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Specification uncertainty: what the disruption index tells us about the (hidden) multiverse of bibliometric indicators

Author

Listed:
  • Christian Leibel

    (Administrative Headquarters of the Max Planck Society
    Ludwig-Maximilians-Universität München)

  • Lutz Bornmann

    (Administrative Headquarters of the Max Planck Society)

Abstract

Following Funk and Owen-Smith (Manag Sci 63:791–817, 2017), Wu et al. (Nature 566:378–382, 2019) proposed the disruption index (DI1) as a bibliometric indicator that measures disruptive and consolidating research. When we summarized the literature on the disruption index for our recently published review article (Leibel and Bornmann in Scientometrics 129:601–639, 2024), we noticed that the calculation of disruption scores comes with numerous (hidden) degrees of freedom. In this Letter to the Editor, we explain based on the DI1 (as an example) why the analytical flexibility of bibliometric indicators potentially endangers the credibility of research and advertise the application of multiverse-style methods to increase the transparency of the research.

Suggested Citation

  • Christian Leibel & Lutz Bornmann, 2024. "Specification uncertainty: what the disruption index tells us about the (hidden) multiverse of bibliometric indicators," Scientometrics, Springer;Akadémiai Kiadó, vol. 129(12), pages 7971-7979, December.
    • Handle: RePEc:spr:scient:v:129:y:2024:i:12:d:10.1007_s11192-024-05201-1
    DOI: 10.1007/s11192-024-05201-1
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