Effect size statistics are required by most journals and committees these days — for good reason.

They communicate just how big the effects are in your statistical results — something p-values can’t do.

But they’re only useful if you can choose the most appropriate one and if you can interpret it.

This can be hard in even simple statistical tests. But once you get into complicated models, it’s a whole new story. [Read more…] about Member Training: Interpretation of Effect Size Statistics