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| Indeks utjecaja časopisa× | Journal Citation Reports× | |
|---|---|---|
| Područje | Bibliometrija | Bibliometrija |
| Obitelj | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1955 | 1975 |
| Tvorac≠ | Eugene Garfield, Institute for Scientific Information (ISI) | Institute for Scientific Information (ISI), now Clarivate Analytics |
| Vrsta≠ | Metric | Tool |
| Temeljni izvor≠ | Garfield, E. (1972). Citation analysis as a tool in journal evaluation. Science, 178(4060), 471-479. DOI ↗ | Clarivate Analytics. (2024). Journal Citation Reports. Retrieved from https://clarivate.com/webofsciencegroup/solutions/journal-citation-reports/ link ↗ |
| Drugi nazivi≠ | IF, JIF, Impact Factor, 2-year Impact Factor | JCR, Clarivate Journal Citation Reports |
| Srodne | 5 | 5 |
| Sažetak≠ | Journal Impact Factor (JIF) is a metric developed by Eugene Garfield in 1955 and published annually by Clarivate Analytics through Journal Citation Reports (JCR). It measures the average citation frequency of articles published in a journal over a two-year window, serving as a proxy for journal prestige and influence. A journal's Impact Factor equals the number of citations received in year Y to articles published in Y-1 and Y-2, divided by the number of citable items published in that same window. Despite widespread adoption in research evaluation, Impact Factor has significant limitations and critics argue it conflates journal prestige with article quality. | Journal Citation Reports (JCR) is an annual publication by Clarivate Analytics providing comprehensive citation metrics and performance analytics for journals indexed in Web of Science Core Collection. Launched in 1975, JCR publishes Impact Factor, the most widely recognized journal quality metric, alongside supplementary metrics (5-year IF, Journal Citation Indicator, Immediacy Index, Cited Half-Life, and citation distribution analysis). JCR is the authoritative source for journal ranking, benchmarking, and impact assessment in research evaluation systems globally. Access requires institutional subscription, though some institutions provide free access to affiliated researchers. |
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