Search (60 results, page 1 of 3)

  • × theme_ss:"Benutzerstudien"
  1. Coles, C.: Information seeking behaviour of public library users : use and non-use of electronic media (1999) 0.06 
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    Abstract
    This paper highlights some of the significant findings from author's PhD: "Factors affecting the end-use of electronic databases in public libraries." Public libraries have a wide range of different types of users who, unlike academic or special library users, are not necessarily information-trained (see Coles, 1998). Whereas the academic, special library user may have specific information needs that can be met by electronic sources, public library users do not necessarily have such specific information needs that can easily be identified and met. Most user surveys have tended to concentrate on the searching and retrieval aspect of information seeking behaviour, whereas this study's user survey focused more on how people perceived and related to Information and Communication Technologies (ICTs). It was not how people searched a particular electronic source, in this case CD-ROM, that was of prime interest but rather whether or not people actually used them at all and the reasons why people did or did not use electronic media. There were several reasons the study looked at CD-ROM specifically. Firstly, CD-ROM is a well established technology, most people should be familiar with CD-ROM/multimedia. Secondly, CD-ROM was, at the start of the study, the only open access electronic media widely available in public libraries. As well as examining why public library users chose to use electronic sources, the paper looks at the types of CD-ROM databases used both in the library and in general Also examined are what sort of searches users carried out. Where appropriate some of the problems inherent in studying end-users in public libraries and the difficulty in getting reliable data, are discussed. Several methods were used to collect the data. I wished to avoid limiting research to a small sample of library sites, the aim was to be as broad in scope as possible. There were two main groups of people 1 wished to look at: non-users as well as CD-ROM users
    Date
    22. 3.2002 8:51:28
  2. Collantes, L.Y.: Degree of agreement in naming objects and concepts for information retrieval (1995) 0.05 
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    Abstract
    The research described in this article extends work done on human behavior in naming concepts and objects by adapting a methodology developed at Bell Labs and applying it to a library indexing language, the Library of Congress Subject Headings. The study investigated the representation of users' knowledge (names of objects and concepts), database representation for similar objects and concepts, and degree of agreement among users and between users and information systems. Three user groups give names to 40 stumuli. Names generated were compared with each other and with LCSH. Degree of agreement was calculated using similarity measures. The analyses identified patterns of agreement and variability in naming. There was little agreement in the names people use and the names recommended for use by LC, implying that retrieval systems should do more to accomodate common naming behavior
  3. Bucknall, T.; Mangrum, R.: U-search : a user study of the CD-ROM service at the University of North Carolina at Chapel Hill (1992) 0.04 
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    Abstract
    Members of the reference staff of the North Carolina University at Chapel Hill, Davis Library, conducted a month-long electronic survey of users of the U-search CD-ROM service in spring 91. Evaluates the 1.135 responses to a variety of questions pertaining to public service issues, user attitudes towards CD-ROM searching, and the place of CD-ROM within the overall research strategy
  4. Jacobson, T.E.; Newkirk, J.G.: ¬The effect of CD-ROM instruction on search operator use (1996) 0.04 
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    Abstract
    Reports results of a survey of 675 CD-ROM users at State University of New York at Albany Libraries, obtaining data from both questionnaires and actual search strategies. The primary aim was to investigate the effect of prior user training or assistance on CD-ROM search strategy. A statistically significant but weak relationship was found between prior rtraining and level of search skill. Other measures such as user status, department affiliation of major, age, sex, and number of previous CD-ROM uses were compared to search skill. Only user status and department affiliation or major were significantly correlated to search skill. Concludes that additional research is needed on the effectiveness of various types of CD-ROM training
  5. Perzylo, L.; Oliver, R.: ¬An investigation of children's use of a multimedia CD-ROM product for information retrieval (1992) 0.03 
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  6. Dyer, H.; Bouchet, M.-L.: ¬A comparison between the perceived value of information retrieved via end-user searching of CD-ROMs and mediated online searching (1995) 0.03 
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    Abstract
