This Text Provides A Concise And Clearly Presented Discussion Of All The Elements In A Meta-analysis. It Is Illustrated With Worked Examples Throughout, With Visual Explanations, Using Screenshots From Excel Spreadsheets And Computer Programs Such As Comprehensive Meta-analysis (cma) Or Strata. How A Meta-analysis Works -- Why Perform A Meta-analysis -- Effect Size And Precision -- Overview -- Effect Sizes Based On Means -- Effect Sizes Based On Binary Data (2 X 2 Tables) -- Effect Sizes Based On Correlations -- Converting Among Effect Sizes -- Factors That Affect Precision -- Concluding Remarks -- Fixed-effect Versus Random-effects Models -- Overview -- Fixed-effect Model -- Random-effects Model -- Fixed-effect Versus Random-effects Models -- Worked Examples (part 1) -- Heterogeneity -- Overview -- Identifying And Quantifying Heterogeneity -- Prediction Intervals -- Worked Examples (part 2) -- Subgroup Analyses -- Meta-regression -- Notes On Subgroup Analyses And Meta-regression -- Complex Data Structures -- Overview -- Independent Subgroups Within A Study -- Multiple Outcomes Or Time-points Within A Study -- Multiple Comparisons Within A Study -- Notes On Complex Data Structures -- Other Issues -- Overview -- Vote Counting: A New Name For An Old Problem -- Power Analysis For Meta-analysis -- Publication Bias -- Issues Related To Effect Size -- Overview -- Effect Sizes Rather Than P-values -- Simpson's Paradox -- Generality Of The Basic Inverse-variance Method -- Further Methods -- Overview -- Meta-analysis Methods Based On Direction And P-values -- Further Methods For Dichotomous Data -- Psychometric Meta-analysis -- Meta-analysis In Context -- Overview -- When Does It Make Sense To Perform A Meta-analysis? -- Reporting The Results Of A Meta-analysis -- Cumulative Meta-analysis -- Criticisms Of Meta-analysis -- Resources And Software -- Software -- Books, Web Sites And Professional Organizations. Michael Borenstein ... [et Al.]. Includes Bibliographical References And Index.