Measuring Trends In Electronic Resources Usage
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Measuring Trends In Electronic Resources
Usage
Assessing Database Access at CSUSM
Hua Yi [email protected] Borin – [email protected]
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Why
• Big investment – material, $, staff• How are we doing – self assessment• Accountability – external responsibility • Identify trends –prepare for the Future• Goal – analyze usage and users
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Study Setting CSU San Marcos
• Founded: 1989 • Students: 7700 • Programs: 4 colleges + 1 coming• Degrees: 22 bachelors, 9 masters
1 EDD, 13 teaching credentials
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Scope
• Time – 2004 and 2005• Level – Level I• Platforms: SFX, Webhits,
databases• Access and Usage patterns
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How Much Use?
platform 2004 2005Web Hits 219,937 226,946SFX 135,583 158,607EbscoHost 134,490 116,825CSA 163,077 264,834JSTOR 183,100 222,264
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How Much Use?
50000
100000
150000
200000
250000
300000
2004 2005
WebHitsSFX
Ebsco
CSA
JSTOR
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Factors Weighted
• # of Users – FTES• Content controlled• Use/cost ratio
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FTES Factor
Access Change ratio
Change/ftes
Web Hits 3% 1%SFX 17% 14%EbscoHost -13% -15%CSA 62% 59%JSTOR 21% 19%
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Content Factor
Database Change/title
Change/title/ftes
JSTOR 15% 12%Ebsco-session
-29% -31%
Ebsco-session time
80% 76%
CSA 16% 13%
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Budget Factor - consortia
0
0.1
0.2
0.3
0.4
99-00 00-01 2001-02 2002-03 2003-04 2004-05
0
2
4
6
8
10
12
14
Ave
rag
e C
ost
per
Use
Ind
ivid
ual
use
s in
m
illi
on
$0.33
$0.24
$0.15 $0.13$0.10$0.11
Usage Average cost per usage
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Budget Factor - local
0
0.02
0.04
0.06
0.08
2004 2005
0
50000
100000
150000
200000
250000
300000
Ave
rag
e C
ost
per
Use
Ind
ivid
ual
use
s
$0.07
Usage Average cost per usage
$0.05
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Patterns
• When – month, day, hour• Where – on vs. off campus• What -- subjects
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Usage by Month
0
10000
20000
30000
40000
50000
60000
70000
80000
Web
SFX
CSA
EbscoJSTOR
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Day of Week
0100200300400500600700800900
1000
Spring
Fall
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Open & After Hour
0%
20%
40%
60%
80%
100%
After hour
Open hour
JSTOR EbscoHost
2004 20042005 20050%
20%
40%
60%
80%
100%
After hour
Open hour
0%
20%
40%
60%
80%
100%
After hour
Open hour
0%
20%
40%
60%
80%
100%
After hour
Open hour
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On vs. Off Campus
0%
20%
40%
60%
80%
100%
Off Campus
On Campus
0%
20%
40%
60%
80%
100%
Off Campus
On Campus
0%
20%
40%
60%
80%
100%
Off Campus
On Campus
JSTOREbscoHost
20052004 2004/05
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Usage By
Subject
57%
4%3%
19%
17%
Academic BioCom PsycOther
EbscoHost
8%
5%
15%
19%
9%
9%
35%
Area Bus Edu HisHum Sci Soc
JSTOR
43%
7%9%
41%
ERIC LLBA PAIS SOC
CSA
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Findings
• Use– A lot of use– Usage increase
• Worth investment – cost per use decline
• Users – Moving to off campus slowly– Moving to subject specific sources
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Trends
• Library e-resources growth• Campus courses move online
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Online Course Trend(spring semesters)
2001 2002 2003 2004 2005 2006
405
335
41
159 150
314
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Thank You