Rieber, L.P.; Hannafin, M.J.: Effects of textual and animated orienting activities and practice on learning from computer-based instruction (1988)
0.03
0.030141164 = product of:
0.120564654 = sum of:
0.120564654 = product of:
0.24112931 = sum of:
0.24112931 = weight(_text_:instruction in 512) [ClassicSimilarity], result of:
0.24112931 = score(doc=512,freq=2.0), product of:
0.26266864 = queryWeight, product of:
5.934836 = idf(docFreq=317, maxDocs=44218)
0.04425879 = queryNorm
0.9179981 = fieldWeight in 512, 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=512)
0.5 = coord(1/2)
0.25 = coord(1/4)