-
Cherry, J.M.; Clinton, M.: ¬An experimental investigation of two types of instruction for OPAC users (1991)
0.03
0.03057465 = product of:
0.0611493 = sum of:
0.0611493 = sum of:
0.02051778 = weight(_text_:m in 3098) [ClassicSimilarity], result of:
0.02051778 = score(doc=3098,freq=2.0), product of:
0.0932839 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.03748677 = queryNorm
0.21994986 = fieldWeight in 3098, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0625 = fieldNorm(doc=3098)
0.04063152 = weight(_text_:22 in 3098) [ClassicSimilarity], result of:
0.04063152 = score(doc=3098,freq=2.0), product of:
0.13127229 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03748677 = 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)
- Source
- Canadian journal of information science. 16(1991) no.4, S.2-22
-
Cherry, J.M.; Clinton, M.: OPACs at five Ontario universities : a profile of users and user satisfaction (1992)
0.01
0.005129445 = product of:
0.01025889 = sum of:
0.01025889 = product of:
0.02051778 = sum of:
0.02051778 = weight(_text_:m in 3631) [ClassicSimilarity], result of:
0.02051778 = score(doc=3631,freq=2.0), product of:
0.0932839 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.03748677 = queryNorm
0.21994986 = fieldWeight in 3631, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0625 = fieldNorm(doc=3631)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Cherry, J.M.; Yuan, W.; Clinton, M.: Evaluating the effectiveness of a concept-based computer tutorial for OPAC users (1994)
0.00
0.0038470838 = product of:
0.0076941676 = sum of:
0.0076941676 = product of:
0.015388335 = sum of:
0.015388335 = weight(_text_:m in 8495) [ClassicSimilarity], result of:
0.015388335 = score(doc=8495,freq=2.0), product of:
0.0932839 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.03748677 = queryNorm
0.1649624 = fieldWeight in 8495, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.046875 = fieldNorm(doc=8495)
0.5 = coord(1/2)
0.5 = coord(1/2)