| List of Tables | p. ix |
| List of Figures | p. xiii |
| Preface: Focus and Coverage | p. 1 |
| The Theory of Meta-Analysis--Sampling Error and the Law of Small Numbers | p. 5 |
| General Overview of Meta-Analysis | p. 8 |
| Topic Selection--Defining the Research Domain | p. 11 |
| Specifying the Inclusion Criteria | p. 11 |
| Searching for and Locating Relevant Studies | p. 12 |
| Selecting the Final Set of Studies | p. 12 |
| Extracting Data and Coding Study Characteristics | p. 14 |
| Deciding to Keep Separate or to Aggregate Multiple Data Points (Effect Sizes or Correlations) From the Same Sample--Independence and Nonindependence of Data Points | p. 16 |
| Testing for and Detecting Outliers | p. 17 |
| Data Analysis--Calculating Mean Effect Sizes or Correlations, Variability, and Correcting for Artifacts; Deciding to Search for Moderators; and Selecting and Testing for Potential Moderators | p. 17 |
| Interpreting Results and Making Conclusions | p. 17 |
| Analyzing Meta-Analytic Data and the Advantages of the SAS PROC MEANS Approach | p. 18 |
| Summary | p. 20 |
| Meta-Analysis of Effect Sizes | |
| Introduction and Overview | p. 21 |
| Calculation of Summary Statistics | p. 22 |
| Estimation of Sampling Error Variance | p. 26 |
| Confidence Intervals | p. 32 |
| Correcting Summary Statistics for Artifacts--Criterion Reliability | p. 34 |
| Chi-Square Test for Homogeneity | p. 36 |
| SAS Printout for Training Effectiveness Example | p. 37 |
| Meta-Analysis Results Summary Table and Interpretation of Results for Training Effectiveness Example Used in Tables 2.1, 2.2, 2.4, and 2.6 | p. 39 |
| Interpretation of Results Presented in Table 2.7 | p. 39 |
| Conducting Moderator Analysis in the Meta-Analysis of Effect Sizes | p. 40 |
| Analysis of Moderator Variables | p. 42 |
| Fully Hierarchical Moderator Analysis | p. 46 |
| Interpretation of Results Presented in Table 2.13 | p. 53 |
| Summary | p. 54 |
| Meta-Analysis of Correlations | |
| Introduction and Overview | p. 57 |
| Statistical Artifacts | p. 58 |
| Sampling Error | p. 59 |
| Error of Measurement--Independent (Predictor) and Dependent Variable (Criterion) Unreliability | p. 59 |
| Range Variation and Restriction in the Independent and Dependent Variable | p. 60 |
| Dichotomization of Variables | p. 60 |
| Imperfect Construct Validity in the Independent Variable | p. 60 |
| Imperfect Construct Validity in the Dependent Variable | p. 61 |
| Errors in Data--Computational and Typographical Errors in Data | p. 61 |
| Individually Corrected Versus Artifact Distribution-Based Corrections | p. 62 |
| Interactive Versus Noninteractive Artifact Distribution-Based Corrections | p. 63 |
| Calculation of Summary Statistics | p. 63 |
| Estimation of Sampling Error Variance | p. 65 |
| Chi-Square Test for Variation Across Studies (Data Points) | p. 70 |
| Confidence Intervals | p. 71 |
| Correcting Summary Statistics for Multiple Attenuating Artifacts | p. 75 |
| Artifact Distributions | p. 78 |
| Compound Attenuation Factor | p. 79 |
| [rho](rho)--Estimate of Fully Corrected Population Correlation | p. 80 |
| Compound Variance Factor | p. 81 |
| Variance due to Attenuating Artifacts | p. 81 |
| True (Residual) Variance in rs | p. 82 |
| Total Variance Accounted for by Sampling Error and Attenuating Artifact Factors | p. 82 |
| Variance of [rho] (rho) | p. 83 |
| Conducting Moderator Analysis in the Meta-Analysis of Correlations | p. 85 |
| Credibility Intervals | p. 87 |
| Confidence Intervals | p. 89 |
| Chi-Square Test for Homogeneity of Corrected Correlations | p. 91 |
| Analysis of Moderator Variables | p. 93 |
| SAS Printouts for Mental Rotation Test Validity Example | p. 96 |
| Meta-Analysis Results Summary Table and Interpretation of Results for Mental Rotation Test Validity Example in Tables 3.1 Through 3.6 | p. 99 |
| Interpretation of Results Presented in Table 3.7 | p. 103 |
| Fully Hierarchical Moderator Analysis | p. 104 |
| Interpretation of Results Presented in Table 3.12 | p. 110 |
| Summary | p. 113 |
| Outliers in Meta-Analytic Data | |
| Introduction and Overview | p. 117 |
| Outliers in Meta-Analytic Data | p. 117 |
| The Sample-Adjusted Meta-Analytic Deviancy (SAMD) Statistic | p. 119 |
| SAS Printouts for SAMD Examples and SAMD Scree Plots | p. 123 |
| Summary | p. 123 |
| Computing SAMD Values with Individually Corrected Correlations | p. 141 |
| Computing SAMD Values with Individually Corrected Effect Sizes | p. 141 |
| Summary and Guidelines for Implementing a Meta-Analysis | |
| Overview | p. 143 |
| Summary of SAS PROC MEANS Procedure | p. 143 |
| Guidelines and Pointers | p. 144 |
| p. 144 |
| p. 145 |
| p. 145 |
| p. 146 |
| p. 146 |
| p. 146 |
| p. 146 |
| p. 146 |
| p. 147 |
| Reference and Information Sources for the Behavioral and Social Sciences | p. 149 |
| Equation for Computing the Pooled Within-Group Standard Deviation | p. 159 |
| Conversion and Transformation Equations | p. 161 |
| Upper Percentage Points for the Chi-Square Distribution | p. 165 |
| References | p. 167 |
| Author Index | p. 175 |
| Subject Index | p. 179 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
