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About: Retraction index     Goto   Sponge   NotDistinct   Permalink

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The retraction index is a measure of how likely an article published in a given academic journal will be retracted. It is calculated by multiplying the number of retracted articles in a journal during a given time period by 1,000, and then dividing the result by the total number of articles published in that journal during the same period. The term was coined in a 2011 editorial by Ferric Fang and Arturo Casadevall, the co-editors-in-chief of the journal Infection and Immunity. In their original editorial, Fang and Casadevall also showed a strong positive correlation between a journal's retraction index and its impact factor. Among the 17 journals they analyzed, the New England Journal of Medicine had the highest retraction index. The New England Journal of Medicine responded to the Feng a