12 August 2020
It can often be useful to let statistical correlations drive decisions. When you're trying to maximize ROI for your efforts, drilling in on highly correlated parameters helps — many times, this is true even when no causative relationship is established. This page is a concise compilation of "primary predictors," or the main actionable effectors associated with a convincing enumeration of efforts across numerous topics.
Note that inverse correlations are listed here as well; most of the time it should be obvious if this is the case, however. If not, the linked source should be elucidative.