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Measuring Trends In Electronic Resources Usage. Assessing Database Access at CSUSM Hua Yi [email protected] Jackie Borin – [email protected]. Why. Big investment – material, $, staff How are we doing – self assessment Accountability – external responsibility - PowerPoint PPT Presentation
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Measuring Trends In Electronic Resources
Usage
Assessing Database Access at CSUSM
Hua Yi [email protected] Borin – [email protected]
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
Study Setting CSU San Marcos
• Founded: 1989 • Students: 7700 • Programs: 4 colleges + 1 coming• Degrees: 22 bachelors, 9 masters
1 EDD, 13 teaching credentials
Scope
• Time – 2004 and 2005• Level – Level I• Platforms: SFX, Webhits,
databases• Access and Usage patterns
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
How Much Use?
50000
100000
150000
200000
250000
300000
2004 2005
WebHitsSFX
Ebsco
CSA
JSTOR
Factors Weighted
• # of Users – FTES• Content controlled• Use/cost ratio
FTES Factor
Access Change ratio
Change/ftes
Web Hits 3% 1%SFX 17% 14%EbscoHost -13% -15%CSA 62% 59%JSTOR 21% 19%
Content Factor
Database Change/title
Change/title/ftes
JSTOR 15% 12%Ebsco-session
-29% -31%
Ebsco-session time
80% 76%
CSA 16% 13%
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
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
Patterns
• When – month, day, hour• Where – on vs. off campus• What -- subjects
Usage by Month
0
10000
20000
30000
40000
50000
60000
70000
80000
Web
SFX
CSA
EbscoJSTOR
Day of Week
0100200300400500600700800900
1000
Spring
Fall
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
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
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
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
Trends
• Library e-resources growth• Campus courses move online
Online Course Trend(spring semesters)
2001 2002 2003 2004 2005 2006
405
335
41
159 150
314
Thank You
