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<p class="MsoNormal"><span style="font-size:11.0pt">As I see it, like so many things in life…that depends, specifically on the question being asked. For example:<o:p></o:p></span></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">How often is this resource used? (with “used” being as general and broad as possible)
<o:p></o:p></span></li><ul style="margin-top:0in" type="circle">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Searches_Regular may be enough, unless that resource is part of a federated search service, in which case, Searches_Federated would need to be added
in.<o:p></o:p></span></li></ul>
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">How much information is provided by this resource?<o:p></o:p></span></li><ul style="margin-top:0in" type="circle">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Unique_Item_Requests (UIR) may be sufficient, but only if full text is provided. That would leave out non-full-text information that is provided.<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Unique_Item_Investigations (UII) expands the scope of the information provided to include the abstract, the item record, linked outputs, as well as the
full-text article.<o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">For broad-scope evaluations of a variety of databases and resources, we’ve been using Unique_Item_Investigations as a the most common metric. But if you were do evaluate a few resources that were similar,
you could use more nuanced metrics, such as efficiency (ratio of UII divided by Searches, or UIR/UII), or CPU based on UII.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Those are my thoughts…I’m sure there will be others.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Karen R. Harker, MLS, MPH, MS Advanced Data Analytics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Collection Assessment Librarian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">University of North Texas Libraries<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Denton, Texas<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">940-565-2688<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none"> Eril-l <eril-l-bounces@lists.eril-l.org>
<b>On Behalf Of </b>Electronic Resources in Libraries discussion list via Eril-l<br>
<b>Sent:</b> Thursday, March 20, 2025 3:15 PM<br>
<b>To:</b> eril-l@lists.eril-l.org<br>
<b>Subject:</b> [EXT] [Eril-l] question about COUNTER usage metrics<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Hi, I’d like to find out which metrics are used for which resource types.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I tend to use item requests for full-text databases and searches for index databases. Does that sound right?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">But I also wondered if/when I should use title requests for reference works like encyclopedias.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#BF4E14">Shulamis Hes<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt">E-Collections Librarian/ Public Services Librarian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt">Yeshiva University Libraries<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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