Buchanen, N.L.; Rupp-Serano, K.; LaGrange, J.: ¬The effectiveness of a projected computersed presentation in teaching online library catalog searching (1992)
0.00
0.0019482858 = product of:
0.011689715 = sum of:
0.011689715 = product of:
0.035069145 = sum of:
0.035069145 = weight(_text_:k in 2652) [ClassicSimilarity], result of:
0.035069145 = score(doc=2652,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.27608594 = fieldWeight in 2652, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0546875 = fieldNorm(doc=2652)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)