Collection Matters: Making decisions with basic circulation data
Collection Matters: Establishing harmony in our relationships Barbara Bourrier-Lacroix and Phil Bravo Collections Librarians Winnipeg Public Library What do we mean by harmony in our relationships? Official(ish) Agenda Data: Collection Analysis Turnover and Relative Use Goldilocks Challenge Next Steps: Shelving Allocations & Weeding More Data: Age of Collection Budget Allocations Questions and Quiz Winnipeg Public Library 2 Central libraries, 18 branches + Outreach Serves a population of 700,000 Centralized Selection 2006 study on selection and allocation processes Biggest recommendation: centralized selection 3 Collections Librarians responsible for entire collection at 20 branches Using Data & Statistics Data does not tell you what to do! It can tell you what you should look at and think about. Use data and
statistics to help make your decisions, but remember, you make the decisions. (Greiner & Cooper, p. 116) 2015 Percentage of Circulation at Winnipeg Public Library Online Resources; 11.00% French; 2.56% Audio-visual Materials; 12.98% Juvenile/YA Print Materials; 28.99% Adult Print Materials; 44.36% 2015 Adult Print Percentage of Circulation at Winnipeg Public Library Multilingual, Adult; 1.02% ABE/EAL; 1.88% Aboriginal Resources, Adult; 0.47% Magazines (English & Multilingual); 10.29% Fiction, Adult; 33.78% Paperbacks, Adult; 9.66% Large Print, Adult; 4.17% Non-fiction, Adult; 38.38% 2015 Adult Print Materials Percentage of Collection Scores; 0.50% Aboriginal Resources, Adult; 0.82% Magazines (English & Multilingual); 7.39% Multilingual, Adult; 2.07% ABE/EAL; 2.05% Paperbacks, Adult; 7.20% Large Print, Adult; 3.42%
Non-fiction, Adult; 50.82% Fiction, Adult; 25.74% Turnover Rate Circulation Number of books Relative Use % of Circulation % of Collection Size RU = 1 Collection is meeting demand RU > 1 Collection needs expansion RU < 1 Collection needs weeding BRANCH NUMBER OF ITEMS 2015 CIRC 2015 TURNOVER % OF ITEMS % OF CIRC RU A 3,010 18,799 6.25
3.20% 6.21% 1.94 B 2,472 9,388 3.80 2.63% 3.10% 1.18 C 3,910 14,205 3.63 4.16% 4.69% 1.13 D 6,709 24,427 3.64
7.14% 8.07% 1.13 E 26,370 56,821 2.15 28.08% 18.76% 0.67 F 3,179 6,911 2.17 3.38% 2.28% 0.67 G 1,995 6,978 3.50
2.14% 2.16% 1.01 T 3,868 15,325 3.96 4.12% 5.06% 1.23 TOTALS 93,918 302,861 % OF ITEMS % OF CIRC 30.00% 25.00% 20.00% 15.00% 10.00% 5.00% 0.00%
CHAS CNSH FTGA HEND MILL MUNR OBSN PEMB RIEL RIVH SBONe SJAS STJN SVTL SWST TRAN WKDN WNSP WSTN WSWD Branch Level Analysis Between Collections Branch Level Analysis Is the Collection Meeting Demand? % of Circulation 43.77% % of Collection 27.92% 16.19% 11.29% 1.44%1.70% 4.35% 2.21% 0.36%0.64% 2.41% 1.65% 0.48%0.83% 3.18% 2.01% 4.73% 3.05% Next Steps: Shelving Allocation & Weeding
Adult Nonfiction - Shelving Allocations Dewey Range Subject 000-099 Generalities 100-199 Circulation 24 months< Collection Size Percent of total circulation Percent of Relative Use - Over total 1 add/Under 1 collection weed Turnover Rate Proposed Shelf Allocations based on % of circulation 9832 3407 3% 2% 1.38
T 14177 53.87% 65% 12138 46.13% 35% Relationship Between Percentages of Budget Allocation and Circulation Percentage of Budget Allocation Percentage of Circulation 44% 40% 28% 15% 12% 13% 10% 6% A lt du P ils ra e at M
t r in n ve Ju P ile ls ria e at M t rin A ls r ia e at la M su Vi oi ud P ls ria e tS r in 4% 6% 7% 6% 3% 3%
io Zin 1% a pl o Ho 1% E IV R D ER V O S 0% SE A B TA A D LA 0% CE Patron/Staff Concerns It will lead to an imbalanced collection Users of popular parts of the collection have to put more books on hold and find fewer titles on the shelf than users of less popular parts of the collection. Im worried that the classics will be eliminated Usually classics circulate well; but if you feel you should keep a few titles so that theyre always available, theres plenty of room! Bibliography
Ellenberg, J. (2014) How Not To Be Wrong: The power of mathematical thinking. New York: Penguin Press. Greiner, T. Collection Development and Shelf Space: A Proposal for Nonfiction Collections, Public Libraries, 44(6), 347-50. Greiner, T. and Cooper, B. (2007) Analyzing Library Collection Use With Excel. Chicago: American Library Association. Hibner, H. and Kelly, M. (2013) Making a Collection Count: A Holistic Approach to Library Collection Management. 2nd Edition. Oxford, UK: Chandos Publishing. Johnson, P. (2014) Fundamentals of Collection Development and Management. 3rd Edition. Chicago: American Library Association. Wheelan, C. (2013) Naked Statistics: Stripping the dread from the data. New York: W. W. Norton. Questions? Barbara Bourrier-Lacroix [email protected] Phil Bravo [email protected] wpl.winnipeg.ca/library
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