Group Title: Open Access Week 2009 posters
Title: Open access and T+P
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Permanent Link: http://ufdc.ufl.edu/UF00101461/00008
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Title: Open access and T+P
Physical Description: Archival
Language: English
Creator: Johnson, Margeaux
Publisher: George A. Smathers Libraries, University of Florida
Place of Publication: Gainesville, Fla.
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Bibliographic ID: UF00101461
Volume ID: VID00008
Source Institution: University of Florida
Holding Location: University of Florida
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Traditional


measures Emerg


As part of the tenure and promotion process,
faculty quantify the significance of their work to
their discipline.


Traditional measures include:


0 Ranking of the journals in which you publish
known as the Impact factor.

0 Number of times other scholars have cited
your works.



In spite of documented validity concerns, the most
widely recognized source for journal rankings,
citations, and core journal listings has been
ISI's Citation databases and their Journal Citation
Reports.


http://www.bmj.com/cgi/content/full/314/7079/497


BMJ 1997;314:497 (15 February)


Why the impact factor of journals should not
be used for evaluating research
Per 0 Seglen, professor a
" Institute for Studies in Research and Higher Education (NIFU)
Hegdehaugsveien 31 N-0352 Oslo Norway

Introduction
Evaluating scientific quality is a notoriously Top)
difficult problem which has no standard Iltro(Ilction)
solution. Ideally, published scientific results Is the jouirlinal iml)pact...
should be scrutinised bytrue experts in the Is lhe iIlp)act of..
field and given scores for quality and quantity Refeieiices
according to established rules. In practice,
however, what is called peer review is usually performed by committees with
general competence ratherthan with the specialist's insight that is needed to
assess primary research data. Committees tend, therefore, to resort to
secondary criteria like crude publication counts, journal prestige, the
reputation of authors and institutions, and estimated importance and
relevance of the research field,' making peer review as much of a lottery as of
a rational procco.t23
On this background, it is hardly surprising that alternative methods for
evaluating research are being sought, such as citation rates and journal
impact factors, which seem to be quantitative and objective indicators directly
related to published science. The citation data are obtained from a database
produced by the Institute for Scientific Information (101) in Philadelphia, which
continuously records scientific citations as represented by the reference lists


Problems associated with the use of journal impact
factors
Journal impact factors are not statistically
representative of individual journal articles
Journal impact factors correlate poorly with actual
citations of individual articles
Authors use many criteria other than impact when
submitting to journals
Citations to "non-citable" items are erroneously
included in the database
Self citations are not corrected for
Review articles are heavily cited and inflate the impact
factor of journals
Long articles collect many citations and give high
journal impact factors
Short publication lag allows many short term journal
self citations and gives a high journal impact factor
Citations in the national language of the journal are
preferred by the journal's authors
Selective journal self citation: articles tend to
preferentially cite other articles in the same journal
Coverage of the database is not complete
Books are not included in the database as a source for
citations
Database has an English language bias
Database is dominated by American publications
Journal set in database may vary from year to year
Impact factor is a function of the number of references


Ii


Harzing's Publish or Perish http://www.har

Publish or Perish is a software program that
calculate a series of citation metrics including
downloaded to your computer.


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File Edit -iew Help
W2LI. IC n[] SI 1 .r-A e-i mr- ri-i I-
Query
Autthors' name: I"TJ Walker"
Exclude these names:1-
Chckfo udaesYear of publication between: 1K0~ and:10

Results
P. r-p ;e 24t,1-6 CiLtlp. ,pee r 1 1.66
Citations: 2874 Citeslauthor: 2220.29
Years: 149 Papers/author: 174.62
Citeslyear: 19.29 Authorslpaper: 1.85
Cites Per year Rank Authors
IFI 1 0.02 133 TJ Walker 1
wIl 135 2.55 2 T3 Walker
W 143 1.26 14 JN Veazey, CAR Ka... C
wl41 1.41 17 TJ Walker, DA NicHe I
PIr 29 0.62 23 TJ Walker 1
w 16 0.67 49 TJ Walker, 3M Sivinski b
14 0.38 45 T3 Walker C
IIl 5 0. 12 91 TJ WalkerC
FI] 1 0.00 138 T3 Walker, D NicHe ,,
40 0.83 18 T3 Walker 1
r 19 0.40 43 RD Alexander, TJ ... 1
10 0.24 73 T3 Walker C
WI 2 0.07 114 TJ Walker, DA NicHe I
IZI 2 0.07 119 T3 Walker, DA NicHe I


Hirsch index, developed by Jorge Hirsch, UC
measures both scientific productivity and imps
The metrics look at the number of publications
and the number of citations per publication. ItI
applicability to measure productivity of individi
researchers and of collaborative scientific groL
such as departments. H-index will vary accord
to the base source used: Google Scholar or V\
of Knowledge (ISI Citation indexes).


I Gobbledygook.. ', '
Martin Fehner's bloqg on sdentificpuIblishirig in the internet age,
U view profile

FRIDAY, 17 AUG 2007 21:11 UTC
Do you know your Hirsch number?

The Hirsch number tries to quantify the (scientific) productivity of a scientist, The Hirsch number was fir
described by the physicist J,E, Hirsch in a 2005 PNAS paper: An index to quantify an individual's scien
research output. Hirsch says:
7 nrnnnoc' tbh ind vy b dpfinpd aR th an'mhnr nf n nanprv wiith ta finn an'mhnr h 3 aR a f. ind )/ ti nhrrktv


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