Search (40 results, page 1 of 2)

  • × theme_ss:"Benutzerstudien"
  • × year_i:[2000 TO 2010}
  • × theme_ss:"Internet"
  1. Zhang, D.; Zambrowicz, C.; Zhou, H.; Roderer, N.K.: User information seeking behavior in a medical Web portal environment : a preliminary study (2004) 0.01
    0.0059192525 = product of:
      0.02367701 = sum of:
        0.02367701 = weight(_text_:information in 2261) [ClassicSimilarity], result of:
          0.02367701 = score(doc=2261,freq=22.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.38596505 = fieldWeight in 2261, product of:
              4.690416 = tf(freq=22.0), with freq of:
                22.0 = termFreq=22.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=2261)
      0.25 = coord(1/4)
    
    Abstract
    The emergence of information portal systems in the past few years has led to a greatly enhanced Web-based environment for users seeking information online. While considerable research has been conducted an user information-seeking behavior in regular IR environments over the past decade, this paper focuses specifically an how users in a medical science and clinical setting carry out their daily information seeking through a customizable information portal system (MyWelch). We describe our initial study an analyzing Web usage data from MyWelch to see whether the results conform to the features and patterns established in current information-seeking models, present several observations regarding user information-seeking behavior in a portal environment, outline possible long-term user information-seeking patterns based an usage data, and discuss the direction of future research an user information-seeking behavior in the MyWelch portal environment.
    Source
    Journal of the American Society for Information Science and Technology. 55(2004) no.8, S.670-684
  2. Cothey, V.: ¬A longitudinal study of World Wide Web users' information-searching behavior (2002) 0.01
    0.0055089183 = product of:
      0.022035673 = sum of:
        0.022035673 = weight(_text_:information in 245) [ClassicSimilarity], result of:
          0.022035673 = score(doc=245,freq=14.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.3592092 = fieldWeight in 245, product of:
              3.7416575 = tf(freq=14.0), with freq of:
                14.0 = termFreq=14.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0546875 = fieldNorm(doc=245)
      0.25 = coord(1/4)
    
    Abstract
    A study of the "real world" Web information searching behavior of 206 college students over a 10-month period showed that, contrary to expectations, the users adopted a more passive or browsing approach to Web information searching and became more eclectic in their selection of Web hosts as they gained experience. The study used a longitudinal transaction log analysis of the URLs accessed during 5,431 user days of Web information searching to detect changes in information searching behavior associated with increased experience of using the Web. The findings have implications for the design of future Web information retrieval tools
    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.2, S.67-78
  3. Rieh, S.Y.: On the Web at home : information seeking and Web searching in the home environment (2004) 0.01
    0.0053541656 = product of:
      0.021416662 = sum of:
        0.021416662 = weight(_text_:information in 2246) [ClassicSimilarity], result of:
          0.021416662 = score(doc=2246,freq=18.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.34911853 = fieldWeight in 2246, product of:
              4.2426405 = tf(freq=18.0), with freq of:
                18.0 = termFreq=18.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=2246)
      0.25 = coord(1/4)
    
    Abstract
    As more people gain at-home access to the Internet, information seeking an the Web has become embedded in everyday life. The objective of this study was to characterize the home as an information use environment and to identify a range of information seeking and Websearch behaviors at home. Twelve Northern California residents were recruited, and the data were collected through semi-structured at-home interviews based an a self-reported Search Activities Diary that subjects kept over a 3-5 day period. The data were analyzed an four levels: home environment, information seeking goals, information retrieval interaction, and search query. Eindings indicated that the home, indeed, provided a distinct information use environment beyond physical setting alone in which the subjects used the Web for diverse purposes and interests. Based an the findings, the relationships among home environment, Web context, and interaction situation were identified with respect to user goals and information-seeking behaviors.
    Source
    Journal of the American Society for Information Science and Technology. 55(2004) no.8, S.743-753
  4. Hargittai, E.: Beyond logs and surveys : in-depth measures of peoples's Web use skills (2002) 0.00
    0.0047219303 = product of:
      0.018887721 = sum of:
        0.018887721 = weight(_text_:information in 897) [ClassicSimilarity], result of:
          0.018887721 = score(doc=897,freq=14.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.3078936 = fieldWeight in 897, product of:
              3.7416575 = tf(freq=14.0), with freq of:
                14.0 = termFreq=14.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=897)
      0.25 = coord(1/4)
    
