Lawson, V.L.: Using a computer-assisted-instruction program to replace the traditional library tour : an experimental study (1989)
0.22
0.22432372 = product of:
0.44864744 = sum of:
0.32371646 = weight(_text_:assisted in 6668) [ClassicSimilarity], result of:
0.32371646 = score(doc=6668,freq=2.0), product of:
0.30980662 = queryWeight, product of:
6.7552447 = idf(docFreq=139, maxDocs=44218)
0.045861643 = queryNorm
1.0448985 = fieldWeight in 6668, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.7552447 = idf(docFreq=139, maxDocs=44218)
0.109375 = fieldNorm(doc=6668)
0.12493097 = product of:
0.24986194 = sum of:
0.24986194 = weight(_text_:instruction in 6668) [ClassicSimilarity], result of:
0.24986194 = score(doc=6668,freq=2.0), product of:
0.27218133 = queryWeight, product of:
5.934836 = idf(docFreq=317, maxDocs=44218)
0.045861643 = queryNorm
0.9179981 = fieldWeight in 6668, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.934836 = idf(docFreq=317, maxDocs=44218)
0.109375 = fieldNorm(doc=6668)
0.5 = coord(1/2)
0.5 = coord(2/4)