotheses guide the choice of ANOVA test, as specific ANOVA models exist for different research designs, such as repeated measures ANOVA or mixed-design ANOVA. Overall, careful consideration of these factors helps determine the appropriate ANOVA test for a given research study.

This mind map was published on 23 July 2023 and has been viewed 134 times.