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Res Synth Methods. 2019 Jun;10(2):161-179. doi: 10.1002/jrsm.1338. Epub 2019 Feb 20.

A history of meta-regression: Technical, conceptual, and practical developments between 1974 and 2018.

Author information

1
Statistics Department, Northwestern University, Evanston, Illinois, USA.
2
Human Development Department, Teachers College, Columbia University, New York, New York, USA.
3
Educational Psychology Department, University of Texas at Austin, Austin, Texas, USA.

Abstract

At the beginning of the development of meta-analysis, understanding the role of moderators was given the highest priority, with meta-regression provided as a method for achieving this goal. Yet in current practice, meta-regression is not as commonly used as anticipated. This paper seeks to understand this mismatch by reviewing the history of meta-regression methods over the past 40 years. We divide this time span into four periods and examine three types of methodological developments within each period: technical, conceptual, and practical. Our focus is broad and includes development of methods in the fields of education, psychology, and medicine. We conclude the paper with a discussion of five consensus points, as well as open questions and areas of research for the future.

PMID:
30589224
DOI:
10.1002/jrsm.1338

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