    Abstract
    Finding information an the Web can be a much more complex search process than previously experienced an many pre-Web information retrieval systems given that finding content online does not have to happen via a search algorithm typed into a search field. Rather, the Web allows for a myriad of search strategies. Although there are numerous studies of Web search techniques, these studies often limit their focus to just one part of the search process and are not based an the behavior of the general user population, nor do they include information about the users. To remedy these shortcomings, this project looks at how peopie find information online in the context of their other media use, their general Internet use patterns, in addition to using information about their demographic background and social support networks. This article describes the methodology in detail, and suggests that a mix of survey instruments and in-person observations can yield the type of rich data set that is necessary to understand in depth the differences in people's information retrieval behavior online.
    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.14, S.1239-1244
  5. Joinson, A.; Banyard, P.: Psychological aspects of information seeking on the Internet (2002) 0.00
    0.004655886 = product of:
      0.018623544 = sum of:
        0.018623544 = weight(_text_:information in 694) [ClassicSimilarity], result of:
          0.018623544 = score(doc=694,freq=10.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.3035872 = fieldWeight in 694, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0546875 = fieldNorm(doc=694)
      0.25 = coord(1/4)
    
    Abstract
    Two studies are presented that investigate information seeking behaviour on the Internet. In study one, soccer fans' information seeking on the World Wide Web is investigated. In study two, access rates to a cancer information Web site are analysed. It is tentatively argued that there is a tendency for people to access information more commonly avoided in "real life", although in the case of football fans, the tendency to "bask in reflected glory" remains when online, while cutting off reflected failure is minimised. Implications for understanding and researching psychological processes of Web browsing behaviour are discussed.
  6. Lazonder, A.W.; Biemans, H.J.A.; Wopereis, I.G.J.H.: Differences between novice and experienced users in searching information on the World Wide Web (2000) 0.00
    0.004371658 = product of:
      0.017486632 = sum of:
        0.017486632 = weight(_text_:information in 4598) [ClassicSimilarity], result of:
          0.017486632 = score(doc=4598,freq=12.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.2850541 = fieldWeight in 4598, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=4598)
      0.25 = coord(1/4)
    
    Abstract
    Searching for information on the WWW basically comes down to locating an appropriate Web site and to retrieving relevant information from that site. This study examined the effect of a user's WWW experience on both phases of the search process. 35 students from 2 schools for Dutch pre-university education were observed while performing 3 search tasks. The results indicate that subjects with WWW-experience are more proficient in locating Web sites than are novice WWW-users. The observed differences were ascribed to the experts' superior skills in operating Web search engines. However, on tasks that required subjects to locate information on specific Web sites, the performance of experienced and novice users was equivalent - a result that is in line with hypertext research. Based on these findings, implications for training and supporting students in searching for information on the WWW are identified. Finally, the role of the subjects' level of domain expertise is discussed and directions for future research are proposed
    Source
    Journal of the American Society for Information Science. 51(2000) no.6, S.576-581
  7. Kellar, M.; Watters, C.; Shepherd, M.: ¬A field study characterizing Web-based information seeking tasks (2007) 0.00
    0.0042066295 = product of:
      0.016826518 = sum of:
        0.016826518 = weight(_text_:information in 335) [ClassicSimilarity], result of:
          0.016826518 = score(doc=335,freq=16.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.27429342 = fieldWeight in 335, product of:
              4.0 = tf(freq=16.0), with freq of:
                16.0 = termFreq=16.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0390625 = fieldNorm(doc=335)
      0.25 = coord(1/4)
    
    Abstract
    Previous studies have examined various aspects of user behavior on the Web, including general information-seeking patterns, search engine use, and revisitation habits. Little research has been conducted to study how users navigate and interact with their Web browser across different information-seeking tasks. We have conducted a field study of 21 participants, in which we logged detailed Web usage and asked participants to provide task categorizations of their Web usage based on the following categories: Fact Finding, Information Gathering, Browsing, and Transactions. We used implicit measures logged during each task session to provide usage measures such as dwell time, number of pages viewed, and the use of specific browser navigation mechanisms. We also report on differences in how participants interacted with their Web browser across the range of information-seeking tasks. Within each type of task, we found several distinguishing characteristics. In particular, Information Gathering tasks were the most complex; participants spent more time completing this task, viewed more pages, and used the Web browser functions most heavily during this task. The results of this analysis have been used to provide implications for future support of information seeking on the Web as well as direction for future research in this area.
    Source
    Journal of the American Society for Information Science and Technology. 58(2007) no.7, S.999-1018
  8. Griesdorf, H.; Spink, A.: Median measure : an approach to IR systems evaluation (2001) 0.00
    0.004164351 = product of:
      0.016657405 = sum of:
        0.016657405 = weight(_text_:information in 1774) [ClassicSimilarity], result of:
          0.016657405 = score(doc=1774,freq=2.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.27153665 = fieldWeight in 1774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.109375 = fieldNorm(doc=1774)
      0.25 = coord(1/4)
    
