You won’t be surprised to learn that there are many different renditions of analysis of variance (ANOVA), each one designed to fit a particular “the averages of more than two groups being compared” situation. One of these, multivariate analysis of variance (MANOVA), is used when there is more than one dependent variable. So, instead of looking at just one outcome or dependent variable, the analysis can use more than one. If the dependent or outcome variables are related to one another (which they usually are—see the Tech Talk note in Chapter 13 about multiple t tests), it would be hard to
...more

