Search (48 results, page 1 of 3)

  • × theme_ss:"Benutzerstudien"
  • × year_i:[1980 TO 1990}
  1. Kantor, P.B.: ¬A model for stopping behavior of the users of on-line systems (1987) 0.06
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    Source
    Journal of the American Society for Information Science. 38(1987), S.211-214
  2. Croucher, C.: Problems of subject access : user studies and interface design (1986) 0.06
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    Abstract
    A research project at Middlesex Polytechnic is examning the problems of subject access in an OPAC. A series of user studies have been carried out which examined students' use of existing catalogue facilities, which in turn led to the experimental evaluation of various interface designs for an online catalogue. The experiments were primarily concerned with the effect of the following variables on the speed and accuracy of retrieval of specific items, the use of colour, the speed of presentation of information, the amount of information on a screen, the paging and scrolling of information, the position of a sought item within a list
  3. Borgman, C.L.: Why are online catalogs hard to use? : lessons learned from information-retrieval studies (1986) 0.05
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    Abstract
    Research in user behavior on online catalogs is in its early stages, but preliminary findings suggest that users encounter many of the same problems identified in behavioral studies of other types of bibliographic retrieval systems. Much can be learned from comparing the results of user behavior studies on these two types of systems. Research on user problems with both the mechanical aspects and the conceptual aspects of system use is reviewed, with the conclusion that more similiratiy exists across types of systems in conceptual than in mechanical problems. Also discussed are potential sources of the problems, due either to individual characteristics or to system variables. A series of research questions is proposed and a number of potential interim solutions ae suggested for alleviating some of the problems encountered by users of information systems
    Source
    Journal of the American Society for Information Science. 37(1986), S.387-400
  4. Lewis, D.W.: Research on the use of online catalogs and its implications for library practice (1987) 0.04
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    Abstract
    Research on the use of online catalogs has challenged many assumptions about the behavior of library users. It has demonstrated that many of the patterns of behavior observed in the use of card catalogs were adaptions to the card technology; often behavioral patterns are different in an online environment. These studies have indicated that patrons prefer online catalogs and use them more, but they also show inadequacies in bibliographic practice, especially in the area of subject access.
    Source
    Journal of academic librarianship. 13(1987), S.152-157
  5. Rowley, J.E.: CD-ROM versus online : an evaluation of the effects of the user interface on search effectiveness; a pilot study (1989) 0.04
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    Abstract
    A controlled set of searches have been conducted by a group of searchers, at Manchester Polytechnic Library, on a trial subset of the British National Bibliography (BNB) data base on both CD-ROM and on-line. Various measures of search effectiveness and effiency were examined in relation to the effect of the differing user interface, including recall, precision, search time, user satisfaction and other more subjective factors. Discusses the potential for further research on the evaluation of CD-ROM.
    Source
    Online information 89: Proceedings of the 13th International Online Information Meeting, London, 12-14 December 1989
  6. Cochrane, P.A.; Markey, K.: Catalog use studies : since the introduction of online interactive catalogs, impact on design for subject access (1983) 0.03
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  7. Hancock, M.: Subject searching behaviour at the library catalogue and at the shelves : implications for online interactive catalogues (1987) 0.03
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    Abstract
    Searching behaviour in a university library is studied using a holistic approach, encompassing the use of bibliographic tools and shelf browsing. The present study is designed as the first half of a 'before and after' study to permit the evaluation of the impact of a future online catalogue on users' searching behaviour. A combined methodology was devised: searchers were encouraged to talk aloud during their search, and this information, together with some probing and real time expert interpretation, enabled the experimente to record the searching activity on a highly structured observation form. The study reveals the extent of subject searching activity, and suggests that this may have been underestimated in previous studies. The analysis of expressed topics, search formulation strategy and documents retrieved reveals the adaptive nature of the subject searching process, whereby the user adapts to the structure of the available tools. The information retrieval task in a traditional library system is tailored by the system to a single, one dimensional, sequential process. It is suggested that a major obstacle to subject searching effectiveness may lie in the lack of interaction between the different possible approaches in the searching process: the indexing language, the classification, and the titles. It is to be hoped that a future online searching environment will encourage a more truly interactive approach to subject searching.
    Source
    Journal of documentation. 43(1987), S.303-321
  8. Matthews, J.R.; Lawrence, G.S.; Ferguson, D.K.: Using online catalogs : a nationwide survey, a report of a study sponsored by the Council on Library Resources (1983) 0.03
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    Footnote
    Report of the CLR study
    LCSH
    Online library catalogs / Use studies
    Library catalogs / Use studies
    Subject
    Online library catalogs / Use studies
    Library catalogs / Use studies
  9. Wilson, T.D.: On user studies and information needs (1981) 0.03
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    Abstract
    Apart from information retrieval there is virtually no other area of information science that has occasioned as much resarch effort and writing as 'user studies'. Within user studies the investigation of 'information needs' has been the subject of much debate and no little confusion. The aim of this paper is to attempt to reduce this confusion by devoting attention to the definition of some concepts and by proposing the basis for a theory of the motivations for information-seeking behaviour
    Footnote
    Wiederabdruck in: Journal of documentation. 62(2006), no.6, S.658-670 mit weiteren darauf Bezug nehmenden Beiträgen.
