Diagnosis and Prevention of the Regression Fallacies

The regression phenomenon may seen simple to some technicians. Yet failure to grasp the underlying idea or to connect it to specific problems has led to frequent misinterpretation of data—the so-called “regression fallacy.” Actually, while there is only one regression phenomenon, there are two distinguishable regression fallacies. This article explains the regression phenomenon and shows how the two fallacies can be identified and avoided.