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Effective Database Searching: Impact Factor & More

This guide to key library databases helps you decide which databases to use and assists you in searching them more effectively.

Impact Factor & More




Refer to the guides below for commonly needed research tools:



Cited Reference Searching is a way to find articles that have cited a previously published work allowing for discovery of how a known idea has been further discussed in the research.  Several sources are available for locating cited references.

-Cited Reference Searching guide




Eigenfactor Score and Article Influence are ratings of the total importance of a scientific journal or article.


Eigenfactor Score and Article Influence guide

h Index is based on a scholar's most cited works and the number of times these have been referenced in the literature

-h Index guide



Journal Impact Factor provides the rate an “average article” in a journal has been cited in a particular year. It serves as a means to compare different journals in a field of study. [Exclusive to Thompson Reuters’ Journal Citation Reports]

-Journal Impact Factor guide

Mayo Authors has a statistical feature to review the number of articles, abstracts, books, book chapters, patents and other publications individual authors have authored. [Produced by Mayo Clinic Library staff]

-Mayo Authors guide



SCImago Journal Rank (SJR) is a tool used for measuring the value of citations based on journal esteem and influence. [Generated by Elsevier’s Scopus Database]



-SCImago Journal Rank (SJR) guide



Source Normalized Impact per Paper (SNIP) is a measure that allows for comparison of journal citation performance across disciplines. [Generated by Elsevier’s Scopus Database]


-Source Normalized Impact per Paper (SNIP) guide


CiteScore provides a comprehensive assessment of the average citations per document that a journal title receives over a 3-year window of time professing to be more transparent and less biased than the Impact Factor.  The CiteScore Tracker also shows current monthly data.  [Generated by Elsevier’s Scopus Database]

-CiteScore guide