have we changed the way we do research in response to the availability of online information?
DESCRIPTION
Have we Changed the Way we do Research in Response to the Availability of Online Information?. Paul Blowers Department of Chemical and Environmental Engineering Barbara Williams Science-Engineering Library T h e U n i v e r s i t y o f r i z o n a. Have you heard this line before?. - PowerPoint PPT PresentationTRANSCRIPT
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Have we Changed the Way we do Research in Response to the Availability of Online
Information?
Paul BlowersDepartment of Chemical and Environmental Engineering
Barbara Williams Science-Engineering Library
The University of rizona
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Have you heard this line before?
How do I limit my search to full-text only?
Could you show me
how to find a full-text
article on-line?
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The Ladder of Inference
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Purpose of our Research
• Examine the citation patterns of articles to see if citing patterns are affected by online formats
• Document a baseline of information regarding citation patterns in one engineering discipline
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Literature Review• The effect of the Web on undergraduate citation behavior: a 2000 update. Author: Davis, Philip M. Source:
College & Research Libraries v. 63 no1 (Jan. 2002) p. 53-60 • Lawrence, S., F. Coetzee, E. Glover, D. Pennock, G. Flake, F. Nielsen, R. Krovetz, A. Kruger, C. L. Giles.
Persistence of Web References in Scientific Research, IEEE Computer, Volume 34, Number 2, pp. 26–31, 2001.
• Should Auld Acquaintance Be Forgot: Possible Influence of Computer Databases on Citation Patterns in the Biological Literature. (Statistical Data Included) JAN A. PECHENIK, J. MICHAEL REED, MELISSA RUSS. BioScience July 2001 v51 i7 p583
• Student citation practices in an Information Science Department. By: Oppenheim, Charles; Smith, Richard. Education for Information, 2001, Vol. 19 Issue 4, p299, 25p
• The effect of the Web on undergraduate citation behavior 1996-1999Philip M Davis, Suzanne A Cohen. Journal of the American Society for Information Science and Technology. Hoboken: Feb 15, 2001. Vol. 52, Iss. 4; p. 309
• Indirect-collective referencing (ICR) in the elite journal literature of physics. I. A literature science study on the journal levelEndre Szava-Kovats. Journal of the American Society for Information Science and Technology. Hoboken: Feb 1, 2001. Vol. 52, Iss. 3; p. 201
• ISI's impact factor as misnomer: A proposed new measure to assess journal impactJournal of the American Society for Information ScienceVolume 48, Issue 12, Date: December 1997, Pages: 1146-1148Stephen P. Harter, Thomas E. Nisonger
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Methodology Used
• We examine literature citations for the top twenty chemical engineering journals over the last 10 years– ISI Journal Citation Report (JCR)
• Quantify number of citations and correlate with online availability
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Why we selected top 20 cited journals
Wanted to investigate statistically significant data - needed many references
Selected Impact Factor to classify top 20 journals in chemical engineering
Example: 2001 top 20J CATAL CHEM ENG SCIAICHE J IND ENG CHEM RESJ MEMBRANE SCI CATAL TODAYPOLYM ENG SCI COMBUST FLAMEJ CHEM ENG DATA FUELFLUID PHASE EQUILIBR COMPUT CHEM ENGCOMBUST SCI TECHNOL POWDER TECHNOLCAN J CHEM ENG J CHEM TECHNOL BIOTENERG FUEL J AEROSOL SCISEPAR SCI TECHNOL J CHEM ENG JPN
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When print journals became available online
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TRUE OORR FALSE The availability of full text databases is influencing information-
seeking behavior As more full text online articles become available, a shift in citation
patterns has emerged Information seekers are limiting their research to online full text
articles There is a noted decline in the citation of journals that are available
only in hardcopy when other on-line subject-related titles become available
There appears to be less referencing of online journals that are “prohibitively” expensive, implying that research published in them may not be widely disseminated even though the materials are available online
The shift to online referencing at the exclusion of print resources has implications in guiding how cutting edge research is developed in science and engineering
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TRUE The availability of full-text databases is influencing information-seeking behavior
chem eng news
0
500
1000
1500
2000
1991 1993 1995 1997 1999 2001
Catalysis Today
01000200030004000500060007000
1991 1993 1995 1997 1999 2001
For journals that didn't become available online, average increase of
citations per year was 7.9% while journals online for some part of the
time covered by the analysis had citation growth of 13.4%.
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TRUE As more full-text online articles become available, a shift in citation patterns has emerged
Online journals show rapidly increasing citation rates while journals available only in print are leveling off.
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Online journals
Print only journals
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UNCLEAR Information seekers are limiting their research to online full-text articles
fluid phase equilibr
0
1000
2000
3000
4000
1991 1993 1995 1997 1999 2001
separ sci technol
0
500
1000
1500
2000
2500
1991 1993 1995 1997 1999 2001
J Membrane Science
01000200030004000500060007000
1991 1993 1995 1997 1999 2001
Print Only Journals Full Text Journals
- Explosive growth of research in the recent past hides trends
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TRUE There is a noted decline in the citation of
journals that are available only in print when other on-line subject-related titles become available
Catalysis Today
01000200030004000500060007000
1991 1993 1995 1997 1999 2001
J Catal
0
5000
10000
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1991 1993 1995 1997 1999 2001
Catalysis today went online in 1998. Journal of Catalysis leveled off then.
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TRUE
There appears to be less referencing of online journals that are “prohibitively” expensive, implying that research published in them may not be widely disseminated even though the materials are available on-line?
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TRUE The shift to on-line referencing at the exclusion of print resources has implications in guiding how cutting edge research is developed in science and engineering
May end up with second class science/engineering citizens that don't have access to new information through expensive databases
Science may ignore important work published in print-only formats
The fundamental functions of libraries and research support facilities will change over time - libraries become less print oriented
Other?
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• Purchasing electronic backfiles–Historical data
• Subject specific resources
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What happens next?