Researchers can change the world m many ways. The science of bibliometrics allows scientific influence to be measured (Smith & Hazelton 2011a, 2011b, Oermann 2012), for example by the number of times a particular article is cited by other articles (the citation count) or via overall measures of the influence of journals, such as the impact factor (IF) (Ironside 2007). This has led to debate over whether nurses should be publishing in 'impactful' journals (Johnstone 2007), whether the discipline is disadvantaged by this (Crookes et al. 2010), and the overall concept of 'impact' (Ketefian & Freda 2009).
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