I find that one of the hardest parts of learning statistics, especially when it involves teaching yourself, is keeping all the terms straight. For example, is there a difference between longitudinal data and panel data? And is logistic regression the same as logit regression (the answers: essentially, no and yes)?
If you’re learning or refreshing your knowledge of multilevel analysis, here’s a useful glossary of key terms and concepts.
This resource was sent to me by a helpful faculty member. If you find these sorts of awesome articles or tutorials, please send them my way (firstname.lastname@example.org). I’d love to share them.