We review and discuss the importance of correlational selection (selection for optimal character combinations) in natural populations. If two or more traits subject to multivariate selection are ...

What is a correlational study? There are many correlational study definitions but I am going to tell you a simple one. The correlational study is the study of the relationship between two variables.

"Correlation does not imply causation" is a basic motto of science. Every scientist knows that observing a correlation between two things doesn't necessarily mean that one of them causes the other.