Size matters! Association between journal size and longitudinal variability of the Journal Impact Factor.

PLoS One · 2019 · PMC6874322 · PMID 31756241

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a clear trendno p-value reported

an equal proportion of journals increasing or decreasing their JIF [ 15 ], we observed a clear trend towards annually increasing JIFs (i.e. mean/median JIF changes >0%).

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