Task analysis cases and results for Ex Libris Primo at Purdue University Libraries

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By Marlen Promann1, Tao Zhang1

Purdue University

These figures represent the task analysis results of different use cases of Ex Libris Primo implemented at Purdue University Libraries, depending on the availability and format of the resource being searched by the user.

Version 1.0 - published on 06 Nov 2014 doi:10.4231/R7CZ3538 - cite this Archived on 25 Oct 2016

Licensed under Attribution-NonCommercial-ShareAlike 3.0 Unported

Article CASE 1 only digi available.png Article CASE 2 pintdigi.png Article CASE 3 only print available.png Article CASE 4 no print or digi available.png Book CASE 1 only on shelf.png Book CASE 2 restricted print - request.png Book CASE 3 printdigi but request.png Book CASE 4 no book - order.png EBook CASE 1 digi.png EBook CASE 2 listed but not full access.png EBook CASE 3 not listed UBorrow.png


This study proposes hierarchical task analysis (HTA) as an important complementary evaluation method to usability testing of discovery layers. This data set presents the application of HTA as an expert based and workflow centered (e.g. retrieving a relevant book or a journal article) method to evaluating discovery layers. Purdue University’s Primo by Ex Libris was used to map eleven use cases as HTA charts. Nielsen’s Goal Composition theory was used as an analytical framework to evaluate the goal charts from two perspectives: a) users’ physical interactions (i.e. clicks), and b) user’s cognitive steps (i.e. decision points for what to do next). 

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