    Source
    Information processing and management. 37(2001) no.6, S.843-857
  9. Choo, C.W.; Detlor, B.; Turnbull, D.: Information seeking on the Web : an integrated model of browsing and searching (2000) 0.00
    0.004164351 = product of:
      0.016657405 = sum of:
        0.016657405 = weight(_text_:information in 4438) [ClassicSimilarity], result of:
          0.016657405 = score(doc=4438,freq=8.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.27153665 = fieldWeight in 4438, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4438)
      0.25 = coord(1/4)
    
    Abstract
    This paper presents findings from a study of how knowledge workers use the Web to seek external information as part of their daily work. 34 users from 7 companies took part in the study. Participants were mainly IT-specialists, managers, and research/marketing/consulting staff working in organizations that included a large utility company; a major bank, and a consulting firm. Participants answered a detailed questionnaire and were interviewed individually in order to understand their information needs and information seeking preferences. A custom-developed WebTracker software application was installed on each of their work place PCs, and participants' Web-use activities were then recorded continuously during two-week periods
  10. Shenton, A.K.; Dixon, P.: ¬A comparison of youngsters' use of CD-ROM and the Internet as information resources (2003) 0.00
    0.0039349417 = product of:
      0.015739767 = sum of:
        0.015739767 = weight(_text_:information in 1865) [ClassicSimilarity], result of:
          0.015739767 = score(doc=1865,freq=14.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.256578 = fieldWeight in 1865, product of:
              3.7416575 = tf(freq=14.0), with freq of:
                14.0 = termFreq=14.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1865)
      0.25 = coord(1/4)
    
    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.
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.11, S.1029-1049
  11. Nicholas, D.; Williams, P.; Cole, P.; Martin, H.: ¬The impact of the Internet on information seeking in the Media (2000) 0.00
    0.0036430482 = product of:
      0.014572193 = sum of:
        0.014572193 = weight(_text_:information in 722) [ClassicSimilarity], result of:
          0.014572193 = score(doc=722,freq=12.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23754507 = fieldWeight in 722, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0390625 = fieldNorm(doc=722)
      0.25 = coord(1/4)
    
    Abstract
    There is very little qualitative data on what impact the Internet is having on information seeking in the workplace. Using open-ended interviews, questionnaires and observation, the impact of the Internet on the British Media was assessed. The focus was largely on newspapers, with The Guardian being covered in some depth. Over 300 journalists and media librarians were surveyed. It was found that amongst traditional journalists use was light. Poor access to the Internet - and good access to other information resources - were largely the reasons for this. Of the journalists it was mainly the older and more senior journalists and the New Media journalists who used the Internet. Librarians were also significant users. Searching the World Wide Web was the principal Internet activity and use was generally conservative in character. Newspapers and official sites were favoured, and searches were mainly of a fact-checking nature. Email was used on a very limited scale and was not regarded as a serious journalistic tool. Non-users were partly put off by the Internet's potential for overloading them with information and its reputation for producing information of suspect quality. Users generally dismissed these concerns, dealing with potential overload and quality problems largely by using authoritative sites and exploiting the lower quality data where it was needed. Where the Internet has been used it has not been at the expense of other information sources or communication channels, but online hosts seem to be at most risk in the future.
  12. Hsieh-Yee, I.: Research on Web-search behavior (2001) 0.00
    0.003606434 = product of:
      0.014425736 = sum of:
        0.014425736 = weight(_text_:information in 2277) [ClassicSimilarity], result of:
          0.014425736 = score(doc=2277,freq=6.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23515764 = fieldWeight in 2277, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2277)
      0.25 = coord(1/4)
    
    Abstract
    This article reviews studies, conducted between 1995 and 2000, on Web search behavior. These studies reported on children as well as on adults. Most of the studies on children described their interaction with the Web. Research on adult searchers focused on describing search patterns, and many studies investigated effects of selected factors on search behavior, including information organization and presentation, type of search task, Web experience, cognitive abilities, and affective states. What distinguishes the research on adult searchers is the use of multiple data-gathering methods. The research on Web search behavior reflects researchers' commitment to examine users in their information environment and exhibits rigor in design and data analysis. However, many studies lack external validity. Implications of this body of research are discussed.
    Source
    Library and information science research. 23(2001) no.2, S.167-185
  13. Wolfram, D.; Spink, A.; Jansen, B.J.; Saracevic, T.: Vox populi : the public searching of the Web (2001) 0.00
    0.0035694437 = product of:
      0.014277775 = sum of:
        0.014277775 = weight(_text_:information in 6949) [ClassicSimilarity], result of:
          0.014277775 = score(doc=6949,freq=2.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23274569 = fieldWeight in 6949, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.09375 = fieldNorm(doc=6949)
      0.25 = coord(1/4)
    
