Document (#5839)

Author
Hernon, P.
McClure, C.R.
Title
Unobtrusive reference testing : the 55 percent rule
Source
Library journal. 111(1986) no.7, S.37-41
Year
1986
Theme
Informationsdienstleistungen

Similar documents (author)

  1. Hernon, P.; McClure, C.R.: Library reference service : an unrecognized crisis - a symposium (1987) 6.27
    6.272086 = sum of:
      6.272086 = sum of:
        2.7699323 = weight(author_txt:mcclure in 4611) [ClassicSimilarity], result of:
          2.7699323 = score(doc=4611,freq=1.0), product of:
            0.64995843 = queryWeight, product of:
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.07625565 = queryNorm
            4.261707 = fieldWeight in 4611, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.5 = fieldNorm(doc=4611)
        3.5021536 = weight(author_txt:hernon in 4611) [ClassicSimilarity], result of:
          3.5021536 = score(doc=4611,freq=1.0), product of:
            0.7599697 = queryWeight, product of:
              1.0813228 = boost
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.07625565 = queryNorm
            4.6082807 = fieldWeight in 4611, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.5 = fieldNorm(doc=4611)
    
  2. Hernon, P.; McClure, C.R.: Quality of data issues in unobtrusive testing of library reference service : recommendations and strategies (1987) 6.27
    6.272086 = sum of:
      6.272086 = sum of:
        2.7699323 = weight(author_txt:mcclure in 5837) [ClassicSimilarity], result of:
          2.7699323 = score(doc=5837,freq=1.0), product of:
            0.64995843 = queryWeight, product of:
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.07625565 = queryNorm
            4.261707 = fieldWeight in 5837, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.5 = fieldNorm(doc=5837)
        3.5021536 = weight(author_txt:hernon in 5837) [ClassicSimilarity], result of:
          3.5021536 = score(doc=5837,freq=1.0), product of:
            0.7599697 = queryWeight, product of:
              1.0813228 = boost
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.07625565 = queryNorm
            4.6082807 = fieldWeight in 5837, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.5 = fieldNorm(doc=5837)
    
  3. Hernon, P.; McClure, C.R.: Electronic U.S. government information : policy issues and directions (1993) 6.27
    6.272086 = sum of:
      6.272086 = sum of:
        2.7699323 = weight(author_txt:mcclure in 348) [ClassicSimilarity], result of:
          2.7699323 = score(doc=348,freq=1.0), product of:
            0.64995843 = queryWeight, product of:
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.07625565 = queryNorm
            4.261707 = fieldWeight in 348, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.523414 = idf(docFreq=23, maxDocs=44421)
              0.5 = fieldNorm(doc=348)
        3.5021536 = weight(author_txt:hernon in 348) [ClassicSimilarity], result of:
          3.5021536 = score(doc=348,freq=1.0), product of:
            0.7599697 = queryWeight, product of:
              1.0813228 = boost
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.07625565 = queryNorm
            4.6082807 = fieldWeight in 348, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.216561 = idf(docFreq=11, maxDocs=44421)
              0.5 = fieldNorm(doc=348)
    
  4. Hernon, P.: Utility measures, not performance measures, for library reference service? (1987) 2.19
    2.188846 = sum of:
      2.188846 = product of:
        4.377692 = sum of:
          4.377692 = weight(author_txt:hernon in 5836) [ClassicSimilarity], result of:
            4.377692 = score(doc=5836,freq=1.0), product of:
              0.7599697 = queryWeight, product of:
                1.0813228 = boost
                9.216561 = idf(docFreq=11, maxDocs=44421)
                0.07625565 = queryNorm
              5.7603507 = fieldWeight in 5836, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.216561 = idf(docFreq=11, maxDocs=44421)
                0.625 = fieldNorm(doc=5836)
        0.5 = coord(1/2)
    
  5. Hernon, P.: Disinformation and misinformation through the Internet : findings of an exploratory study (1995) 2.19
    2.188846 = sum of:
      2.188846 = product of:
        4.377692 = sum of:
          4.377692 = weight(author_txt:hernon in 2274) [ClassicSimilarity], result of:
            4.377692 = score(doc=2274,freq=1.0), product of:
              0.7599697 = queryWeight, product of:
                1.0813228 = boost
                9.216561 = idf(docFreq=11, maxDocs=44421)
                0.07625565 = queryNorm
              5.7603507 = fieldWeight in 2274, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.216561 = idf(docFreq=11, maxDocs=44421)
                0.625 = fieldNorm(doc=2274)
        0.5 = coord(1/2)
    

Similar documents (content)

  1. Hults, P.: Reference evaluation : an overview (1992) 0.64
    0.64115095 = sum of:
      0.64115095 = product of:
        1.0685849 = sum of:
          0.12469024 = weight(abstract_txt:reference in 4548) [ClassicSimilarity], result of:
            0.12469024 = score(doc=4548,freq=3.0), product of:
              0.17197552 = queryWeight, product of:
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.038515247 = queryNorm
              0.72504646 = fieldWeight in 4548, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.09375 = fieldNorm(doc=4548)
          0.34202677 = weight(abstract_txt:testing in 4548) [ClassicSimilarity], result of:
            0.34202677 = score(doc=4548,freq=3.0), product of:
              0.33699107 = queryWeight, product of:
                1.3998319 = boost
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.038515247 = queryNorm
              1.0149431 = fieldWeight in 4548, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.09375 = fieldNorm(doc=4548)
          0.6018679 = weight(abstract_txt:unobtrusive in 4548) [ClassicSimilarity], result of:
            0.6018679 = score(doc=4548,freq=1.0), product of:
              0.70841247 = queryWeight, product of:
                2.0295968 = boost
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.038515247 = queryNorm
              0.849601 = fieldWeight in 4548, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.09375 = fieldNorm(doc=4548)
        0.6 = coord(3/5)
    
