Search (2 results, page 1 of 1)

  • × author_ss:"Cherry, J.M."
  • × theme_ss:"OPAC"
  1. Cherry, J.M.; Clinton, M.: ¬An experimental investigation of two types of instruction for OPAC users (1991) 0.01
    0.012309051 = product of:
      0.024618102 = sum of:
        0.024618102 = product of:
          0.049236204 = sum of:
            0.049236204 = weight(_text_:22 in 3098) [ClassicSimilarity], result of:
              0.049236204 = score(doc=3098,freq=2.0), product of:
                0.1590723 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045425482 = queryNorm
                0.30952093 = fieldWeight in 3098, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3098)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Canadian journal of information science. 16(1991) no.4, S.2-22
  2. Cherry, J.M.; Yuan, W.; Clinton, M.: Evaluating the effectiveness of a concept-based computer tutorial for OPAC users (1994) 0.01
    0.01093275 = product of:
      0.0218655 = sum of:
        0.0218655 = product of:
          0.043731 = sum of:
            0.043731 = weight(_text_:w in 8495) [ClassicSimilarity], result of:
              0.043731 = score(doc=8495,freq=2.0), product of:
                0.17310768 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.045425482 = queryNorm
                0.2526231 = fieldWeight in 8495, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.046875 = fieldNorm(doc=8495)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    

Authors