    Source
    Journal of documentation. 37(1981), S.3-15
  10. Beheshti, J.: ¬A cross-sectional study of the use of the library books by undergraduate students (1989) 0.02
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  11. Beheshti, J.: ¬A longitudinal study of the use of library books by undergraduate students (1989) 0.02
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  12. Broadbent, E.: ¬A study of the use of the subject catalog, Marriott Library, University of Utah (1984) 0.02
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  13. Kaske, N.K.: ¬A comparative study of subject searching in an OPAC among branch libraries of a university library system (1988) 0.02
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    Abstract
    The degree of variability in the percentage of subject searching in an online public access catalog (OPAC) among branch libraries of one university was studied. A full semester's worth of transactions was analyzed, not sampled. The time units used were hour of the day, day of the week, and week of the semester. The findings show that subject searching varies from a low of 22% to a high of 74% over the hours of a day. Variability for the days of the week ranged from 17% to 64%, and for the weeks of the semester variability ranged from 12% to 70%. Valuable management information on the utilization of the OPAC within each brach library and among all the branch libraries is provided through numerous charts and graphs.
  14. Markey, K.: Online catalog use : results of surveys and focus group interviews in several libraries (1983) 0.02
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  15. Markey, K.: Subject searching in library catalogs : Before and after the introduction of online catalogs (1984) 0.02
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    Theme
    Klassifikationssysteme im Online-Retrieval
  16. Norden, D.J.; Lawrence, G.H.: Public terminal use in an online catalog : some preliminary results (1981) 0.02
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    Abstract
    The authors have studied the transaction counts from two and one-half years activity at the public use terminals of the Ohio State University Libraries' prototype online card catalog to determine what search options academic library patrons use the most often and whether this pattern varies from that reported in major catalog use studies. The preliminary findings indicate significant differences in search strategy that may result from a unique user group that prefers to search the online catalog, more useful searches in the online system, or special search patterns imposed by the computer hardware itself. Both the different searches used by patrons and why they choose them should be important factors in the design of future online catalogs
  17. Pulis, N.V.; Ludy, L.E.: Subject searching in an online catalog with authority control (1988) 0.02
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    Abstract
    Results of previous catalog research indicate that users want improvements in subject searching features, noting display of terms related to their topics as especially desirable. This study reports the findings of an examination of subject searchers' use of such a feature provided through online display of authority information from Library of Congress Subject Headings for terms used in the catalog. It was found that, of the terms entered by users, 78 percent were an exact or close match to catalog terms, and another 14 percent matched "see" references. Although additional information was available for nearly half of the searches performed, it was used in only 28 percent of these cases. It is suggested that improvements in subject searching features are needed to encourage use of available syndetic structures
  18. Senzig, D.: Library catalogs for library users (1984) 0.02
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    Abstract
    As librarians evaluate the capabilities of online catalogs they will need to consider what information users expect to find in the catalog and what characteristics of the catalog will help users in their search for this information. The findings of studies concerning how library users actually use card catalogs and online catalogs, and their successes and failures in that use, can be used to determine the capabilities that are needed in anonline catalog to satisfy the bibliographic requests of library users
  19. Packer, K.H.; Michaud, J.M.: ¬The use and users of COM catalogues at the University of Toronto and the Mississauga Library System (1983) 0.02
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    Abstract
    Three studies were made of the use of COM catalogues at the University of Toronto and the Mississauga Library System: unobtrusive observations, structured interviews, and a timed-search experiment in reel, fiche and card catalogues. The reel catalogue was found to be the overwhelming favourite, almost as popular in the public library as in the academic library, where 82% of the users reported it to be their preferred form of catalogue. However, for nearly all test questions and searcher types in the timed-search experiment, successful searches required less time in the card catalogue than in either form of the COM catalogues.
  20. Sage, C.; Klaas, J.; Spalding, H.H.; Robinson, T.: ¬A queueing study of public catalog use (1981) 0.02
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    Abstract
    The authors conducted a six-week queueing study of public catalogs in the Iowa State University library system. Data gathered are analyzed primarily to determine if routinely gathered library statistics can validly be used to predict catalog usage, to discover the ratio between the usage of the card catalog and the serials catalog, and to pinpoint the time of peak card catalog usage in order to measure more closely the rate of use. This measurement, then, provides one factor in a simulation model that can be constructed to predict accurately the number of devices needed for an alternative catalog format

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