1. Patterns of Journal Use: What Are Our Users Telling Us? Carol Tenopir ctenopir@utk.edu

2. Caveats There is no one “user”, only indicative user types of groups. User behavior is like evolution. We are talking about averages of groups or subsets—typical behaviors.

3. Year Articles Read AverageNumberofArticlesReadper Scientist Average Number of Articles Read per Scientist 150 172 188 216

4. Scholarly Article Reading Work FieldArticles Reading (Per Year) Time Spent (Hours) Time Per Article (Min) University Medical Faculty ~32211822 Chemists~27619843 Physicists~20415345 Engineers~729781

5. Average Number of Personal Subscriptions to Scholarly Journals

6. Personal Subscription 43.8% Library Collection 34.4% Separate Copy 21.9% Tennessee Personal Subscription 33% Library Collection 48.3% Separate Copy 18.7% Pittsburgh Personal Subscription 45.7% Library Collection 42.4% Separate Copy 12% Drexel Source of Readings by Faculty: 2000-2003

7. Source of Article UT %Pitt %Drexel % Library Collection 34.448.342.2 Print(78.1)(25.0)(16.9) Electronic(21.9)(75.0)(83.1) Library Readings by Faculty: 2000-2003

8. ProportionofReadingsbyField Proportion of Readings by Field 58.9% All 41.1% Electronic Print Electronic 45.0% 55.0% Scientists Print Electronic 26.8% 73.2% Non-Scientists

9. Drexel UT Pitt ReadingsbyFacultybyAgeofArticle: 2000-2003 Readings by Faculty by Age of Article: 2000-2003 72.1 17.7 10.2 62.5 22.3 15.2 62.1 26 12.9

10. Personal 56.3% Library 33.5% Separate 10.3% 1stYear 1st Year Personal 28.8% Library 53.2% Separate 18.1% 2-5 Years Personal 9.2% Library 73.3% Separate 17.5% Over 5Years Over 5 Years SourceUsedandAgeofArticleRead Source Used and Age of Article Read

11. Findings  Faculty adopt e-resources if they are convenient, relevant, and time- saving  There is no one right solution for every subject discipline

12. MoreFindings More Findings  Print is still used at times in every discipline  Print is still most popular for books  2/3 of readings are in 1 st year of publication  Most e-journals users print out relevant articles

13. Still MoreFindings Still More Findings  Browsing in core journals is important, especially for current awareness  Searching is important for new topics, research, and writing  E-journal readers read in more titles than print readers  Reading from library-provided materials is increasing

14. Use and Users of Electronic Library Resources: An Overview and Analysis of Recent Research Studies. Tenopir, Carol www.clir.org/pub/reports/pub120 /pub120.pdf

15. Patterns of Journal Use by Faculty at Three Diverse Universities. King, Donald W.; Aerni, Sarah E.; Tenopir, Carol; and Montgomery, Carol H. http://www.dlib.org/dlib/october03/ king/10king.html