9780761921684

Practical Meta-Analysis

by
  • ISBN13:

    9780761921684

  • ISBN10:

    0761921680

  • Format: Paperback
  • Copyright: 2000-08-18
  • Publisher: SAGE Publications, Inc
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Supplemental Materials

What is included with this book?

Summary

What research designs and methodological features qualify a study for meta-analysis and which disqualify it? What types of research reports are appropriate for the meta-analysis? What is the cultural and linguistic range of the studies to be included? By integrating and translating the current methodological and statistical work into a practical guide, the authors address these questions to provide readers with a state-of-the-art introduction to the various approaches to doing meta-analysis.

Table of Contents

Acknowledgments ix
Introduction
1(11)
Situations to Which Meta-Analysis is Applicable
1(2)
The Key Concept of Effect Size
3(2)
The Strengths of Meta-Analysis
5(2)
The Weaknesses of Meta-Analysis
7(3)
Recent History and Contemporary Usage of Meta-Analysis
10(1)
Overview of Book
11(1)
Problem Specification and Study Retrieval
12(22)
Identifying the From of the Research Findings to be Meta Analyzed
12(4)
Study Eligibility Criteria
16(7)
Methodological Quality Revisited
20(3)
Identifying, Locating, and Retrieving Research Reports
23(11)
Finding References
24(7)
Retrieving Research Reports
31(3)
Selecting, Computing, and Coding the Effect Size Statistic
34(39)
Effect Size Statistics and Their Variances
34(3)
A Note on Notation
37(1)
Types of Research Findings and Applicable Effect Size Statistics
37(34)
One Variable Relationships (Central Tendency Description)
38(3)
Two- Variable Relationships
41(18)
Association Between Variables
59(8)
Multivariate Relationships
67(4)
Summary of Effect Size Statistics
71(2)
Developing a Coding Scheme and Coding Study Reports
73(18)
Developing a Coding Protocol
73(13)
Units of Analysis and Hierarchical Levels of Coding
75(6)
Effect Size Coding
81(2)
Study Descriptors
83(3)
Coding Information About the Coding Process Itself
86(2)
Training of Coders
88(3)
Data Management
91(14)
Creating Meta-Analytic Data Files
91(3)
Coding Directly into the Computer
94(1)
Using the Computer to Maintain the Bibliography
95(1)
Structure of Meta-Analytic Data Files
96(9)
Creating a Single Flat File to use for Analysis
97(1)
Merging Multiple Files to Use for Analysis
97(8)
Analysis Issues and Strategies
105(24)
The Stages of Analysis
107(22)
Effect Size Adjustments
107(5)
Analyzing the Effect Size Mean and Distribution
112(4)
Analysis of Heterogeneous Distributions of Effect Size
116(9)
Analysis of Statistically Dependent Effect Sizes
125(1)
Additional Analysis Issues
126(3)
Computational Techniques for Meta-Analysis Data
129(17)
The Mean, Confidence Interval, and Homogeneity Test
129(13)
Analysis of Heterogeneous Distributions of Effect Size
133(5)
Weighted Regression Analysis
138(4)
Graphing Techniques
142(4)
Interpreting and Using Meta-Analysis Results
146(23)
Interpreting Effect Size Values
146(10)
Rules to Thumb for Effect Size Magnitude
147(1)
Translation of Effect Sizes to Other Metrics
148(6)
Clinical and Practical Significance
154(2)
Caveats in Interpreting Meta-Analysis Results
156(11)
Methodological Adequacy of the Research Base
157(1)
Confounding of Substantive and Methodological Features
158(3)
The Importance of Variance
161(2)
Research Gaps and Generalizability
163(2)
Sampling Bias
165(2)
Implications of Meta-Analysis for Practice and Policy
167(2)
Appendix A. Computer-Based Bibliographic Services and Examples of Relevant Databases 169(3)
Appendix B. Procedures for Computing Effect Size Values from Eligible Study Reports 172(35)
Standardized Mean Difference Effect Size
172(17)
Direct Calculation of ESsm
172(1)
Algebraically Equivalent Formulas for ESsm
173(1)
Exact Probability Levels for a t-value or F-ratio
174(1)
Calculation of Means and Standard Deviations from a Frequency Distribution
175(2)
Approximations Based on Continuous Data-- The point-Biserial Coefficient
177(1)
Estimating X1-X2 and Spooled
178(9)
Dichotomized Data
187(2)
The Correlation Coefficient Effect Size
189(6)
Definitional Formula for ESr
190(1)
Joint Frequency Distributions for Discrete or Grouped Continuous Data
191(1)
A Dichotomous and a Continuous Measure
192(2)
Two Dichotomous Measures
194(1)
Approximations and probability Values
195(1)
Odds-Ratio Effect Size
195(12)
Calculation Based on Call Frequencies
196(1)
Calculation Based on Row Proportions
196(1)
Calculation Based on Cell Proportions
196(1)
Imputation of 2 x 2 Contingency Table From Correlation and Marginal Proportions
197(1)
Imputation of 2 x 2 Contingency Table Based on Chi-Square and Marginal Proportions
197(1)
Imputation of Odds-Ration from Continuous Data
198(9)
Appendix C. MS Excel Effect Size Computation Program 207(1)
Appendix D. SPSS Macros for Meta-Analysis 208(13)
Appendix E. Coding Manual and Coding Forms for the Example Meta-Analysis of Challenge Programs for Juvenile Delinquents 221(2)
Study-Level Coding Manual
221(4)
Sample Descriptors
221(1)
Research Design Descriptors
222(1)
Nature of the Treatment Descriptors
223(2)
Effect Size Level Coding Manual
225(3)
Dependent Measure Descriptors
225(1)
Effect Size Data
226(2)
Study-Level Coding From
228(3)
Sample Descriptors
228(1)
Research Design Descriptors
229(1)
Nature of the Treatment Descriptors
230(1)
Effect Size Level Coding Form
231(1)
Dependent Measure Descriptors
231(1)
Effect Size Data
231
Bibliography of Recommended Readings 223(11)
References 234(7)
Index 241(6)
About the Authors 247

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