Search (80 results, page 1 of 4)

  • × theme_ss:"Benutzerstudien"
  • × year_i:[1990 TO 2000}
  1. Yuan, W.; Meadow, C.T.: ¬A study of the use of variables in information retrieval user studies (1999) 0.11
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    Abstract
    This article reports on an exploratory study of the measurement of commonality in the use of variables or measures by authors and groups of authors who have reported on studies of information retrieval system users. There is some similarity to co-citation analysis in that, when 2 individual papers, or 2 authors of sveral works, use the same variables, this indicates a similarity in approach to the subject. Such usage may be a stroger indication of similarity than co-citation be cause it represents what the authors did, rather than what they say
  2. Anderson, J.: Have users changed their style? : a survey of CD-ROM vs. OPAC product usage (1995) 0.08
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    Abstract
    Reports results of a survey of the online searching techniques of 50 university students, undergraduate and graduate, using the OPAC and CD-ROM databases at the Hayden Library, Arizona State University. The type of searching, use of library staff and online help screens, exposure to library user training, and length of time at the terminal for citation versus abstract products were recorded and analyzed. Results indicate that: a balance of online help products and library staff interaction is needed when providing help for users; careful attention needs to be paid to increasing the number of terminals and connections as abstracts are added to the databases being offered on the networks; and that even with exposure to more advanced searching techniques, users till rely on simple subject searching to locate required materials
  3. Wallace, P.M.: Periodical title searching in online catalogues (1997) 0.05
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    Abstract
    Reports on a dramatic shift from subject to periodical title searching at Colorado University Libraries. States possible reasons for the change, examines problems encountered by users with searching the periodical title index and suggests how this change in online catalogue searching may affect future catalogue design and bibliographic instruction
    Date
    29. 7.1998 10:57:22
  4. Tomney, H.; Burton, P.F.: Electronic journals : a case study of usage and attitudes among academics (1998) 0.05
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    Abstract
    Reports results of a questionnaire survey to assess the attitudes of scholarly users towards electronic journals and examines the current level of use of these publications by university academics in 2 departments in each of 5 faculties of a UK university
    Date
    22. 5.1999 19:07:29
  5. Snavely, L.; Clark, K.: What users really think : how they see and find serials in the arts and sciences (1996) 0.03
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    Abstract
    New users encounter numerous stumbling blocks in their search for periodicals, including use of indexes; understanding the citation; searching the online catalogue for the periodical record; interpreting the periodicals holdings; and finally locating the item on the shelf. Each step presents problems that users bring to the reference desk. Suggests user oriented solutions relating to cataloguing practices, screen design, and linking local holdings to periodical databases. Increased collaboration between librarians and those creating the records and providing the access is essential for meeting end user needs
  6. Solomon, P.: Children's information retrieval behavior : a case analysis of an OPAC (1993) 0.02
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    Abstract
    This article reports research that explored children's information retrieval behavior using an OPAC in an elementary school library. The study considers the impact of a variety of factors including user characteristics, the school setting, interface usability, and information access features on children's information retrieval success and breakdown. The study reports the overall patterns of children's behavior that influence success and breakdown in information retrieval as well as findings about the intentions, moves, plans, strategies, and search terms of children in grades one through six
  7. Nahl, D.: Ethnography of novices' first use of Web search engines : affective control in cognitive processing (1998) 0.02
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    Abstract
    Reports results of a study, conducted at Hawaii University, Department of Information and Computer Science, to understand the novide searchers' experience in learning to use a WWW search engine. Without prior searching instruction, undergraduate novives wrote structured self reports during their first session on a Web search engine. Users choose their own topics and followed written instructions that prompted them to describe thoughts and feelings during specified stages of the search; pre search formulation; search statement formulation; search strategy; and evaluation of the results. The sentences in the self reports were numbered and then coded according to their affective or cognitive function. The affective sentences reveal how users set goals and limit the scope of the cognitive operations. Search acts appear to be governed by an affective filter that organizes incoming information and provides criteria for ranking cognitive relevance to search goal. Content analysis identifies reasons users have for rating self confidence, stress level, satisfaction, usefulness, and success with future searches
  8. Haarala, A.-R.: Online catalogue SESAM at Tampere University of Technology Library (1991) 0.02
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    Abstract
    Reports results of user surveys carried out using the SESAM OPAC at Tampere University of Technology Library, Finland, 1984-1988
  9. Markey, K.: Thus spoke the OPAC user (1993) 0.02
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    Abstract
    Reports on the results of focused group interviews conducted by OCLC of library users and OPACs. Library users, library public and technical services staff at six libraries were interviewed. Details their neeeds and perceptions
  10. Liebscher, P.; Abels, E.G.; Denman, D.W.: Factors that influence the use of electronic networks by science and engineering faculty at small institutions : Part II: Preliminary use indicators (1997) 0.02
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    Abstract
    Reports results of a study that examined factors influencing the adoption and use of electronic networks by science and engineering faculty in 6 small universities in the southerneaster USA. Part of the study gathered data on the purpose, type, and extent of electronic communications. Data were gathered by mail questionnaire and by follow up site visits. Reports on 5 types of network use, electronic mail, electronic discussion groups, accessing remote databases, accessing remote computer facilities, and file transfer. For each service, data are reported for frequency of use by purpose: research, teaching administration, social and current awareness. Outlines preliminary use indicators for each service in terms of heavy and moderate use
  11. Cherry, J.M.: Improving subject access in OPACs : an exploratory study of conversion of user queries (1992) 0.01
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    Abstract
    In a study at the University of Toronto libraries, observers recorded protocols for 100 OPAC search sessions. This article reports on the analysis of these protocols, and examines zero-hit subject searches in particular to explore the the effectiveness of various conversions of users' queries to improve recall. Although the number of zero-hit subject searches analyzes was small, this exploratory study yielded some findings that merit consideration in efforts to improve subject access in OPACs.
