Measuring Trends In Electronic Resources Usage

Measuring Trends In Electronic Resources

Usage

Assessing Database Access at CSUSM

Hua Yi --hyi@csusm.eduJackie Borin – jborin@csusm.edu

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