    W.S. Cooper's utility theory was used to evaluate end user and mediated searching of online and CD-ROM databases. The searches were conducted by 510 end users, using MEDLINE. The relevance of the references and the usefulness of the documents retrieved were examnied. The study also assessed the perceived value to end users of the information retrieved. Mediated online searching cost 3 times as much as end user CD-ROM searching, but was only about twice as effective in terms of user satisfaction; user convenience should be a high priority for the information provider and mediated CD-ROM searching may be the best compromise currently available as regards cost effectiveness and successful information retrieval for end users
  7. Efthimiadis, E.N.: ¬A study of end-user behaviour in searching CD-ROM bibliographic databases (1994) 0.03 
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    Abstract
    The searching behaviour of 79 end-users of CD-ROM databases was studied at the UCLA campus libraries. The results indicate that users lack basic knowledge on how to search and consequently their searches are not effective despite their efforts. Users therefore need help through training but most importantly by improving the CD-ROM user interfaces and retrieval systems
  8. Kaltenborn, K.-F.: Endnutzerrecherchen in der CD-ROM-Datenbank Medline : T.1: Evaluations- und Benutzerforschung über Nutzungscharakteristika, Bewertung der Rechercheergebnisse und künftige Informationsgewinnung; T.2: Evaluations- und Benutzerforschung über Recherchequalität und Nutzer-Computer/Datenbank-Interaktion (1991) 0.03 
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    Abstract
    Die Einführung von CD-ROM Datenbanken als neue Informationstechnologie hat die Formen der Informationsgewinnung in bestimmten wissenschaftlichen Fachgebieten grundlegend geändert. Der Beitrag berichtet über Ergebnisse wissenschaftlicher Begleitforschung bei Endnutzerrecherchen in der CD-ROM-Version der Datenbank MEDLINE. Hierzu wurden drei verschiedene Erhebungen durchgeführt. Hiernach ist die überwiegende Zahl der Endnutzer (89,3%) mit dem jeweiligen Rechercheresultat zufrieden, wobei Benutzer mit geringer Rechercheerfahrung eine höhere Zufriedenheitsrate erreichen als Benutzer mit umfangreicheren Recherchekenntnissen. Die Gründe zur Nutzung von CD-ROM-Systemen resultieren voriwegend aus der klinischen Alltagsroutine oder täglichen Forschungspraxis, während vermittelte Online-Literatursuchen tendenziell häufiger im Zusammenhang mit einmaligen Ereignissen der wissenschaftlichen Aus- und Weiterbildung stehen. Die selbständige CD-ROM Literaturrecherche stellt für die befragten Ärzte und Wissenschaftler die bevorzugte Methode der Informationsgewinnung dar. Die analysierten Endnutzerrecherchen weisen allerdings Fehler und Defizite hinsichtlich einer optimalen Suchstrategie auf, die zu unbemerktn Informationsverlusten und zu Fehlbeurteilungen des wissenschaftlichen Kenntnisstandes führen
  9. Shenton, A.K.; Dixon, P.: ¬A comparison of youngsters' use of CD-ROM and the Internet as information resources (2003) 0.03 
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    Abstract
    Little research has compared youngsters' use of CD-ROM and the Internet for information-seeking purposes. Nevertheless, the area has recently been addressed within a largely qualitative project more generally devoted to young people's information universes. Home access to the Internet was seen to be more limited than that to CD-ROM, although the former was consulted to tackle needs of a greater number of types. The strategies employed to exploit each form of information resource were essentially similar. No attempts were reported to check the credibility of any information retrieved from electronic sources. The Internet was, however, used more frequently beyond the informants' own homes than was CD-ROM. There was also greater employment of the Internet by adults acting an the youngsters' behalf. As Internet use for school purposes rose in accordance with age, that of CD-ROM declined. When youngsters themselves compared the two resources as information-seeking tools, CD-ROM software was criticized for its lack of detailed material and the Internet for the problems in locating what was desired. Project findings have implications in a range of areas, including the marketing of CD-ROM packages, research and development and practices within schools.
  10. Azzaro, S.; Cleary, K.: One, two, three ... infinity : a computer assisted learning package for the first time user of SilverPlatter CD-ROMs (1994) 0.03 
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    Abstract
    At the start of the academic year reference staff are hard pressed to provide sufficient assistance to first time users of CD-ROMs, who have missed bibliographic instruction classes, or who need more guidance before searching. The literature on CD-ROMs was reviewed, and a survey conducted to estimate the training needs of searchers. It was found that 100% of the inexperienced searchers required assistance while searching, and 50% of their search strategies were later rated as poor. More than half the experienced searchers also needed the librarians assistance, and 31% of this group demonstrated a poor understanding of searching techniques. The survey findings were incorporated into CDIntro, a computer assisted learning package designed by the authors
  11. Rowley, J.E.: CD-ROM versus online : an evaluation of the effects of the user interface on search effectiveness; a pilot study (1989) 0.03 
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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.
