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Journal-level metrics address weights or prestige that publications are seen to carry. These metrics can help you to evaluate the quality of a publication, but it is suggested not to use them alone to assess the quality of articles within a particular publication.
- e.g. Journal Impact Factor (JIF): JIF is defined as all citations to the journal in the current Journal Citation Reports (JCR) year to items published in the previous two years, divided by the total number of scholarly items (these comprise articles, reviews, and proceedings papers) published in the journal in the previous two years.
- e.g. Journal Impact Factor (JIF) Quartile: JIF Quartile is the quotient of a journal’s rank according to the metric (Journal Impact Factor, Total Citations, etc) in category (X) and the total number of journals in the category (Y), so that (X/Y) = Percentile Rank Z.
Q1: 0.0 < Z ≤ 0.25 Q2: 0.25 < Z ≤ 0.5 Q3: 0.5 < Z ≤ 0.75 Q4: 0.75 < Z
How to find the JIF and JIF Quartile of a journal?
Step 1: Find Journal Citation Reports (JCR) under 'J' in Databases A-Z list on library website.
Step 2: Browse journals, or search for a particular journal in the search box.
Step 3: Click the title of the journal and go to the journal profile page to find the JIF.
Step 4: Scroll down the journal profile page to find the Rank, Citation Distribution, Open Access, Content Metrics. Note that the JIF Quartile for the same journal can be different in different subject categories to which the journal is assigned.
- e.g. SCImago Journal Rank (SJR): SJR is based on the transfer of prestige from a journal to another one. It expresses the average number of weighted citations received in the selected year by the documents published in the selected journal (indexed by Scopus) in the past three years. See the detailed descriptions here.
- e.g. CiteScore: Calculating the CiteScore is based on the number of citations to documents (articles, reviews, conference papers, book chapters, and data papers) by a journal over four years, divided by the number of the same document types indexed in Scopus and published in those same four years.
How to find the SJR and CiteScore of a journal?
Step 1: Find Scopus under 'S' in Databases A-Z list on library website.
Step 2: Click 'Sources' at the top menu.
Step 3: Browse all journals or search for a particular journal for title or ISSN.
Step 4: Find the journal in the result list and click the title to the source details page to find its SJR and CiteScore.