Describe a fictional study in which you name the variables to be studied in the context of a possible research question and to state what type of ANOVA is most appropriate to answer the research question. TIP! t-Tests compare just two groups, while an ANOVA compares three or more groups. Thus, your hypothetical/fictional study should list two variables in which one of the variables (the independent variable) can be split into three or more groups that can be compared on the second variable (the dependent variable).