Every July, journal impact factors (JIFs) for the preceding year are released. JIFs are eagerly anticipated as proxies for journal quality and influence (Lowry et al., 2013), although we acknowledge… Click to show full abstract
Every July, journal impact factors (JIFs) for the preceding year are released. JIFs are eagerly anticipated as proxies for journal quality and influence (Lowry et al., 2013), although we acknowledge a longstanding countermovement that rejects such journal-level metrics and argues that only article-level quality and impact should be assessed or that suggests other impact measures (e.g. Bollen et al., 2005; Leydesdorff, 2012). We also acknowledge the inherent risks associated with scientometric analysis of journal impact (cf. Clarke, 2016), especially in drawing inferences about what anyone (publisher, editor, author, or reader) might do as a result of that analysis. The most-reported JIF covers two years and was traditionally calculated as follows:
               
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