Jeanette N. Cleveland
Pennsylvania State University
Edwin A. Fleishman
George tate University
There is a compelling need for innovative approaches to the solution of many pressing problems involving human relationships in today's society. Such approaches are more likely to be successful when they are based on sound research and applications. This Series in Applied Psychology offers publications that emphasize stateof-the-art research and its application to important issues of human behavior in a variety of societal settings. The objective is to bridge both academic and applied interests.
Twenty-five years have passed since the publication of Schmidt and Hunter's (1977) ground-breaking article laying out a model for meta-analysis and its special case of validity generalization (VG). This article and the work that followed changed the face of personnel psychology and has had a profound impact on many other disciplines. There have been many papers, chapters, and books describing, extending, and applying the methods pioneered by Schmidt and Hunter in the last 25 years, but there has never been a comprehensive review describing how this method works, what it has accomplished, and where it is likely to be heading. The present volume fills this void.
Kevin Murphy has assembled a distinguished set of authors, many of whom have made important contributions to the metaanalysis and validity generalization literature, and asked each of them for constructive, critical evaluations of the VG method, its ap-