Leach, B.A.: Identifying CD-ROM use patterns as a tool for evaluating user instruction (1994)
0.06
0.057272278 = product of:
0.114544556 = sum of:
0.114544556 = product of:
0.22908911 = sum of:
0.22908911 = weight(_text_:b.a in 8562) [ClassicSimilarity], result of:
0.22908911 = score(doc=8562,freq=2.0), product of:
0.38146657 = queryWeight, product of:
7.7650614 = idf(docFreq=50, maxDocs=44218)
0.04912602 = queryNorm
0.6005483 = fieldWeight in 8562, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.7650614 = idf(docFreq=50, maxDocs=44218)
0.0546875 = fieldNorm(doc=8562)
0.5 = coord(1/2)
0.5 = coord(1/2)