  12. Scholle, U.: Kann ich Ihnen behilflich sein? : Erhebung am zentralen Auskunftsplatz der ULB Münster (2000) 0.02 
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    Date
    22. 1.2000 17:52:11
  13. Branch, J.L.: Investigating the information-seeking process of adolescents : the value of using think alouds and think afters (2000) 0.02 
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    Source
    Library and information science research. 22(2000) no.4, S.371-382
  14. Connell, T.H.: Subject searching in online catalogs : metaknowledge used by experienced searchers (1995) 0.02 
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    Abstract
    Identifies and characterizes the knowledge used by experienced librarians while searching for subject information in online catalogues. 10 experienced librarians performed the same set of 6 subject searches in an online catalogue. Investigates the knowledge used to solve retrieval problems. This knowledge presents expertise in the use of the catalogue. Data were collected through the use of think aloud protocols, transaction logs and structured interviews. Knowledge was defined as knowledge objects (factual knowledge), knowledge of events (experimental knowlegde), knowledge of performance (process knowledge), and metaknowledge. Metaknowledge is the sense of whole derived from the integration of factual, process, and experimental knowledge about the search and the conditions under which it is performed. Focuses on metaknowledge. For evidence of metaknowledge the data were examined for explanations that participants gave for their actions and observations, and for ways that participants evaluated their own progress during the process of searching. Reasons and explanations given by searchers were related to all phases of the library information retrieval process from the user's receipt of material to policies for collection development, and not just events directly related to the performance of a particular search task
  15. Abbas, J.: Out of the mouths of middle school children : I. developing user-defined controlled vocabularies for subject access in a digital library (2005) 0.02 
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    Abstract
    Representation and retrieval obstacles within a digital library designed for use by middle school children are presented. Representation of objects is key to retrieval. Tools used to create representations for children's resources, such as controlled vocabularies, need to be more age appropriate. Development of age-appropriate controlled vocabularies requires us to learn more about the ways children interact with systems and form search strategies to represent their information needs. Children's search terms and questions are a rich resource for learning more about their information seeking process, their question state, and their formulation of searches. A method for gathering and using children's own search terms and the benefits of their utilization in developing more age-appropriate controlled vocabularies are discussed.
  16. Anderson, J.: Have users changed their style? : a survey of CD-ROM vs. OPAC product usage (1995) 0.02 
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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
  17. Yoo, E.-Y.; Robbins, L.S.: Understanding middle-aged women's health information seeking on the web : a theoretical approach (2008) 0.02 
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    Date
    9. 2.2008 17:52:22
  18. Spink, A.; Beatty, L.: Multiple search sessions by end-users of online catalogs and CD-ROM databases (1995) 0.02 
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    Abstract
    Reports from a study investigating the extent to which academic end users conduct multiple search sessions, over time woth OPAC or CD-ROM databases at different stages of their information seeking related to a current research project. Interviews were conducted using a questionnaire with 200 academic end users at Rutgers University Alexander Library, NJ and University of North Texas, to investigate the occurrence of multiple search sessions. Results show that at the time of the survey interview, 57% of end users had conducted multiple search sessions during their research project and 86% of end users conducted their 1st search session at the beginning stage of their information seeking process. 49% of end users had conducted between 1 and 6 search sessions and 8% more than 6 search sessions. 70% of multiple search sessionss end users had modified their search terms since their 1st search session. Discusses the implications of the findings for end user training, information retrieval systems design and further research
  19. Spink, A.: Multiple search sessions model of end-user behaviour : an exploratory study (1996) 0.02 
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    Abstract
    Discusses a multiple search session model of end users' interaction with information retrieval systems based on results from an exploratory study investigating end users' search sessions over time with OPACs or CD-ROM databases at different stages of their information seeking related to a current research project. Interviews were conducted with 200 academic end users to investigate the occurrence of multiple search sessions
  20. Bates, M.J.: ¬The design of databases and other information resources for humanities scholars : the Getty Online Searching Project report no.4 (1994) 0.02 
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    Source
    Online and CD-ROM review. 18(1994) no.6, S.331-340

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