Article level metrics
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Article-level metrics are
citation metrics Citation impact is a measure of how many times an academic journal article or book or author is cited by other articles, books or authors. Citation counts are interpreted as measures of the impact or influence of academic work and have given ris ...
which measure the usage and impact of individual
scholarly article Academic publishing is the subfield of publishing which distributes academic research and scholarship. Most academic work is published in academic journal articles, books or thesis, theses. The part of academic written output that is not forma ...
s.


Adoption

Traditionally,
bibliometrics Bibliometrics is the use of statistical methods to analyse books, articles and other publications, especially in regard with scientific contents. Bibliometric methods are frequently used in the field of library and information science. Bibliom ...
have been used to evaluate the usage and impact of research, but have usually been focused on journal-level metrics such as the
impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as ...
or researcher-level metrics such as the
h-index The ''h''-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The ''h''-index correlates with obvious success indicators such as ...
. Article-level metrics, on the other hand, may demonstrate the impact of an individual article. This is related to, but distinct from,
altmetrics In scholarly and scientific publishing, altmetrics are non-traditional bibliometrics proposed as an alternative or complement to more traditional citation impact metrics, such as impact factor and ''h''-index. The term altmetrics was proposed i ...
. Starting in March 2009, the
Public Library of Science PLOS (for Public Library of Science; PLoS until 2012 ) is a nonprofit publisher of open-access journals in science, technology, and medicine and other scientific literature, under an open-content license. It was founded in 2000 and laun ...
introduced article-level metrics for all articles. The open access publisher
PLOS PLOS (for Public Library of Science; PLoS until 2012 ) is a nonprofit publisher of open-access journals in science, technology, and medicine and other scientific literature, under an open-content license. It was founded in 2000 and laun ...
provides article level metrics for all of its journals including downloads, citations, and altmetrics. In March 2014 it was announced that COUNTER statistics, which measure usage of online scholarly resources, are now available at the article level.


See also

*
Bibliometrics Bibliometrics is the use of statistical methods to analyse books, articles and other publications, especially in regard with scientific contents. Bibliometric methods are frequently used in the field of library and information science. Bibliom ...
* Scientometrics


References


Further reading

* * * {{Academic publishing Academic publishing Citation metrics