Search (7 results, page 1 of 1)

  • × author_ss:"Case, D.O."
  1. Case, D.O.; O'Connor, L.G.: What's the use? : measuring the frequency of studies of information outcomes (2016) 0.01
    0.010779679 = product of:
      0.032339036 = sum of:
        0.032339036 = weight(_text_:on in 2838) [ClassicSimilarity], result of:
          0.032339036 = score(doc=2838,freq=6.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.29462588 = fieldWeight in 2838, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2838)
      0.33333334 = coord(1/3)
    
    Abstract
    Several prominent scholars suggest that investigations of human information behavior or "information needs, seeking, and uses" rarely measure how received information is applied or its effects on the recipient, that is, its outcomes. This article explores this assertion via systematic analysis of studies published in journals between 1950 and 2012. Five time periods and four journals were sampled, including 1,391 journal articles, 915 of which were empirical studies. Based on these samples, the percentage of studies of information outcomes climbed from zero in the 1950s and 1960s, to 8% in recent research reports. The barriers to studying information outcomes and possible future research on this topic are explored.
  2. Johnson, J.D.E.; Case, D.O.; Andrews, J.; Allard, S.L.; Johnson, N.E.: Fields and pathways : contrasting or complementary views of information seeking (2006) 0.01
    0.0076997704 = product of:
      0.02309931 = sum of:
        0.02309931 = weight(_text_:on in 975) [ClassicSimilarity], result of:
          0.02309931 = score(doc=975,freq=6.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.21044704 = fieldWeight in 975, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.0390625 = fieldNorm(doc=975)
      0.33333334 = coord(1/3)
    
    Abstract
    This research contrasts two different conceptions, fields and pathways, of individual information behavior in context. These different approaches imply different relationships between actors and their information environments and, thus, encapsulate different views of the relationship between individual actions and contexts. We discuss these different theoretical views, then empirically compare and contrast them. The operationalization of these conceptions is based on different analytic treatments of the same raw data: a battery of three questions based on respondent's unaided recall of the sources they would consult for information on inherited cancers, a particularly rich information seeking problem. These operationalizations are then analyzed in a nomological network of related concepts drawn from an omnibus survey of 882 adults. The results indicated four clusters for fields and 16 different pathways, indicating increased fragmentation of information environments, with different underlying logics and active ingredients, although the use of the Internet appears to be an emerging common theme. The analysis of the nomological network suggests that both approaches may have applications for particular problems. In the implications, we compare and contrast these approaches, discussing their significance for future methodological, analytical, and theoretical developments.
  3. Case, D.O.: ¬The social shaping of videotex : how information services for the public have evolved (1994) 0.01
    0.0075442037 = product of:
      0.02263261 = sum of:
        0.02263261 = weight(_text_:on in 7704) [ClassicSimilarity], result of:
          0.02263261 = score(doc=7704,freq=4.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.20619515 = fieldWeight in 7704, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.046875 = fieldNorm(doc=7704)
      0.33333334 = coord(1/3)
    
    Abstract
    'Videotex' was an early incarnation of what have been more recently called 'end-user information services'. This article considers the origins and historical development of videotex over three decades, comparing various nationally sponsored and private systems in Europe and North America, and discussing reasons given for the 'failure' of videotex. The influence of nontechnical factors on videotex and perceptions of critical problems and acceptable solutions are described. According to this interpretation, the development of videotex faced four 'bottlenecks' at once: the determination of transmission channels; the choice of a display device; agreement on coding standards; and the marketing of these resulting services. In how it accomodated these problems, videotex provides an example of how social, political, and economic elements are inseparable from technical constraints in the development of new information technologies
  4. Case, D.O.: Conceptual organization and retrieval of text by historians : the role of memory and metaphor (1991) 0.01
    0.007112743 = product of:
      0.021338228 = sum of:
        0.021338228 = weight(_text_:on in 3013) [ClassicSimilarity], result of:
          0.021338228 = score(doc=3013,freq=2.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.19440265 = fieldWeight in 3013, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.0625 = fieldNorm(doc=3013)
      0.33333334 = coord(1/3)
    
    Abstract
    The article suggests how future models of text storage and retrieval can be informed by research on subject aspects of cognition; future designs may draw upon cognitice theories of categorization and metaphor to understand how users interact with text, both paper and electronic. The results from the study of 20 American historians imply the importance of metaphors for storage and retrieval of documents
  5. Case, D.O.: Collection of family health histories : the link between genealogy and public health (2008) 0.01
    0.0062868367 = product of:
      0.01886051 = sum of:
        0.01886051 = weight(_text_:on in 2691) [ClassicSimilarity], result of:
          0.01886051 = score(doc=2691,freq=4.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.1718293 = fieldWeight in 2691, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2691)
      0.33333334 = coord(1/3)
    
    Abstract
    Although a number of investigations have been conducted on the information behavior of family historians, we know little about the degree to which they systematically collect information on the causes of death and major illnesses of ancestors. Such information, if reliable and accessible, could be useful to family physicians, the families themselves, and to epidemiologists. This article presents findings from a two-stage study of amateur genealogists in the USA. An initial state-wide telephone survey of 901 households was followed by in-depth interviews with a national sample of 23 family historians. Over half of the responding households in the general survey reported that someone in their family collects ancestral medical data; this practice appears to be more common among respondents who are women, older persons, and those with higher incomes. In-depth interviews revealed that this information is commonly collected by family historians, and typically comes from death certificates, secondarily from obituaries, and thirdly from word-of-mouth or family records; most of these respondents collected health information for reasons of surveillance of their own health risks. Social-networking approaches to encourage gathering of family data could aid in increased awareness and surveillance of health risks. Implications for health information seeking and applicable theories are discussed.
  6. Meadow, C.T.; Cerny, B.A.; Borgman, C.L.; Case, D.O.: Online access to knowledge : system design (1989) 0.01
    0.0053345575 = product of:
      0.016003672 = sum of:
        0.016003672 = weight(_text_:on in 813) [ClassicSimilarity], result of:
          0.016003672 = score(doc=813,freq=2.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.14580199 = fieldWeight in 813, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.046875 = fieldNorm(doc=813)
      0.33333334 = coord(1/3)
    
    Abstract
    The project online access to knowledge (OAK) has developed a computer intermediary for delected users of the Department of Energy's DOE/RECON and BASIS online information retrieval systems. Its purpose is to enable people who have little or no training or experience in bibliographic searching to conduct their own searches, without the assistance of a trained librarian. hence permitting the user to work in both a place and time of his or her choosing. The purpose of this article is to report on the design and the rationale for the design. OAK software consists of both a tutorial and an assistance program. The latter does not employ a command language, hence obviates the need for a searcher to learn the formal language usually associated with an online database search service. It is central to our approach that this system does not supplant the user's ultimate primacy in knowing what he or she is looking for, nor in judging the results
  7. Case, D.O.: Looking for information : a survey on research on information seeking, needs, and behavior (2002) 0.00
    0.0037721018 = product of:
      0.011316305 = sum of:
        0.011316305 = weight(_text_:on in 1270) [ClassicSimilarity], result of:
          0.011316305 = score(doc=1270,freq=4.0), product of:
            0.109763056 = queryWeight, product of:
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.04990557 = queryNorm
            0.10309757 = fieldWeight in 1270, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.199415 = idf(docFreq=13325, maxDocs=44218)
              0.0234375 = fieldNorm(doc=1270)
      0.33333334 = coord(1/3)