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The Use and Value of Scientific Journals: Impact on Practitioners
Carol Tenopir University of Tennessee
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Growth of Scholarly Journals
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Growth of Internet Domains
Source: Internet Software Consortium Domain Survey available at <
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Myths Scholarly journals are not read There are too many journals
Journals are only for authors Scientists know information before it appears in a journal Electronic journals will completely replace print
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Average Number of Scholarly Article Readings Per Year
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Time Spent Reading
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Facts Behind the Myths Growth of journal literature is correlated with the number of scientists 1 article per 10 scientists 70% of all readings are done by non-academicians
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Growth of... Scholarly Journals Internet Domains
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PubMed A month worth of searches in PubMed equaled a year of MEDLINE searches (about 7.6 million) Today, the number of PubMed searches ranges from 500,000 to over one million per day
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arXiv.org Connections to LANL’s arXiv.org reached 180,000 per day in February 2001 Each article gets an average of 300 downloads per year
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Andrew Odlyzko’s 1995 article “Tragic Loss or Good Riddance
Andrew Odlyzko’s 1995 article “Tragic Loss or Good Riddance?” still gets an average of 175 downloads per month.
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Average Cost Per Title: Science Journals 1996-2000
7.7% 6.9% 7.1% 11.9% 9.7% 11.3% 11.0% 11.4% Source: Library Journal, April 15, 2000
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Average Number of Personal Subscriptions to Scholarly Journals
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Proportion of Readings of Scholarly Scientific Articles
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Library Owning vs. Borrowing Article Copies
Institutional Subscriptions Break-Even Point ILL/Document Delivery
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What does this mean for libraries?
Continue to subsidize access to journals Provide them in either print or electronic form Think in terms of some subscriptions Save the reader's time by providing access and links to high quality journal literature Think in terms of economies of scale (consortia) and saving readers' time
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