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Report on Usability Process and Assessment of Yufind
 

Report on Usability Process and Assessment of Yufind

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    Report on Usability Process and Assessment of Yufind Report on Usability Process and Assessment of Yufind Presentation Transcript

    • Report on Usability Process and Assessment of Yufind Nelinet May 27, 2009 Usability and Assessment at Yale University Library http://www.library.yale.edu/usability
    • 2 Assess current behavior Collecting evidence from Orbis log files.
    • Log file line 3 12/2/07 20:06 20071202200646 Title Index TALL JOHN DOGGET JNR 0
    • Log file sample descriptive data 4 Most common search: title (41.8%) followed by keyword (31.4%) Average search phrase is 2.5 words long Most common phrase searched is united states Most common number of hits: 0 (21.4% )
    • Examples of title searches 5 BOOKS ON PHOTOGRAPHY? ALABAMA 2004? PATHOPHYSIOLOGY CHILDREN? Topic JOHNSON, JAMES? Name INTRODUCTION TO AFRICAN AMERICAN STUDIES: A READER? Close
    • Classification of Reasons for 0 Hits 6 N=506
    • Declining search types 7
    • Some conclusions from log analysis 8
    • Next Gen OPAC -- Yufind 9
    • Search for Geriatrics 10
    • 11 Conduct usability tests After deciding to implement Yufind, use data from log files to help design usability tests
    • Creating usability tests for Yufind 12 Objective: Would the participant see and choose facets? (more than 26% of the time) Priority = High Success = See and try to use the facets Objective: Would the participant use facets successfully? Priority = High Click on the appropriate facet and reach desired outcome within two clicks
    • E-books only service 13
    • Alternative interface for catalog 14
    • Questions 15 Find books within a set by a particular author (John Adams). In a set of books about healthcare, find some that are about healthcare reform. Within a subject-based display of ebooks find a topic-based subset.
    • 16
    • Facets: key findings 17 Were seen and sometimes used but Subsets didn’t always make sense Hard to navigate (not alphabetical) Little use of call number facet Some preferred search refinement to facets Participants noted potential usefulness: format, language Some users are a target market, others are not
    • Did facets increase metadata use? YES 18 Search Refinement Opportunities for Facet with 2nd search facet use Use|Success Use|Success 5 (question 2a undergraduate) 3|1 3|1 5 (question 5a undergraduate) 2|2 1|0 8 (question 5 medical) 4|4 4|1 9|7 8|1 All opportunities=18 50.0% | 38.9% 44.4% | 16.7%
    • Relevance ranking and facets 19
    • Best practices for facets 20 Implement a more narrowly focused search Present a limited number of facets based on user behavior Good facets require good data Well defined, mutually exclusive and have clear labels Facets work best when they are tied to the level of the search of selection process
    • 21
    • 22
    • Limit facets based on user behavior 23 First Level Second Level Author Availability Journal/book/video Location Language Fulltext Classification
    • 24 Implement changes and re-assess
    • Survey (83 respondents) 25 79.3% found the results they expected and 75.6% found what they needed 41 respondents or 50% tried facets. Of these, 85.0% were positive about the results. 57.8% of respondents preferred Yufind to Orbis System Usability Score = 66
    • First place you would look to find a 26 book? Answer Options Response Count Percent Orbis 33 40.2% Yufind 29 35.4% Google 14 17.1% Amazon 4 4.9% Worldcat 2 2.4%
    • 27 Standards & priority functionality
    • Patron empowerment 28
    • Error handling 29
    • Effective and efficient search and 30 delivery Provide alternative navigation through facets Visual shelf list Integration with circulation/ordering/ILL
    • Usability process 31 Assess current behavior Conduct usability protocol testing Implement changes and re-assess Determine standards & priority functionality Need more cooperative efforts
    • 32 Results available Send questions to kathleen.bauer@yale.edu http://www.library.yale.edu/libepub/usability/yulstudies.html Usability and Assessment at Yale University Library http://www.library.yale.edu/usability