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fact it is inflated, by ‘free citations,’ which are citations to article types, such as editorials or letters, not accounted for in the denominator” (p. 3, see here also Todd 2009 ). Further, the consideration given to journal self-citations in

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Scientometrics
Authors:
Henk F. Moed
,
Lisa Colledge
,
Jan Reedijk
,
Felix Moya-Anegon
,
Vicente Guerrero-Bote
,
Andrew Plume
, and
Mayur Amin

) Citation window 3 years 3 years 2 and 5 years Inclusion of journal self-citations Percentage of journal self-citations

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researchers in other hard science fields, and Costas et al. ( 2010 ) found a higher number of citations and self-citations per document in biology and biomedicine articles. Similarly, Krauss ( 2007 ) investigated journal self-citation rates in ecological

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Scientometrics
Authors:
Reindert K. Buter
,
Ed. C. M. Noyons
, and
Anthony F. J. Van Raan

1995–2005 publications to WoS publications, but the cited publications were restricted to “articles”, “letters”, “notes” and “reviews” (the citing documents could be any type). Both author self-citations and journal self-citations were excluded. Author

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subtract the number of citations that derives from such materials. Journal self-citations can easily be retrieved and its ratio calculated by additional searching. This way of data collection for DJIF is reproducible and maintains some fault

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. First the inclusion of the two quality ranking reports (Kiel rankings and ABS rankings) can be themselves subject to criticism. In addition journalsself citations have not been excluded in our analysis 12 and therefore can create a further criticism

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development is that when an indicator becomes widely recognised, there are likely to be attempts to manipulate it. When manipulation occurs for JIFs by journal editors promoting journal self-citations, it can be caught by calculating journal self-citation

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/flop counts for our list of leading management journals. Journal self-citations were defined as citing a study from the same journal. As Table 4 indicates, self-citation rates ranged from a low of 2.3% ( Organizational Dynamics ) to a high of 69.4% ( Journal

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category of general and internal medicine . Accountability in Research: Policies and Quality Assurance 16 3 127 – 152 . Foo , JYA 2009 A study on journal self-citations and intra

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Scientometrics
Authors:
Antonio J. Gómez-Núñez
,
Benjamín Vargas-Quesada
,
Félix de Moya-Anegón
, and
Wolfgang Glänzel

to 2008, with references going back as far as 1996 (to 2008), and including a total of 17158 journals. For this process, journal self-citation values were discarded. By using this list, an asymmetric journal-category citation matrix was constructed

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