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Preface to 2nd Edition | |
Preface to 1st Edition | |
Acknowledgements | |
Introduction to Meta-Analysis | |
Integration Research Findings Across Studies | |
General problem and an example | |
Problems with statistical significance tests | |
Is statistical power the solution? | |
Confidence intervals | |
Meta-analysis | |
Role of meta-analysis in the behavioral and social sciences | |
Role of meta-analysis in theory development | |
Increasing use of meta-analysis | |
Meta-analysis in industrial-organizational psychology | |
Wider impact of meta-analysis on psychology | |
Impact of meta-analysis outside psychology | |
Meta-analysis and social policy | |
Meta-analysis and theories of data | |
Conclusions | |
Study Artifacts and Their Impact on Study Outcomes | |
Study Artifacts | |
Sampling error, statistical power, and the interpretation of research literatures | |
When and how to cumulate | |
Undercorrection for artifacts in the corrected standard deviation | |
Coding study characteristics and capitalization on sampling error in moderator analysis | |
A look ahead in the book | |
Meta-Analysis of Correlations | |
Meta-Analysis of Correlations Corrected Individually for Artifacts | |
Introduction and Overview | |
Bare bones meta-analysis: Correcting for sampling error only | |
Artifacts other than sampling error | |
Multiple simultaneous artifacts | |
Meta-analysis of individually corrected correlations | |
A worked example: Indirect range restriction | |
Summary of meta-analysis correcting each correlation individually | |
Exercise 1: Bare bones meta-analysis | |
Exercise 2: Meta-analysis correcting each correlation individually | |
Meta-Analysis of Correlations Using Artifact Distributions | |
Full artifact distribution meta-analysis | |
Accuracy of corrections for artifacts | |
Mixed meta-analysis: Partial artifact information in individual studies | |
Summary of artifact distribution of meta-analysis of correlations | |
Exercise: Artifact distribution meta-analysis | |
Technical Questions in Meta-Analysis of Correlations | |
r versus : Which should be used? | |
r vs. regression slopes and intercepts in meta-analysis | |
Technical factors that cause overestimation of | |
Fixed and random models in meta-analysis | |
Credibility vs. confidence intervals in meta-analysis | |
Computing confidence intervals in meta-analysis | |
Range Restriction in meta-analysis: New technical analysis | |
Criticisms of meta-analysis procedures for correlations | |
Meta-Analysis of Experimental Effects and Other Dichotomous Comparisons | |
Treatment Effects: Experimental Artifacts and Their Impact | |
Quantification of the treatment effect: The d statistic and the point-biserial correlation | |
Sampling error in d values: Illustrations | |
Error of measurement in the dependent variable | |
Error of measurement in the treatment variable | |
Variation across studies in treatment strength | |
Range variation on the dependent variable | |
Dichotomization of the dependent variable | |
Imperfect construct validity in the dependent variable | |
Imperfect construct validity in the treatment variable | |
Bias in the effect size (d statistic) | |
Recording, computational, and transcriptional errors | |
Multiple artifacts and corrections | |
Meta-Analysis Methods for d Values | |
Effect size indices: d and r | |
An Alternative to d: Glass' d | |
Sampling error in the d statistic | |
Cumulation and correction of the variance for sampling error | |
Analysis of moderator variables | |
Correcting d values for measurement error in the dependent variable | |
Measurement error in the independent variable in experiments | |
Other artifacts and their effects | |
Correcting for multiple artifacts | |
Summary of meta-analysis of d values | |
Exercise: Meta-Analysis of d-Values | |
Technical Questions in Meta-Analysis of d Values | |
Alternative experimental designs | |
Within-subjects experimental designs | |
Meta-analysis and the within-subjects design | |
Statistical power in the two designs | |
Threats to internal and external validity | |
Bias in observed d values | |
Use of multiple regression in moderation analysis of d values | |
General Issues in Meta-Analysis | |
General Technical Issues in Meta-analysis | |
Fixed effects versus random effects models in meta-analysis | |
Second order sampling error: General principles | |
Detecting moderators not hypothesized a priori | |
Second order meta-analysis | |
Large N studies and meta-analysis | |
Second order sampling error: Technical treatment | |
The detection of moderator variables: Summary | |
Hierarchical analysis of moderator variables | |
Exercise: Second order meta-analysis | |
Cumulation of Findings Within Studies | |
Fully replicated designs | |
Conceptual replications | |
Conceptual replications and confirmatory factor analysis | |
Conceptual replications: A alternative approach | |
Analysis of subgroups | |
Summary | |
Methods of Integrating Findings Across Studies and Related Software | |
The traditional narrative procedure | |
The traditional voting method | |
Cumulation of p-values across studies | |
Statistically correct vote counting procedures | |
Meta-analysis of research studies | |
Unresolved problems in meta-analysis | |
Summary of methods of integrating studies | |
Computer programs for meta-analysis | |
Locating, Evaluating, and Coding Studies | |
Conducting a thorough literature search | |
What to do about studies with "methodological weaknesses" | |
Coding studies in meta-analysis | |
What to include in the meta-analysis report | |
Information needed in reports of primary studies | |
Appendix: Coding sheet for validity studies | |
Availability and Source Bias in Meta-Analysis | |
Some evidence on bias | |
Effects of methodological quality on mean effect sizes from different sources | |
Multiple hypotheses and other considerations in availability bias | |
Methods for detecting availability bias | |
Methods for correcting for availability bias | |
Summary of Psychometric Meta-Analysis | |
Meta-analysis methods and theories of data | |
What is the ultimate purpose of meta-analysis? | |
Appendix: Windows Based Meta-Analysis Software Package | |
References | |
Author Index | |
Subject Index | |
About the Authors |
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