E-book DDA Update

E-book DDA Update

Maria SavovaCollection Management & Digital Integration Librarian

SCELC Colloquium – March 5, 2014

Overview

~50,000 DDA titles from EBL (updating profile + manual additions)

5 Months: Oct 2013 – Feb 2014 Autopurchase on 5th short term loan (STL) List price of titles used $347,600 Spent $32,650 (9.3%):

57 autopurchases @ $ 5,764 2598 STLs @ $ 26,888

Summary of usage - # of uses

Free browses STLs Autopurchase0

500

1000

1500

2000

2500

3000

3500

2866(44%)

526(8%)

478 (7%)

2598(40%)

57 (7%)

Paid Free

Is our purchase trigger at the right place? 1 STL – 1594 titles (78%) 2 STLs – 237 titles (12%) 3 STLs – 66 titles (3%) 4 STLs – 83 titles (4%) Autopurchased (on 5th paid use) – 57 titles (3%)

47 titles used again after autopurchase:▪ 28 titles used between 1 and 10 times▪ 13 titles used between 11 and 20 times▪ 5 titles used between 25 and 73 times

Of the 10 titles not used again after autopurchase, half were purchased in Feb.

Who uses the service?

Faculty Students Staff

149

1247

53544

5783

177

# of unique users # of uses

20% of all faculty on campus and 18% of all students have used a DDA e-book at least once.

89% of all use comes from students, 8% from faculty, 3% from staff.

The average number of uses per individual user is:3.65 for faculty,4.64 for students,3.34 for staff

Which content is being used?

AH SS ST0.00%

10.00%

20.00%

30.00%

40.00%

50.00%

60.00%

70.00%

470(17.52%)

1648 (61.42%)

565(21.06%)

Unique titles by discipline

Which content is being used?

Agricul

ture

Anthrop

ology

Art & Arch

itectu

re

Biologic

al Scie

nces

Busine

ss & Ec

onom

ics

Chemistr

y

Compu

ter Sc

ience

Educa

tion

Engin

eerin

g & Te

chnolo

gy

Geogra

phy &

Earth

Scien

ces

History

& Auxiliar

y Scie

nces

Langu

age,

Lingu

istics

& Litera

ture

Law

Librar

y Scie

nce, G

enera

lities &

Referen

ce

Mathem

atics

Medicin

e

Music &

Perfo

rming

arts

Music a

nd pe

rform

ing ar

ts

Philos

ophy

& Religion

Physi

cal Sc

iences

Politic

al Scie

nce

Psycho

logy

Socio

logy

0.00%

5.00%

10.00%

15.00%

20.00%

25.00%

30 53 11 68

523

19 73206179

28123183

1 2294 24 27 2

12450

257142

444

Unique titles by subject

Which content is being used?

2001 2002 2003 2004 2005 2006 2008 2009 2010 2011 2012 2013 20140

500

1000

1500

2000

2500

3000

5 2 4 5 3 8 9 13

859

1108

1610

2762

1373 2 3 2 1 2 4 6

352449

669

1337

76

Titles and number of uses by year of publication

Uses by year of publication Titles by year of publication

Which content is being used?

Average number of uses per title varies between 2 and 3 for most publishers. Notable exception – NYU Press with 5.57 average uses per title

Taylor

and F

rancis

Wiley

Cambri

dge Univ

ersity

Press

Prince

ton Univ

ersity

Press

Spring

er

Palgra

ve Macm

illan

NYU Pr

ess

Elsevi

er Sci

ence

Duke Univ

ersity

Press

Univers

ity of

Chica

go Pr

ess

Oxford

Univers

ity Pr

ess, U

SA

Rowman

& Little

field P

ublish

ers

Univers

ity of

Califo

rnia P

ress

OUP Oxfo

rd

Stanfo

rd Univ

ersity

Press

0200400600800

100012001400160018002000 1854

742 694

322 310 301 195 162 159 143 142 132 125 123 85

902

389 295115 189 123 35 60 48 47 70 41 37 44 37

Titles and number of uses by pub-lisher

Uses by publisher Titles by publisher

At what time of day is the content accessed?

8-9 am

9-10 am

10-11 am

11 am - 12 pm

12-1 pm

1-2 pm

2-3 pm

3-4 pm

4-5 pm

5-6 pm

6-7 pm

7-8 pm

8-9 pm

9-10 pm

10-11 pm

11 pm - 12 am

12-1 am

1-2 am

2-3 am

3-4 am

4-5 am

5-6 am

6-7 am

7-8 am

0%2%4%6%8%

10%12%14%

Dec 24 - Jan 20 (Winter break)

8-9 am

9-10 am

10-11 am

11 am - 12 pm

12-1 pm

1-2 pm

2-3 pm

3-4 pm

4-5 pm

5-6 pm

6-7 pm

7-8 pm

8-9 pm

9-10 pm

10-11 pm

11 pm - 12 am

12-1 am

1-2 am

2-3 am

3-4 am

4-5 am

5-6 am

6-7 am

7-8 am

0.00%

2.00%

4.00%

6.00%

8.00%

Sep 27 - Dec 23; Jan 21-Feb 25 (During the semester)

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