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Industrial and Organizational Psychology:  Perspectives on Science and Practice

Validation is Like Motor Oil: Synthetic is Better

by Jeff W. Johnson, Piers Steel, Charles A. Scherbaum, Calvin C. Hoffman,  P. Richard Jeanneret, and Jeff Foster



Volume 3 Issue 3

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Abstract:

Although synthetic validation has long been suggested as a practical and defensible approach to establishing validity evidence, synthetic validation techniques are infrequently used and not well understood by the practitioners and researchers they could most benefit. Therefore, we describe the assumptions, origins, and methods for establishing validity evidence of the two primary types of synthetic validation techniques: (a) job component validity and (b) the job requirements matrix. We then present the case for synthetic validation as the best approach for many situations and address the potential limitations of synthetic validation. We conclude by proposing the development of a comprehensive database to build prediction equations for use in synthetic validation of jobs across the U.S. economy and reviewing potential obstacles to the creation of such a database. We maintain that synthetic validation is a practically useful methodology that has great potential to advance the science and practice of I/O psychology.

 

 

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