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.12, S.1073-1074
  14. Jansen, B.J.; Spink, A.; Saracevic, T.: Real life, real users and real needs : a study and analysis of users queries on the Web (2000) 0.00
    0.0035694437 = product of:
      0.014277775 = sum of:
        0.014277775 = weight(_text_:information in 411) [ClassicSimilarity], result of:
          0.014277775 = score(doc=411,freq=2.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23274569 = fieldWeight in 411, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.09375 = fieldNorm(doc=411)
      0.25 = coord(1/4)
    
    Source
    Information processing and management. 36(2000) no.2, S.207-227
  15. Wang, P.; Hawk, W.B.; Tenopir, C.: Users' interaction with World Wide Web resources : an exploratory study using a holistic approach (2000) 0.00
    0.0035694437 = product of:
      0.014277775 = sum of:
        0.014277775 = weight(_text_:information in 423) [ClassicSimilarity], result of:
          0.014277775 = score(doc=423,freq=2.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23274569 = fieldWeight in 423, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.09375 = fieldNorm(doc=423)
      0.25 = coord(1/4)
    
    Source
    Information processing and management. 36(2000) no.2, S.229-251
  16. Tombros, A.; Ruthven, I.; Jose, J.M.: How users assess Web pages for information seeking (2005) 0.00
    0.0035694437 = product of:
      0.014277775 = sum of:
        0.014277775 = weight(_text_:information in 5255) [ClassicSimilarity], result of:
          0.014277775 = score(doc=5255,freq=8.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23274569 = fieldWeight in 5255, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=5255)
      0.25 = coord(1/4)
    
    Abstract
    In this article, we investigate the criteria used by online searchers when assessing the relevance of Web pages for information-seeking tasks. Twenty-four participants were given three tasks each, and they indicated the Features of Web pages that they used when deciding about the usefulness of the pages in relation to the tasks. These tasks were presented within the context of a simulated work-task situation. We investigated the relative utility of features identified by participants (Web page content, structure, and quality) and how the importance of these features is affected by the type of information-seeking task performed and the stage of the search. The results of this study provide a set of criteria used by searchers to decide about the utility of Web pages for different types of tasks. Such criteria can have implications for the design of systems that use or recommend Web pages.
    Source
    Journal of the American Society for Information Science and Technology. 56(2005) no.4, S.327-344
  17. Lim, S.: How and why do college students use Wikipedia? (2009) 0.00
    0.0035694435 = product of:
      0.014277774 = sum of:
        0.014277774 = weight(_text_:information in 3163) [ClassicSimilarity], result of:
          0.014277774 = score(doc=3163,freq=18.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.23274568 = fieldWeight in 3163, product of:
              4.2426405 = tf(freq=18.0), with freq of:
                18.0 = termFreq=18.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.03125 = fieldNorm(doc=3163)
      0.25 = coord(1/4)
    
    Abstract
    The purposes of this study were to explore college students' perceptions, uses of, and motivations for using Wikipedia, and to understand their information behavior concerning Wikipedia based on social cognitive theory (SCT). A Web survey was used to collect data in the spring of 2008. The study sample consisted of students from an introductory undergraduate course at a large public university in the midwestern United States. A total of 134 students participated in the study, resulting in a 32.8% response rate. The major findings of the study include the following: Approximately one-third of the students reported using Wikipedia for academic purposes. The students tended to use Wikipedia for quickly checking facts and finding background information. They had positive past experiences with Wikipedia; however, interestingly, their perceptions of its information quality were not correspondingly high. The level of their confidence in evaluating Wikipedia's information quality was, at most, moderate. Respondents' past experience with Wikipedia, their positive emotional state, their disposition to believe information in Wikipedia, and information utility were positively related to their outcome expectations of Wikipedia. However, among the factors affecting outcome expectations, only information utility and respondents' positive emotions toward Wikipedia were related to their use of it. Further, when all of the independent variables, including the mediator, outcome expectations, were considered, only the variable information utility was related to Wikipedia use, which may imply a limited applicability of SCT to understanding Wikipedia use. However, more empirical evidence is needed to determine the applicability of this theory to Wikipedia use. Finally, this study supports the knowledge value of Wikipedia (Fallis, [2008]), despite students' cautious attitudes toward Wikipedia. The study suggests that educators and librarians need to provide better guidelines for using Wikipedia, rather than prohibiting Wikipedia use altogether.
    Source
    Journal of the American Society for Information Science and Technology. 60(2009) no.11, S.2189-2202
  18. Madden, A.D.; Ford, N.J.; Miller, D.; Levy, P.: Children's use of the internet for information-seeking : what strategies do they use, and what factors affect their performance? (2006) 0.00
    0.0033256328 = product of:
      0.013302531 = sum of:
        0.013302531 = weight(_text_:information in 615) [ClassicSimilarity], result of:
          0.013302531 = score(doc=615,freq=10.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.21684799 = fieldWeight in 615, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0390625 = fieldNorm(doc=615)
      0.25 = coord(1/4)
    
