crossed random effects

Confusing Statistical Term #10: Mixed and Multilevel Models

April 20th, 2021 by

What’s the difference between Mixed and Multilevel Models? What about Hierarchical Models or Random Effects models?

I get this question a lot.

The answer: very little.


When Does Repeated Measures ANOVA not work for Repeated Measures Data?

September 8th, 2014 by

Repeated measures ANOVA is the approach most of us learned in stats classes for repeated measures and longitudinal data. It works very well in certain designs.

But it’s limited in what it can do. Sometimes trying to fit a data set into a repeated measures ANOVA requires too much data gymnastics. (more…)