Current self-citation rates

[Matthew Wallace]

Indeed, our study from 2012 showed very stable self-citation rates over
time and, to a slightly lesser degree, across disciplines (between 10 and
20%) if you count all authors, not just first authors.

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033339

Cheers,

Matt

Matthew L. Wallace, Ph.D.
Research Fellow
INGENIO (CSIC-UPV), Valencia


On Fri, Apr 4, 2014 at 4:36 PM, White,Howard <whitehd at drexel.edu> wrote:

> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
> Hi,
>
>  In my 2001 JASIST article "Authors as Citers over Time," I report
> self-citation rates for eight information scientists that are consistent
> with Loet's figures--perhaps a bit lower. There are also some leads in that
> piece to earlier work on the subject. Authorial self-citation is generally
> quite modest and reasonable.
>
>  Howard White
>
>   From: Loet Leydesdorff <loet at LEYDESDORFF.NET>
> Reply-To: ASIS&T Special Interest Group on Metrics <
> SIGMETRICS at LISTSERV.UTK.EDU>
> Date: Friday, April 4, 2014 at 9:08 AM
> To: "SIGMETRICS at LISTSERV.UTK.EDU" <SIGMETRICS at LISTSERV.UTK.EDU>
>
> Subject: Re: [SIGMETRICS] Current self-citation rates
>
>  Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
>
> Dear Jim,
>
>
>
> I agree.
>
> In terms of journal self-citation rates, the following on the basis of JCR
> 2012:
>
>
>
> *Statistics*
>
>
>
> Self-citations as percentage of references
>
> Self-citations as percentage of citations
>
> N
>
> Valid
>
> 10611
>
> 10936
>
> Missing
>
> 325
>
> 0
>
> Mean
>
> 9.25841
>
> 11.73770
>
> Median
>
> 6.13000
>
> 7.97500
>
> Std. Deviation
>
> 10.245547
>
> 12.145664
>
> Variance
>
> 104.971
>
> 147.517
>
>
>
> 16 journals are exclusively referencing within the journal; 2 journals are
> exclusively cited within the journal.
>
>
>
> Best,
>
> Loet
>
>
>  ------------------------------
>
> LoetLeydesdorff
>
> Professor Emeritus, University of Amsterdam
> AmsterdamSchool of Communications Research (ASCoR)
>
> loet at leydesdorff.net ; http://www.leydesdorff.net/
> Honorary Professor, SPRU, <http://www.sussex.ac.uk/spru/>University of
> Sussex;
>
> Guest Professor Zhejiang Univ. <http://www.zju.edu.cn/english/>,
> Hangzhou; Visiting Professor, ISTIC,
> <http://www.istic.ac.cn/Eng/brief_en.html>Beijing;
>
> Visiting Professor, Birkbeck <http://www.bbk.ac.uk/>, University of
> London;
>
> http://scholar.google.com/citations?user=ych9gNYAAAAJ&hl=en
>
>
>
> *From:* ASIS&T Special Interest Group on Metrics [
> mailto:SIGMETRICS at LISTSERV.UTK.EDU <SIGMETRICS at LISTSERV.UTK.EDU>] *On
> Behalf Of *James Hartley
> *Sent:* Friday, April 04, 2014 2:27 PM
> *To:* SIGMETRICS at LISTSERV.UTK.EDU
> *Subject:* Re: [SIGMETRICS] Current self-citation rates
>
>
>
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
>
> We need to distinguish between journal self citation rates and author self
> citation rates....
>
>
>
> Jim Hartley
>
>
>
> *From:* ASIS&T Special Interest Group on Metrics [
> mailto:SIGMETRICS at LISTSERV.UTK.EDU <SIGMETRICS at LISTSERV.UTK.EDU>] *On
> Behalf Of *Marie McVeigh
> *Sent:* 04 April 2014 12:45
> *To:* SIGMETRICS at LISTSERV.UTK.EDU
> *Subject:* Re: [SIGMETRICS] Current self-citation rates
>
>
>
> Adminstrative info for SIGMETRICS (for example unsubscribe):
> http://web.utk.edu/~gwhitney/sigmetrics.html
>
> Here is an old (but more recent than Seglen) reference that will give you
> some sense of the distribution of self-citation rates in the Science
> edition of JCR:  http://wokinfo.com/essays/journal-self-citation-jcr/
>
>
>
> As a point of interest and comparison with Loet's number, I would suggest
> also looking at the average journal-level self-citation rate.  With the
> following in mind: a journal with a very low overall citation count can
> have a high % of journal self-citations without this representing any
> problematic pattern.   That's why multiple criteria other than journal
> self-citation rate are used to consider suppression from the JCR (see:
> http://wokinfo.com/media/pdf/jcr-suppression.pdf)
>
>
>
> Marie E McVeigh
>
>
>
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