Designed to provide researchers clear and informative insight into techniques of meta-analysis, the Third Edition of Methods of Meta-Analysis: Correcting Error and Bias in Research Findings is the most comprehensive text on meta-analysis available today. It is the only book that presents a full and usable treatment of the role of study artifacts in distorting study results, as well as methods for correcting results for such biases and errors.

Summary of Psychometric Meta-Analysis

Meta-Analysis Methods and Theories of Data and Theories of Knowledge

Every method of meta-analysis is of necessity based on a theory of data. It is this theory (or understanding of data) that determines the nature of the resulting meta-analysis methods. A complete theory of data includes an understanding of sampling error, measurement error, biased sampling (range restriction and range enhancement), dichotomization and its effects, data errors, and other causal factors that distort the raw data results we see in research studies. Once a theoretical understanding of how these factors affect data is developed, it becomes possible to develop methods for correcting for their effects. The necessity of doing so is presented in detail in Schmidt, Le, and Oh (2009), as ...

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