Embed Size (px)
Citation preview
www.arl.org
ARL Statistics In recognition of Kendon Stubbs’ contributions
WebcastWashington, DCOctober 9, 2003
Martha KyrillidouSenior Program Officer for Statistics and Measurement
Julia BlixrudAssistant Executive Director, External Relations
Mark Young Statistics Research Assistant
www.arl.org
Kendon Stubbs (retired 2003)
Photo Credit: Hoke Perkins
Karin Wittenborg and Kendon Stubbs (University of Virginia)A tribute to Kendon Stubbs is also available at:<http://www.lib.virginia.edu/kls/>
www.arl.org
Why are they important?
• Longest and most reliable data series (started in 1908 with the Gerould Statistics)
• Describe level of investment• Define membership for the Association of
Research Libraries• Used for budget justification purposes• Used for benchmarking with other peer
institutions• Describe trends in scholarly communication
and for research libraries in general
www.arl.org
www.arl.org
www.arl.org
www.arl.org
www.arl.org
www.arl.org
www.arl.org
Data audit procedures
• Calculation and logical errors • Percent Increases – how large is too
large of an increase: http://www.arl.org/stats/arlstat/arlstatpercent.xls
• Comparison from year to year
• Summary Statistics
• Trends in key indicators
www.arl.org
www.arl.org
www.arl.org
www.arl.org
www.arl.org
Data audit procedures
• Calculation and logical errors• Percent Increases – how large is too
large of an increase: http://www.arl.org/stats/arlstat/arlstatpercent.xls
• Comparison from year to year
• Summary Statistics
• Trends in key indicators
www.arl.org
www.arl.org
Data audit procedures
• Calculation and logical errors• Percent Increases – how large is too
large of an increase: http://www.arl.org/stats/arlstat/arlstatpercent.xls
• Comparison from year to year
• Summary Statistics
• Trends in key indicators
www.arl.org
Availability of data and publications on the web
• Download preliminary data and print your own survey results
• Machine-readable data– http://www.arl.org/stats/arlstat/mrstat.html
• ARL Statistics publications (pdf)• Research Libraries Trends introduction,
graphs+ (html)• Electronic edition of the ARL Statistics at
the Geostat Center at the U. of Virginia
www.arl.org
www.arl.org
www.arl.org
www.arl.org
Upcoming Changes
• Volumes Held Collectively
• Expenditures for Electronic Resources move into the annual ARL Statistics
• E-Metrics pilot move into an annual supplementary survey
• Publish ARL membership criteria index as new table in the ARL Statistics publication
www.arl.org
Volumes held collectively
Volumes in Library: (See instruction Q1-4.)
1a. Volumes held June 30, 2002.(Exclude microforms, uncataloged govt. docs., maps, a/v material.Record figure reported last year or footnote adjusted figure on p. 4.)2. Volumes added during year -- Gross. (See instruction Q2.)(Exclude microforms, uncataloged govt. docs., maps, a/v material.)2a. Volumes withdrawn during year.(Exclude microforms, uncataloged govt. docs., maps, a/v material.)
3. Volumes added during year -- Net. (Subtract line 2a from line 2.)
1. Volumes held June 30, 2003. (Add line 1a to line 3.)
1b. Volumes held collectively June 30, 2003. 1c. Volumes held June 30, 2003 (locally and collectively) (Add line 1 to line 1b)
www.arl.org
From Supplementary into the ARL Statistics
• 1. Computer Files (one-time/monographic purchase) • 2. Electronic Serials• 3. Bibliographic Utilities, Networks, and Consortia• 3a. Library• 3b. External• 4. Computer Hardware and Software:• 5. Document Delivery/Interlibrary Loan• Service Hours and Staffed Services Points
• 9. Number of staffed library service points• 10. Number of weekly public service hours
www.arl.org
Use of Networked Resources & Related Infrastructure
• U1 – Number of electronic reference transactions
• U2 – Number of logins (sessions) to electronic databases
• U3 – Number of queries (searches) in electronic databases
• U4 – Items requested in electronic databases• U5 – Virtual visits to library’s website and
catalog
www.arl.org
Library Digitization Activities
• D1 – Size of library digital collection
• D2 – Use of library digital collection
• D3 – Cost of digital collection construction & management
www.arl.org
Feedback please
?