  12. Lehmann, S.; Renfro, P.: Humanists and electronic information services : acceptance and resistance (1991) 0.01
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    Abstract
    The design and implementations of online systems in libraries have proceeded without much demonstrated empirical understanding of the complexities of users' needs. Reports interviews with a group of humanist scholars at the Univ. of Pennsylvania about their experiences with the Research Libraries Information Network (RLIN) database. These interviews yielded a wide range of responses. 4 factors emerged consistently as significant determinants of use: content, connectivity, user-friendliness, and cost. Discusses and evaluates the significance of these factors, individually and in relation to one another
  13. Bryant, P.: Use and understanding of the library catalogues in Cambridge University Library : a survey (1993) 0.01
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    Abstract
    Reports the result of survey of users of the library catalogues in Cambridge University Library carried out in 1992 which aimed to discover the uses of the catalogues and the user's understanding of them. Describes the projects objectives, gives a history of the Cambridge University Library, describes the catalogues and details the conduct of the survey and results
  14. Wang, P.; Soergel, D.: Beyond topical relevance : document selection behaviour of real users of IR systems (1993) 0.01
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    Abstract
    Reports on part of a study of real users' behaviour in selecting documents from a list of citations resulting from a search of an information retrieval system. Document selection involves value judgements and decision making. Understanding how users evaluate documents and make decisions provides a basis for designing intelligent information retrieval system that can do a better job of predicting usefulness
  15. Solomon, P.: Children, technology, and instruction : a case study of elementary school children using an online public access catalog (OPAC) (1994) 0.01
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    Abstract
    Reports on a study at an elementary school in Washington, DC examining pupils' use of an OPAC. Presents this within the overall instructional environment of the school in order to open a window on the broader interaction of children, technology, curriculum, instruction and learning. Explains the methodology used in the study, the findings of the study, and notes a number of conclusions. Focuses in particular on the patterns of success and failure of children's use of the OPAC, their search strategies and the nature of their interaction with the OPAC
  16. Mann, L.; Ball, C.: ¬The relationship between search strategy and risky choice (1994) 0.01
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    Abstract
    Reports on a study which found that an individual's search process and strategies are related to the nature of subsequent choices. Individuals who searched little information were more likely to choose risky, money loosing options. the findings, which demonstrate consistency between search and choice, indicate that different parts of the decision making process are coherent
  17. Kilgour, F.G.: Online retrieval of single-screen miniature catalogues by university library users (1995) 0.01
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    Abstract
    Reports the findings of an experiment simulating use of a university OPAC by academic library users. Examines how effective are online searches by university library users employing surname plus first title word, or last title word, or first and last title words in producing miniature catalogues of i screen. The searches were known item searches for books
  18. McCurley, H.H.; Weisbrod, E.J.: Use of series title authority cross-references at a large university library (1996) 0.01
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    Abstract
    Reports results of a study, conducted at the Ralph Brown Draughton Library, Auburn University, Alabama, to determine whether users employ the cross references provided by the series title authority file in their searches of the library's OPAC. Presents and discusses the results of a transaction log analysis focusing attention on the usefulness of cross references from series title authority records, since only searches that required such cross reference appeared in the transaction log report. Results indicate that users do use the cross references gathered by series title authority records
  19. Berger, M.; Moore, M.J.: ¬The user meets the MELVYL system (1996) 0.01
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    Abstract
    Reports on a study carried out by the Division of Library Automation, University of California, into the characteristics of use and the success rates of users searching the MELVYL Catalog and Ten-Year databases. Examines a series of user sessions extracted randomly from the MELVYL transaction log and developing a profile of online system use. 1.444 sessions were chosen from 11-17 Apr 92. 3 levels of use were examined: the individual command, the search objective, and the session. Details the findings, and discusses their design implications
  20. Read, J.: 'What do you want?' : a question academic libraries should be asking their users (1997) 0.01
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    Abstract
    Reports a strategy adopted at Reading University Library in the UK, using Libra software and methodology developed by Priority Search Ltd. in conjunction with the University of London Library, to determine a way of adjusting the library opening hours to satisfy the needs of the greatest number of users. Describes the survey methodology and administration, discusses survey findings, offers tips for librarians in dealing with users, and considers the creative nature of such a survey

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