Ranking journal quality by harmonic mean of ranks over four distinct classes of assessment measures..towards a better robustness of journal rankings?

See on Scoop.itDual impact of research; towards the impactelligent university


As the preponderance of journal rankings becomes increasingly more frequent and prominent in academic decision making, such rankings in broad discipline categories is taking on an increasingly important role. The paper focuses on the robustness of rankings of academic journal quality and research impact using the widely-used Thomson Reuters ISI Web of Science citations database (ISI) for the Statistics & Probability category.


The paper analyses 110 ISI international journals in Statistics & Probability using quantifiable research assessment measures (RAMs), and highlights the similarities and differences in various RAMs, which are based on alternative transformations of citations and influence. Alternative RAMs may be calculated annually or updated daily to determine when, where and how (frequently) published papers are cited (see Chang, McAleer and Oxley (2011a, b, c), Chang, Maasoumi and McAleer (2012)).


The RAMs are grouped in four distinct classes that include impact factor, mean citations and non-citations, journal policy, number of high quality papers, and journal influence and article influence. These classes include the most widely used RAMs, namely the classic 2-year impact factor including journal self citations (2YIF), 2-year impact factor excluding journal self citations (2YIF*), 5-year impact factor including journal self citations (5YIF), Eigenfactor (or Journal Influence), Article Influence, h-index, PI-BETA (Papers Ignored – By Even The Authors), 5YD2 (= 5YIF/2YIF) as a measure of citations longevity, and escalating self citations as a measure of increasing journal self citations.


The paper highlights robust rankings based on the harmonic mean of the ranks of RAMs across the 4 classes. It is shown that focusing solely on the 2YIF of a journal, which partly answers the question as to when published papers are cited, to the exclusion of other informative RAMs, which answer where and how (frequently) published papers are cited, can lead to a distorted evaluation of journal quality, impact and influence relative to the more robust harmonic mean of the ranks.



Chang, C.-L. and McAleer, M. (2013), Ranking journal quality by harmonic mean of ranks: an application to ISI statistics & probability. Statistica Neerlandica, 67: 27–53. doi: 10.1111/j.1467-9574.2012.00529.x

See on onlinelibrary.wiley.com


About Wilfred Mijnhardt
RMIMR is my virtual playground, a place to reflect on issues from my professional context, my job as Policy Director at Rotterdam School of Management, Erasmus University (RSM). RSM is the international university based business school at Erasmus University Rotterdam. More info here: www.rsm.nl Here is my list of relevant publications on the topic of my RMIMR weblog: http://www.mendeley.com/collections/694621/RMIMR-Repository/ The rss feed for my RMIMR collection is here: http://www.mendeley.com/collections/rss/694621/ Here is my other weblog on impact of research: http://www.scoop.it/t/dualimpact

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