Spitzer, M.: Digitale Demenz : wie wir uns und unsere Kinder um den Verstand bringen (2012)
0.01
0.013772421 = product of:
0.04820347 = sum of:
0.024305634 = product of:
0.04861127 = sum of:
0.04861127 = weight(_text_:w in 1025) [ClassicSimilarity], result of:
0.04861127 = score(doc=1025,freq=4.0), product of:
0.13606577 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.03570525 = queryNorm
0.35726303 = fieldWeight in 1025, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.046875 = fieldNorm(doc=1025)
0.5 = coord(1/2)
0.023897832 = weight(_text_:j in 1025) [ClassicSimilarity], result of:
0.023897832 = score(doc=1025,freq=2.0), product of:
0.113453306 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.03570525 = queryNorm
0.21064025 = fieldWeight in 1025, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=1025)
0.2857143 = coord(2/7)
- Classification
- IBUG (W)
- Footnote
- Rez. in: Spektrum der Wissenschaft 2013, Juli, S.100 (J. Fischer)
- GHBS
- IBUG (W)