"This book brings a new level of statistical sophistication to the problem of comining quantitative measures from different studies. The book will be widely used and admired." --AMERICAN SCIENTIST"Within its scope and for its intended audience, Statistical Methods for Meta-Analysis is... the best of several books on meta-analysis currently available. It belongs in the libraries of schools of education and of medicine, and in departments of economics, polictical science, psychology, sociology, and statistics. Anyone regularly engaged in meta-analysis will want to own it." --JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION