Stop falling for misleading headlines. Understand the difference between correlation and causation, and learn how researchers prove real scientific facts.

Most studies include multiple response variables, and the dependencies among them are often of great interest. For example, we may wish to know whether the levels of mRNA and the matching protein vary ...

This article deals with the use and misuse of the correlation coefficient when the dependent variable is of a dichotomous 0,1 nature. It focuses particularly on problems relating to curvilinearity and ...

IT was in experimental psychology that the methods of rank, correlation were first introduced, and Spearmants coefficient ρ has been familiar to statistician for many years. More recent work on the ...