Meta-analysis is arguably the most important methodological innovation in the social and behavioral sciences in the last 25 years. Developed to offer researchers an informative account of which methods are most useful in integrating research findings across studies, this book will enable the reader to apply, as well as understand, meta-analytic methods. Rather than taking an encyclopedic approach, the authors have focused on carefully developing those techniques that are most applicable to social science research, and have given a general conceptual description of more complex and rarely-used...

This edition presents an evaluation of fixed versus random effects models for meta-analysis, new methods for correcting for indirect range restriction in meta-analysis, new developments in corrections for measurement error (including how to select the appropriate reliability coefficients to use), a discussion of a new Windows-based program package for applying the meta-analysis methods presented in the book, and a discussion of the theories of data underlying different approaches to meta-analysis. Coverage of these topics along with updated coverage of many other topics makes this book the...