    Abstract
    Purpose - A common criticism of research into information seeking on the internet is that information seekers are restricted by the demands of the researcher. Another criticism is that the search topics, are often imposed by the researcher, and; particularly when working with children, domain knowledge could be as important as information-seeking skills. The research reported here attempts to address both these problems. Design/methodology/approach - A total of 15 children, aged 11 to 16, were each set three "think aloud" internet searches. In the first, they were asked to recall the last time they had sought information on the internet, and to repeat the search. For the second, they were given a word, asked to interpret it, then asked to search for their interpretation. For the third, they were asked to recall the last time they had been unsuccessful in a search, and to repeat the search. While performing each task, the children were encouraged to explain their actions. Findings - The paper finds that the factors that determined a child's ability to search successfully appeared to be: the amount of experience the child had of using the internet; the amount of guidance, both from adults and from peers; and the child's ability to explore the virtual environment, and to use the tools available for so doing. Originality/value - Many of the searches performed by participants in this paper were not related to schoolwork, and so some of the search approaches differed from those taught by teachers. Instead, they evolved through exploration and exchange of ideas. Further studies of this sort could provide insights of value to designers of web environments.
  19. Hill, L.L.; Carver, L.; Larsgaard, M.; Dolin, R.; Smith, T.R.; Frew, J.; Rae, M.-A.: Alexandria Digital Library : end user evaluation studies and system design (2000) 0.00
    0.003091229 = product of:
      0.012364916 = sum of:
        0.012364916 = weight(_text_:information in 4433) [ClassicSimilarity], result of:
          0.012364916 = score(doc=4433,freq=6.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.20156369 = fieldWeight in 4433, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=4433)
      0.25 = coord(1/4)
    
    Abstract
    The Alexandria Digital Library (ADL) is one of the 6 digital library projects funded by NSF, DARPA, and NASA. ADL's collection and services focus on information containing georeferences: maps, images, data sets, text and other information sources with links to geographic locations. During this study period, 3 different user interfaces were developed and tested by user groups. User feedback was collected through various formal and informal approaches and the results fed back into the design and implementation cycle. This article describes the evolution of the ADL system and the effect of user evaluation on that evolution. ADL is an ongoing project; user feedback and evaluation plans for the remainder of the project are described
    Source
    Journal of the American Society for Information Science. 51(2000) no.3, S.246-259
  20. Palmquist, R.A.; Kim, K.-S.: Cognitive style and on-line database search experience as predictors of Web search performance (2000) 0.00
    0.003091229 = product of:
      0.012364916 = sum of:
        0.012364916 = weight(_text_:information in 4605) [ClassicSimilarity], result of:
          0.012364916 = score(doc=4605,freq=6.0), product of:
            0.06134496 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.034944877 = queryNorm
            0.20156369 = fieldWeight in 4605, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.046875 = fieldNorm(doc=4605)
      0.25 = coord(1/4)
    
    Abstract
    This study sought to investigate the effects of cognitive style (field dependent and field independent) and on-line database search experience (novice and experienced) on the WWW search performance of undergraduate college students (n=48). It also attempted to find user factors that could be used to predict search efficiency. search performance, the dependent variable was defined in 2 ways: (1) time required for retrieving a relevant information item, and (2) the number of nodes traversed for retrieving a relevant information item. the search tasks required were carried out on a University Web site, and included a factual task and a topical search task of interest to the participant. Results indicated that while cognitive style (FD/FI) significantly influenced the search performance of novice searchers, the influence was greatly reduced in those searchers who had on-line database search experience. Based on the findings, suggestions for possible changes to the design of the current Web interface and to user training programs are provided
    Source
    Journal of the American Society for Information Science. 51(2000) no.6, S.558-566