  2. Assessment and accountability in reference work (1992) 0.54
    0.54068786 = sum of:
      0.54068786 = product of:
        0.90114635 = sum of:
          0.10180916 = weight(abstract_txt:reference in 7834) [ClassicSimilarity], result of:
            0.10180916 = score(doc=7834,freq=2.0), product of:
              0.17197552 = queryWeight, product of:
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.038515247 = queryNorm
              0.591998 = fieldWeight in 7834, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.09375 = fieldNorm(doc=7834)
          0.19746926 = weight(abstract_txt:testing in 7834) [ClassicSimilarity], result of:
            0.19746926 = score(doc=7834,freq=1.0), product of:
              0.33699107 = queryWeight, product of:
                1.3998319 = boost
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.038515247 = queryNorm
              0.58597773 = fieldWeight in 7834, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.09375 = fieldNorm(doc=7834)
          0.6018679 = weight(abstract_txt:unobtrusive in 7834) [ClassicSimilarity], result of:
            0.6018679 = score(doc=7834,freq=1.0), product of:
              0.70841247 = queryWeight, product of:
                2.0295968 = boost
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.038515247 = queryNorm
              0.849601 = fieldWeight in 7834, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.09375 = fieldNorm(doc=7834)
        0.6 = coord(3/5)
    
  3. Head, M.C.; Marcella, R.; Smith, J.M.: Are you being served? : The quality of business information provision in Scottish public libraries (1995) 0.54
    0.54068786 = sum of:
      0.54068786 = product of:
        0.90114635 = sum of:
          0.10180916 = weight(abstract_txt:reference in 3875) [ClassicSimilarity], result of:
            0.10180916 = score(doc=3875,freq=2.0), product of:
              0.17197552 = queryWeight, product of:
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.038515247 = queryNorm
              0.591998 = fieldWeight in 3875, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.09375 = fieldNorm(doc=3875)
          0.19746926 = weight(abstract_txt:testing in 3875) [ClassicSimilarity], result of:
            0.19746926 = score(doc=3875,freq=1.0), product of:
              0.33699107 = queryWeight, product of:
                1.3998319 = boost
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.038515247 = queryNorm
              0.58597773 = fieldWeight in 3875, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.250429 = idf(docFreq=232, maxDocs=44421)
                0.09375 = fieldNorm(doc=3875)
          0.6018679 = weight(abstract_txt:unobtrusive in 3875) [ClassicSimilarity], result of:
            0.6018679 = score(doc=3875,freq=1.0), product of:
              0.70841247 = queryWeight, product of:
                2.0295968 = boost
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.038515247 = queryNorm
              0.849601 = fieldWeight in 3875, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.09375 = fieldNorm(doc=3875)
        0.6 = coord(3/5)
    
  4. Head, M.C.; Marcella, R.: ¬A testing question : the quality of reference services in Scottish public libraries (1993) 0.31
    0.314467 = sum of:
      0.314467 = product of:
        0.7861675 = sum of:
          0.08398828 = weight(abstract_txt:reference in 5661) [ClassicSimilarity], result of:
            0.08398828 = score(doc=5661,freq=1.0), product of:
              0.17197552 = queryWeight, product of:
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.038515247 = queryNorm
              0.48837343 = fieldWeight in 5661, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.109375 = fieldNorm(doc=5661)
          0.70217925 = weight(abstract_txt:unobtrusive in 5661) [ClassicSimilarity], result of:
            0.70217925 = score(doc=5661,freq=1.0), product of:
              0.70841247 = queryWeight, product of:
                2.0295968 = boost
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.038515247 = queryNorm
              0.99120116 = fieldWeight in 5661, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.109375 = fieldNorm(doc=5661)
        0.4 = coord(2/5)
    
  5. Durrance, J.C.: Factors that influence reference success : what makes questioners willing to return? (1995) 0.28
    0.28147084 = sum of:
      0.28147084 = product of:
        0.70367706 = sum of:
          0.10180916 = weight(abstract_txt:reference in 2685) [ClassicSimilarity], result of:
            0.10180916 = score(doc=2685,freq=2.0), product of:
              0.17197552 = queryWeight, product of:
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.038515247 = queryNorm
              0.591998 = fieldWeight in 2685, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4651284 = idf(docFreq=1388, maxDocs=44421)
                0.09375 = fieldNorm(doc=2685)
          0.6018679 = weight(abstract_txt:unobtrusive in 2685) [ClassicSimilarity], result of:
            0.6018679 = score(doc=2685,freq=1.0), product of:
              0.70841247 = queryWeight, product of:
                2.0295968 = boost
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.038515247 = queryNorm
              0.849601 = fieldWeight in 2685, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.06241 = idf(docFreq=13, maxDocs=44421)
                0.09375 = fieldNorm(doc=2685)
        0.4 = coord(2/5)