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This report delves into the Requests data from the ReCAP facility at Columbia University, analyzing the growth trends in request volume since its opening until FY11. Noteworthy findings include a total of 443,311 requests logged, with a shifting request pattern aligning with the academic calendar, and highlighting a net decline in volume during slower months. Graduate students and faculty show a higher engagement with offsite collections, indicating different usage behaviors among user groups. The impact of digital access on request patterns remains to be fully explored.
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ReCAP DataPart 2: Requests Zack Lane ReCAP Coordinator July 2011 ReCAP Columbia University
Findings: Requests • Request volume grew each year from the opening of ReCAP until FY09 • Since FY09 the total has grown very slowly • Impact of mass digitization is unknown • Monthly requests are in phase with the academic calendar • Net decline from busy to slow months is approximately 33% • Collections are increasingly renewed • Average user requests follow 80/20 rule ReCAP Columbia University
Request Data • The terms request and retrieval are used interchangeably in most ReCAP documentation • ReCAP tracks retrievals; CUL tracks requests • There is not a one-to-one correspondence • Majority of data corresponds • Since granular data is available only for requests, ReCAP Coordinator uses it for analysis ReCAP Columbia University
Request Data: Granularity • Barcode • Delivery Location • Default Delivery Location • Date • Time • Type • Patron Group • Bib ID • UNI • Hashed UNI • Format • Publishing Date • Language • Title • Holdings ID • Call Number • Enumeration/Chronology • Item ID • CLIO Location • Fiscal Year ReCAP Columbia University
Request Data • 443,311 total requests since ReCAP opened • FY08 : 59,755 • FY09 : 69,060 • FY10 : 71,119 • FY11 : 71,513 • Includes both patron and staff requests • Excludes many staff requests • Represents only CUL activity at the ReCAP facility • Patron access to offsite collections is excellent: dynamic with few failures ReCAP Columbia University
Charts ReCAP Columbia University
Total Volume by Fiscal Year • Every year CUL accessions more collections at ReCAP • With more collections at ReCAP, patrons have requested more items • Data does not include some staff requests and the Google Book Project • Volume did not significantly increase between FY09 and FY10 • This may be attributable to increased renewal of offsite collections ReCAP Columbia University
ReCAP Columbia University
Circulation Activity of Offsite Collections • Chart compares total volume of charges to renewals for ReCAP collections • Graduate students and Faculty request more offsite collections than Undergraduates • Graduate students and especially Faculty have higher renewal/charge ratios • Over time, these two patron groups tend to renew more than charge • CUL may expect to see steady or decreasing request volume as a result ReCAP Columbia University
ReCAP Columbia University
Total Volume by Month • Request volume is in phase with the academic calendar • Busiest months • Fall: October-November • Spring: February-April • Reduced volume between terms in Winter and Summer • In FY11 the busiest and slowest months were: • October: 7,195 • May: 4,637 ReCAP Columbia University
ReCAP Columbia University
Patron Statistics • 32,965 patrons have placed at least one request • Most frequent requesters are staff, requesting for both patron and internal purpose • 9.8 requests per user (excluding top staff) • Dividing users into between 10+ and <10 • 10+ account for 17.3% of population and 78.3% of all requests • <10 account for 82.7% of population and 21.7% of all requests ReCAP Columbia University
More Data Available • More information about data sets can be found on the ReCAP Data Center website • Primary data categories include: accession, retrieval, delivery and circulation • Tailored data sets and analysis will be provided to staff via the ReCAP Coordinator • Please see the main ReCAP website for general information about CUL procedures and systems ReCAP Columbia University