Document (#5840)

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) 6.24
    6.244808 = sum of:
      6.244808 = sum of:
        2.7563064 = weight(author_txt:mcclure in 4612) [ClassicSimilarity], result of:
          2.7563064 = score(doc=4612,freq=1.0), product of:
            0.6497017 = queryWeight, product of:
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.0765721 = queryNorm
            4.2424183 = fieldWeight in 4612, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.5 = fieldNorm(doc=4612)
        3.488502 = weight(author_txt:hernon in 4612) [ClassicSimilarity], result of:
          3.488502 = score(doc=4612,freq=1.0), product of:
            0.7601892 = queryWeight, product of:
              1.0816926 = boost
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.0765721 = queryNorm
            4.588992 = fieldWeight in 4612, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.5 = fieldNorm(doc=4612)
    
  2. Hernon, P.; McClure, C.R.: Quality of data issues in unobtrusive testing of library reference service : recommendations and strategies (1987) 6.24
    6.244808 = sum of:
      6.244808 = sum of:
        2.7563064 = weight(author_txt:mcclure in 5838) [ClassicSimilarity], result of:
          2.7563064 = score(doc=5838,freq=1.0), product of:
            0.6497017 = queryWeight, product of:
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.0765721 = queryNorm
            4.2424183 = fieldWeight in 5838, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.5 = fieldNorm(doc=5838)
        3.488502 = weight(author_txt:hernon in 5838) [ClassicSimilarity], result of:
          3.488502 = score(doc=5838,freq=1.0), product of:
            0.7601892 = queryWeight, product of:
              1.0816926 = boost
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.0765721 = queryNorm
            4.588992 = fieldWeight in 5838, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.5 = fieldNorm(doc=5838)
    
  3. Hernon, P.; McClure, C.R.: Electronic U.S. government information : policy issues and directions (1993) 6.24
    6.244808 = sum of:
      6.244808 = sum of:
        2.7563064 = weight(author_txt:mcclure in 349) [ClassicSimilarity], result of:
          2.7563064 = score(doc=349,freq=1.0), product of:
            0.6497017 = queryWeight, product of:
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.0765721 = queryNorm
            4.2424183 = fieldWeight in 349, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.484837 = idf(docFreq=23, maxDocs=42740)
              0.5 = fieldNorm(doc=349)
        3.488502 = weight(author_txt:hernon in 349) [ClassicSimilarity], result of:
          3.488502 = score(doc=349,freq=1.0), product of:
            0.7601892 = queryWeight, product of:
              1.0816926 = boost
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.0765721 = queryNorm
            4.588992 = fieldWeight in 349, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.177984 = idf(docFreq=11, maxDocs=42740)
              0.5 = fieldNorm(doc=349)
    
  4. Hernon, P.: Utility measures, not performance measures, for library reference service? (1987) 2.18
    2.1803138 = sum of:
      2.1803138 = product of:
        4.3606277 = sum of:
          4.3606277 = weight(author_txt:hernon in 5837) [ClassicSimilarity], result of:
            4.3606277 = score(doc=5837,freq=1.0), product of:
              0.7601892 = queryWeight, product of:
                1.0816926 = boost
                9.177984 = idf(docFreq=11, maxDocs=42740)
                0.0765721 = queryNorm
              5.7362404 = fieldWeight in 5837, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.177984 = idf(docFreq=11, maxDocs=42740)
                0.625 = fieldNorm(doc=5837)
        0.5 = coord(1/2)
    
  5. Hernon, P.: Disinformation and misinformation through the Internet : findings of an exploratory study (1995) 2.18
    2.1803138 = sum of:
      2.1803138 = product of:
        4.3606277 = sum of:
          4.3606277 = weight(author_txt:hernon in 2275) [ClassicSimilarity], result of:
            4.3606277 = score(doc=2275,freq=1.0), product of:
              0.7601892 = queryWeight, product of:
                1.0816926 = boost
                9.177984 = idf(docFreq=11, maxDocs=42740)
                0.0765721 = queryNorm
              5.7362404 = fieldWeight in 2275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.177984 = idf(docFreq=11, maxDocs=42740)
                0.625 = fieldNorm(doc=2275)
        0.5 = coord(1/2)
    

Similar documents (content)

  1. Hults, P.: Reference evaluation : an overview (1992) 0.64
    0.63859206 = sum of:
      0.63859206 = product of:
        1.0643201 = sum of:
          0.1240284 = weight(abstract_txt:reference in 4549) [ClassicSimilarity], result of:
            0.1240284 = score(doc=4549,freq=3.0), product of:
              0.1716497 = queryWeight, product of:
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.03857419 = queryNorm
              0.72256696 = fieldWeight in 4549, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.09375 = fieldNorm(doc=4549)
          0.3431257 = weight(abstract_txt:testing in 4549) [ClassicSimilarity], result of:
            0.3431257 = score(doc=4549,freq=3.0), product of:
              0.33827072 = queryWeight, product of:
                1.4038177 = boost
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.03857419 = queryNorm
              1.0143523 = fieldWeight in 4549, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.09375 = fieldNorm(doc=4549)
          0.59716594 = weight(abstract_txt:unobtrusive in 4549) [ClassicSimilarity], result of:
            0.59716594 = score(doc=4549,freq=1.0), product of:
              0.70588297 = queryWeight, product of:
                2.027892 = boost
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.03857419 = queryNorm
              0.84598434 = fieldWeight in 4549, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.09375 = fieldNorm(doc=4549)
        0.6 = coord(3/5)
    
