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Indicators for research evaluation

Through the introduction of indicators and resources, understand how to use traditional indicators (bibliometric) and altmetrics to evaluate research impact.


  • Bibliometric


  • Bibliometric

  • Bibliometrics is the use of statistical methods to analyze books, articles and other publications. Bibliometrics analyses the impact of research outputs using quantitative measures.

    Related Metrics

    • Citation counts
      the number of times a research output appears in the reference lists of other documents (articles, books, reviews, conference proceedings etc).
      > Found in: Google ScholarScopus and Web of Science.
    • Field-weighted citation impact (FWCI)
      the ratio of citations received relative to the expected world average for the subject field, publication type and publication year. It can apply to a research output or group of research outputs.
      > Found in SciVal.
    • Journal Impact Factor (JIF)
      based on the average number of citations received per paper published in that journal in the preceding two years.
      > Found in InCites JCR.
    • H-index 
      designed to measure an author's productivity and impact. It is the number of an author’s publications (h) that have h or more citations to them.
      > Found in: Google Scholar, Scopus and Web of Science.

    Related Database

    • Science Citation Index Expanded (SCIE) 
      Metrics covered include: total publications, average citation per item and total citation count.
      > Journal list found in here.(Log in to download the list)
    • Social Science Citation Index (SSCI)
      Metrics covered include: total publications, average citation per item and total citation count.
      > Journal list found in here.(Log in to download the list)
    • Arts & Humanities Citation Index (A&HCI)
      >Journal list found in here.(Log in to download the list)
    • Scopus
      Metrics covered include: scholarly output, citation counts, the h-index, Citescore, SCImago Journal Rank and SNIP.
    • EI Compendex
      > Journal list found in here.

  • Altmetric

  • Altmetrics lets us measure and monitor the reach and impact of scholarship and research through online interaction. Simply, altmetrics are metrics beyond traditional citations.

    Altmetric employs an algorithm to assign each item an automatically calculated score. Based on the volume and source of attention an item has received, the score is intended to reflect the reach or popularity of the research output. A multicolored ‘donut’ visualization is also generated to provide a summary of the sources of the attention that an item has received (red for news, light blue for Twitter, etc.).

    Resource: The donut and Altmetric Attention Score  
    Where can you find it: TMU Academic Hub 

    PlumX Metrics

    PlumX Metrics provide insights into the ways people interact with individual pieces of research output (articles, conference proceedings, book chapters, and many more) in the online environment.

    It categorizes metrics into 5 separate categories: Citations, Usage, Captures, Mentions, and Social Media. (Watch a brief overview about PlumX Metrics.)

    • Citation:citation indexes, patent citations, clinical citations, policy citations
    • Usage:clicks, downloads, views, library holdings, video plays
    • Capture:bookmarks, code forks, favorites, readers, watchers
    • Mention:blog posts, comments, reviews, Wikipedia references, news media
    • Social Media:shares, likes, comments, tweets 



    Resource: About PlumX Metrics  
    Where can you find it : TMU Academic Hub , Scopus , Science Direct

    PLoS Article Level Metrics, ALMs

    ALMs are quantifiable measures that document the many ways in which both scientists and the general public engage with published research. It track the reach, use and reuse of research outcomes – from articles and figures to datasets and code – to help guide understanding of a work’s influence.

    PLOS ALMs are calculated based on the following sources: 

    • Viewed: PLOS Journals (HTML, PDF, XML), PubMed Central (HTML, PDF)
    • Cited: CrossRef, Datacite, Europe PMC, PubMed Central, Scopus, Web of Science
    • Discussed: PLOS Comments, Facebook, Reddit, Twitter, Wikipedia
    • Saved: CiteULike, Mendeley
    • Recommended: F1000 Prime



    Resource: Metrics - PLOS  
    Where can you find it: 


    Contact Us
    About using databases
    Reference Desk (TMUL-Xinyi)
    Location: 3F, Comprehensive Medical Building, Rear Building, Xinyi Campus
    Tel: (02) 2736-1661 #2515 (#9 2515)

    About the indicators
    Ms. Siao  
    Tel: (02) 2736-1661 ext.2517 (#9 2517)


    Last updated: 2024-06-05


Contact Information

TMU Library - Xinyi
Address: No.250, Wuxing St., Xinyi Dist., Taipei City 110, Taiwan
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Last Updated:2024-06-21

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