[Eril-l] Cost per use from COUNTER 5 Ebook reports

[Sarah Glasser]

Hi Cindy,

At my library we decided to use the metric Unique_Title_Request for e-books because it is more in line with a print book circulation (i.e. a use of the book regardless of whether the patron used one or ten chapters). I think the unique-item-requests counts chapter/section use (the "item" can be either an entire book or a chapter).  On page 10 of the Friendly COUNTER 5 guide for books (attached - not sure attachment will come through distribution list but sending to your email too), it suggests using the Unique_Title_Request for calculating cost per usage.

Hope this helps.

Best regards,
Sally
**************************************
Sarah (Sally) Glasser
Serials and E-Resources Librarian
Axinn Library-Hofstra University
Hempstead, NY  11549

From: Eril-l <eril-l-bounces at lists.eril-l.org> On Behalf Of Harper, Cynthia
Sent: Monday, November 8, 2021 3:07 PM
To: eril-l at lists.eril-l.org
Subject: [Eril-l] Cost per use from COUNTER 5 Ebook reports

EXTERNAL MESSAGE
Hello - I am just realizing I may not be computing the unique titles used/requested for an ebook resource properly.

In the past, I have taken the number of titles mentioned in a TR report as the unique ebooks - what we would have had to purchase as firmorders if we wanted to replace the use we got from the subscription.

At first, I thought that that's what Unique_Item_Requests represented when I started using COUNTER 5 Report Tool. Now that I read the definition, I'm not so sure.  I haven't gone back in and compared the number of titles in my TR report to the Uniquet_Item_Requests in my PR reports, but I suspect they're not the same. And if I had used Unique_Title_Requests, would that have been better? Can anyone shed light on this please?


EBOOK USAGE AND COST PER USE





Jan-Oct.
10-month price
Jan-Oct.

platform
data_type
metric_type
year
reporting_period_total
subscr price
Firmorder cost 2021
Cost per Use
BloomsburyCollections
Book
Unique_Item_Requests
2021
92

$ 95.00
$ 33.19
Brill
Book
Unique_Item_Requests
2021
1


$ -
Cambridge Core
Book
Unique_Item_Requests
2021
146

$ 9.18
De Gruyter Platform
Book
Unique_Item_Requests
2021
6


$ -
EBSCOhost
Book
Unique_Item_Requests
2021
5230

$ 1,307.81
$ 1.10
Grove Music Online
Book
Unique_Item_Requests
2021
9


$ 190.56
JSTOR
Book
Unique_Item_Requests
2021
47

$ -
Manchester University Press
Book
Unique_Item_Requests
2021
6


$ -
Oxford African American Studies Center
Book
Unique_Item_Requests
2021
11

$ 85.91
Oxford Biblical Studies Online
Book
Unique_Item_Requests
2021
274


$ 6.28
Oxford Bibliographies
Book
Unique_Item_Requests
2021
33

$ 10.83
Oxford Dictionary of National Biography
Book
Unique_Item_Requests
2021
34


$ 45.64
Oxford English Dictionary
Book
Unique_Item_Requests
2021
735

$ 0.54
Oxford Handbooks Online
Book
Unique_Item_Requests
2021
178


$ 8.82
Oxford Reference
Book
Unique_Item_Requests
2021
1

$ -
Oxford Research Encyclopedias
Book
Unique_Item_Requests
2021
6


$ -
Oxford Scholarship Online
Book
Unique_Item_Requests
2021
11

$ -
ProQuest
Book
Unique_Item_Requests
2021
3


$ -
ProQuest Ebook Central
Book
Unique_Item_Requests
2021
3036

$ 2,831.94
$ 3.41
Project MUSE
Book
Unique_Item_Requests
2021
1218

486.25
$ 1.77
Wiley Online Library
Book
Unique_Item_Requests
2021
2

$ -


Cindy Harper
Electronic Services and Periodicals Librarian
Virginia Theological Seminary, Box 159
3737 Seminary Road
Alexandria, VA 22304
charper at vts.edu<mailto:charper at vts.edu>
(703)461-1794

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