Advances in Meta-Analysis

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Springer Science & Business Media, Jan 31, 2012 - Mathematics - 155 pages
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The subject of the book is advanced statistical analyses for quantitative research synthesis (meta-analysis), and selected practical issues relating to research synthesis that are not covered in detail in the many existing introductory books on research synthesis (or meta-analysis). Complex statistical issues are arising more frequently as the primary research that is summarized in quantitative syntheses itself becomes more complex, and as researchers who are conducting meta-analyses become more ambitious in the questions they wish to address. Also as researchers have gained more experience in conducting research syntheses, several key issues have persisted and now appear fundamental to the enterprise of summarizing research.

Specifically the book describes multivariate analyses for several indices commonly used in meta-analysis (e.g., correlations, effect sizes, proportions and/or odds ratios), will outline how to do power analysis for meta-analysis (again for each of the different kinds of study outcome indices), and examines issues around research quality and research design and their roles in synthesis. For each of the statistical topics we will examine the different possible statistical models (i.e., fixed, random, and mixed models) that could be adopted by a researcher. In dealing with the issues of study quality and research design it covers a number of specific topics that are of broad concern to research synthesists. In many fields a current issue is how to make sense of results when studies using several different designs appear in a research literature (e.g., Morris & Deshon, 1997, 2002). In education and other social sciences a critical aspect of this issue is how one might incorporate qualitative (e.g., case study) research within a synthesis. In medicine, related issues concern whether and how to summarize observational studies, and whether they should be combined with randomized controlled trials (or even if they should be combined at all).

For each topic, included is a worked example (e.g., for the statistical analyses) and/or a detailed description of a published research synthesis that deals with the practical (non-statistical) issues covered.


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Chapter 1 Introduction
Chapter 2 Review of Effect Sizes
Chapter 3 Planning a Metaanalysis in a Systematic Review
Chapter 4 Power Analysis for the Mean Effect Size
Chapter 5 Power for the Test of Homogeneity in Fixed and Random Effects Models
Chapter 6 Power Analysis for Categorical Moderator Models of Effect Size
Chapter 7 Missing Data in Metaanalysis Strategies and Approaches
Chapter 8 Including Individual Participant Data in Metaanalysis
Chapter 9 Generalizations from Metaanalysis
Chapter 10 Recommendations for Producing a High Quality Metaanalysis
Chapter 11 Data Appendix

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About the author (2012)

Terri D. Pigott is a Professor of Research Methodology in Loyola University Chicago's School of Education. Her research interests are in developing new methods for meta-analysis, and the use of meta-analysis in public policy.

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