  2. Assessment and accountability in reference work (1992) 0.54
    0.53792304 = sum of:
      0.53792304 = product of:
        0.8965384 = sum of:
          0.10126876 = weight(abstract_txt:reference in 7835) [ClassicSimilarity], result of:
            0.10126876 = score(doc=7835,freq=2.0), product of:
              0.1716497 = queryWeight, product of:
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.03857419 = queryNorm
              0.58997345 = fieldWeight in 7835, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.09375 = fieldNorm(doc=7835)
          0.1981037 = weight(abstract_txt:testing in 7835) [ClassicSimilarity], result of:
            0.1981037 = score(doc=7835,freq=1.0), product of:
              0.33827072 = queryWeight, product of:
                1.4038177 = boost
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.03857419 = queryNorm
              0.58563656 = fieldWeight in 7835, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.09375 = fieldNorm(doc=7835)
          0.59716594 = weight(abstract_txt:unobtrusive in 7835) [ClassicSimilarity], result of:
            0.59716594 = score(doc=7835,freq=1.0), product of:
              0.70588297 = queryWeight, product of:
                2.027892 = boost
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.03857419 = queryNorm
              0.84598434 = fieldWeight in 7835, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.09375 = fieldNorm(doc=7835)
        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
    0.53792304 = sum of:
      0.53792304 = product of:
        0.8965384 = sum of:
          0.10126876 = weight(abstract_txt:reference in 3876) [ClassicSimilarity], result of:
            0.10126876 = score(doc=3876,freq=2.0), product of:
              0.1716497 = queryWeight, product of:
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.03857419 = queryNorm
              0.58997345 = fieldWeight in 3876, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.09375 = fieldNorm(doc=3876)
          0.1981037 = weight(abstract_txt:testing in 3876) [ClassicSimilarity], result of:
            0.1981037 = score(doc=3876,freq=1.0), product of:
              0.33827072 = queryWeight, product of:
                1.4038177 = boost
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.03857419 = queryNorm
              0.58563656 = fieldWeight in 3876, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.24679 = idf(docFreq=224, maxDocs=42740)
                0.09375 = fieldNorm(doc=3876)
          0.59716594 = weight(abstract_txt:unobtrusive in 3876) [ClassicSimilarity], result of:
            0.59716594 = score(doc=3876,freq=1.0), product of:
              0.70588297 = queryWeight, product of:
                2.027892 = boost
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.03857419 = queryNorm
              0.84598434 = fieldWeight in 3876, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.09375 = fieldNorm(doc=3876)
        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
    0.31209442 = sum of:
      0.31209442 = product of:
        0.78023607 = sum of:
          0.083542466 = weight(abstract_txt:reference in 5662) [ClassicSimilarity], result of:
            0.083542466 = score(doc=5662,freq=1.0), product of:
              0.1716497 = queryWeight, product of:
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.03857419 = queryNorm
              0.48670328 = fieldWeight in 5662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.109375 = fieldNorm(doc=5662)
          0.6966936 = weight(abstract_txt:unobtrusive in 5662) [ClassicSimilarity], result of:
            0.6966936 = score(doc=5662,freq=1.0), product of:
              0.70588297 = queryWeight, product of:
                2.027892 = boost
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.03857419 = queryNorm
              0.98698175 = fieldWeight in 5662, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.109375 = fieldNorm(doc=5662)
        0.4 = coord(2/5)
    
  5. Durrance, J.C.: Factors that influence reference success : what makes questioners willing to return? (1995) 0.28
    0.27937388 = sum of:
      0.27937388 = product of:
        0.6984347 = sum of:
          0.10126876 = weight(abstract_txt:reference in 2686) [ClassicSimilarity], result of:
            0.10126876 = score(doc=2686,freq=2.0), product of:
              0.1716497 = queryWeight, product of:
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.03857419 = queryNorm
              0.58997345 = fieldWeight in 2686, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4498587 = idf(docFreq=1356, maxDocs=42740)
                0.09375 = fieldNorm(doc=2686)
          0.59716594 = weight(abstract_txt:unobtrusive in 2686) [ClassicSimilarity], result of:
            0.59716594 = score(doc=2686,freq=1.0), product of:
              0.70588297 = queryWeight, product of:
                2.027892 = boost
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.03857419 = queryNorm
              0.84598434 = fieldWeight in 2686, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.023833 = idf(docFreq=13, maxDocs=42740)
                0.09375 = fieldNorm(doc=2686)
        0.4 = coord(2/5)