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Does retraction after misconduct have an impact on citations? A pre–post study
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  • Published on:
    Citation rates of Retracted Publications
    • Mark J Bolland, Associate Professor of Medicine University of Auckland
    • Other Contributors:
      • Andrew Grey, Associate Professor of Medicine

    Candal-Pedreira and colleagues showed that for 304 retracted papers, overall citations increased not decreased following retraction, but citations did seem to decrease for retracted papers in higher impact journals and those with higher citation rates, although that decrease might have been temporary.1 It is disturbing that retracted papers continue to be cited.

    We approached the issue of changes in citations rates after retraction in a different way. We assessed citation rates of retracted and unretracted publications from individuals with more than one retracted publication in the Retraction Watch database.2 Using this approach, we found that, overall, citations for 989 retracted publications declined after the retraction and citations for 9671 unretracted papers also declined after the author’s first retraction, but the decline was greater for retracted papers. For example, for retracted publications, 671 papers had 3566 citations in the 3rd year before their retraction and 831 papers had 1575 citations in the 3rd year after their retraction. In contrast, 5311 unretracted papers had 17935 citations in the 3rd year before the author’s first retraction, and 7388 papers had 17252 citations in the 3rd year after the author’s first retraction.

    Part of the difficulty in conducting and interpreting such analyses is the different lengths of time pre-and post-retraction for different papers. To try to address that issue, we calculated the slope of the citations/yea...

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    Conflict of Interest:
    None declared.