Impact factor

Impact factor (IF) (engelsk for innflytelsesfaktor), egentlig Journal Impact Factor (JIF), er et mål på gjennomsnittlige siteringer av artikler publisert i . The impact factor (IF) or Journal impact factor (JIF) of an academic journal is a measure reflecting the yearly average number of citations to recent articles . The impact factor is useful in clarifying the significance of absolute (or total) citation frequencies.

It eliminates some of the bias of such counts which favor large . Impact factor er en måte å rangere tidsskrifter på, basert på hvor ofte artikler i et tidsskrift blir sitert. Impact factor blir beregnet årlig og tallene . Many SRP scientists have published their findings in high-impact journals – those considered to be highly influential in their fields.

Journal Impact Factor is from Journal Citation Report (JCR), a product of Thomson ISI (Institute for Scientific Information). JCR provides quantitative tools for . The impact factor (IF) is a measure of the frequency with which the average article in a journal has been . The Impact Factor ranking system is based upon the number of times an average article is cited during the previous two years. For any journal to have an Impact Factor, it must have been tracked by Thomson Scientific (ISI) for three years. Although most SpringerOpen journals are .