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This article describes and illustrates the adaptation of the linear‐regression‐based decision‐theoretic equations used to estimate the dollar impact of valid selection procedures on workforce productivity to the evaluation of intervention programs designed to improve job performance. The appropriate equations are derived and explained, methods for estimating equation parameters are discussed, and the use of these equations is illustrated by means of a hypothetical example. It is concluded that in the future these methods and equations will allow psychologists to make more accurate assessments of the impact of intervention programs on workforce productivity than has heretofore been the case.
Schmidt et al. (Tue,) studied this question.