Most of us have heard the phrase "correlation does not equal causation." But understanding how scientists move beyond identifying correlations to establish causation remains a mystery to many.

Let’s look at what correlation means in terms of the relationship between variables. Although our focus will be on positive ...

Note that there is a time lag - cancer usually takes some years to develop. If there is a correlation between a particular factor and an outcome, it does not mean that the factor necessarily ...

Regardless of how many times you hear the phrase "correlation does not imply causation," you can't help but get a little excited when there is data to support a strange relationship. I decided to ...

This relationship may or may not represent causation between the two variables, but it does describe an observable pattern. A negative correlation can be contrasted with a positive correlation ...