Cognition, education and multimedia : exploring ideas in high technology (1990)
0.02
0.017585898 = product of:
0.07034359 = sum of:
0.07034359 = product of:
0.14068718 = sum of:
0.14068718 = weight(_text_:instruction in 1536) [ClassicSimilarity], result of:
0.14068718 = score(doc=1536,freq=4.0), product of:
0.25285673 = queryWeight, product of:
5.934836 = idf(docFreq=317, maxDocs=44218)
0.04260551 = queryNorm
0.5563909 = fieldWeight in 1536, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.934836 = idf(docFreq=317, maxDocs=44218)
0.046875 = fieldNorm(doc=1536)
0.5 = coord(1/2)
0.25 = coord(1/4)
- LCSH
- Computer / assisted instruction
- Subject
- Computer / assisted instruction