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Meta-analysis and the science of research synthesis

Author

Listed:
  • Jessica Gurevitch

    (Stony Brook University)

  • Julia Koricheva

    (School of Biological Sciences, Royal Holloway University of London)

  • Shinichi Nakagawa

    (Evolution and Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales
    Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst)

  • Gavin Stewart

    (School of Natural and Environmental Sciences, Newcastle University)

Abstract

Meta-analysis is the quantitative, scientific synthesis of research results. Since the term and modern approaches to research synthesis were first introduced in the 1970s, meta-analysis has had a revolutionary effect in many scientific fields, helping to establish evidence-based practice and to resolve seemingly contradictory research outcomes. At the same time, its implementation has engendered criticism and controversy, in some cases general and others specific to particular disciplines. Here we take the opportunity provided by the recent fortieth anniversary of meta-analysis to reflect on the accomplishments, limitations, recent advances and directions for future developments in the field of research synthesis.

Suggested Citation

  • Jessica Gurevitch & Julia Koricheva & Shinichi Nakagawa & Gavin Stewart, 2018. "Meta-analysis and the science of research synthesis," Nature, Nature, vol. 555(7695), pages 175-182, March.
    • Handle: RePEc:nat:nature:v:555:y:2018:i:7695:d:10.1038_nature25753
    DOI: 10.1038/nature25753
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