"If ... we choose a group of social phenomena with no antecedent knowledge of the causation or absence of causation among them, then the calculation of correlation coefficients, total or partial, will not advance us a step toward evaluating the importance of the causes at work."
Source : "Adams on Reel Women: In our Jane Lynch Interview the "Wreck-It Ralph" heroine gets animated". Interview with Thelma Adams, www.yahoo.com. February 11, 2013.