Preface |
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xiii | |
Acknowledgments |
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xv | |
About the Author |
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xvii | |
1. Reviewing the Literature: Why? For Whom? How? |
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1 | |
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1 | |
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2 | |
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What Is a Research Literature Review? Why Do One? |
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3 | |
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Write Proposals for Funding |
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6 | |
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Write Proposals for Academic Degrees |
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7 | |
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Describe and Explain Current Knowledge to Guide Professional Practice |
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8 | |
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Identify Effective Research and Development Methods |
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9 | |
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Identify Experts to Help Interpret Existing Literature and Identify Unpublished Sources of Information |
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9 | |
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Identify Funding Sources and Works in Progress |
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10 | |
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Satisfy Personal Curiosity |
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10 | |
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Gaining Control: Experiments and Observations |
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13 | |
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14 | |
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15 | |
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Systematic, Explicit, Comprehensive, and Reproducible: Four Key Words |
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15 | |
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Choosing an Online Bibliographic Database |
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16 | |
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Public and Private Online Bibliographic Databases |
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16 | |
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What Exactly Do You Need to Find? |
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20 | |
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How Do You Search for What You Want to Find? Key Words, Descriptors, Identifiers, and the Thesaurus |
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21 | |
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How Do You Ask for Information? Searching With Boolean Operators |
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28 | |
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Three Examples of Boolean Logic |
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28 | |
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Using the Web of Science: A Case Study |
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33 | |
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Pausing During the Search |
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35 | |
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Changing the Course of the Search |
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35 | |
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Changing the Course of a Literature Review Search: Expanding the Scope |
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36 | |
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Supplementing the Online Search |
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36 | |
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Reasons to Supplement Electronic Searches |
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36 | |
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Reviewing References in High-Quality Studies |
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37 | |
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Is Everything Worthwhile Published? |
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38 | |
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39 | |
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Cautiously Approach the Web |
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41 | |
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Organizing the Research Literature: Building a Virtual Filing Cabinet |
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43 | |
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44 | |
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45 | |
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49 | |
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Online Literature Reviews |
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51 | |
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53 | |
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54 | |
2. Searching and Screening: The Practical Screen and Methodological Quality (Part 1—Research Design and Sampling) |
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55 | |
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55 | |
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56 | |
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Search Screen 1: The Practical Screen |
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59 | |
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Including and Excluding Studies: Typical Practical Screening Criteria for Literature Review Searches |
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59 | |
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Practical Screening Criteria: Using Inclusion and Exclusion Criteria |
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61 | |
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Search Screen 2: Methodological Quality Screening Criteria, Part 1—Research Design and Sampling |
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62 | |
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Criterion for Quality: Research Design |
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63 | |
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Random Selection and Random Assignment: Two Examples |
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66 | |
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Concurrent Controls but No Random Assignment |
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69 | |
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71 | |
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Historical Controls or Existing Data |
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73 | |
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Observational Designs in Brief |
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74 | |
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74 | |
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78 | |
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A Note on Other Designs and Studies: Cross-Sectional Surveys and Consensus Statements |
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80 | |
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80 | |
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84 | |
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84 | |
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Internal and External Validity |
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84 | |
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Criterion for Quality: Sampling |
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88 | |
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88 | |
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Inclusion and Exclusion Criteria or Eligibility of Subjects |
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89 | |
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91 | |
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92 | |
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92 | |
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92 | |
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93 | |
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94 | |
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94 | |
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95 | |
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95 | |
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Nonresponse: Subjects and Items |
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96 | |
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99 | |
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103 | |
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105 | |
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106 | |
3. Searching and Screening: Methodological Quality (Part 2—Collection, Interventions, Analysis, Results, and Conclusions) |
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109 | |
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109 | |
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110 | |
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Data Collection and Data Sources: Methods and Measures |
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110 | |
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114 | |
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116 | |
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Interventions and Programs: Reviewing the Research Literature to Find Out What Works |
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120 | |
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Two Versions of a Program Description |
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121 | |
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Information Analysis: Statistical Methods in the Research Literature |
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123 | |
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Statistical Methods and What to Look For: An Overview |
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123 | |
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Independent and Dependent Variables |
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124 | |
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Measurement Scales and Their Data |
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126 | |
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Statistical and Practical Significance |
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128 | |
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131 | |
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Which Analytic Method Is Best? |
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133 | |
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139 | |
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140 | |
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Using Formal Systems to Evaluate Research |
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143 | |
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Reviewing Qualitative Research: A Special Note |
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144 | |
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151 | |
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154 | |
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155 | |
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157 | |
4. Doing the Review: A Reader's Guide Chapter |
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161 | |
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161 | |
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161 | |
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Types of Information: Methods and Content |
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162 | |
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Eligibility and Actuality |
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165 | |
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Reliable and Valid Reviews |
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172 | |
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Measuring Reliability: The Kappa Statistic |
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172 | |
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Uniform Data Collection: The Literature Review Survey Questionnaire |
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174 | |
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Uniform Data Collection: Definitions and More |
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181 | |
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182 | |
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Pilot Testing the Review Process |
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184 | |
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185 | |
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186 | |
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Collecting Data From the Literature: A Checklist |
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186 | |
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187 | |
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188 | |
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189 | |
5. What Did You Find? Synthesizing Results |
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193 | |
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193 | |
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194 | |
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Now That You Have Done It, What Do You Do With It? |
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194 | |
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Reviews Describe Current Knowledge |
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196 | |
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Reviews Support the Need for and Significance of New Research |
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198 | |
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Reviews Explain Research Findings |
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199 | |
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Reviews Describe the Quality of Current Research |
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200 | |
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Descriptive Syntheses or Reviews |
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206 | |
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Examples of Descriptive Literature Reviews |
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206 | |
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209 | |
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What to Look for in a Meta-Analysis: The Seven Steps |
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210 | |
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Fixed Versus Random Effects |
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221 | |
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223 | |
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Large Studies Versus Meta-Analysis of Smaller Trials: Comparing Results |
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224 | |
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224 | |
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Displaying Meta-Analysis Results |
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225 | |
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Meta-Analyses in Practice: Examples |
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225 | |
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230 | |
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Descriptive Review Versus Meta-Analysis |
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233 | |
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234 | |
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236 | |
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239 | |
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239 | |
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241 | |
Author Index |
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242 | |
Subject Index |
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246 | |