Spitzer, M.: Digitale Demenz : wie wir uns und unsere Kinder um den Verstand bringen (2012)
0.01
0.012494777 = product of:
0.041649256 = sum of:
0.020160336 = product of:
0.060481004 = sum of:
0.060481004 = weight(_text_:f in 1025) [ClassicSimilarity], result of:
0.060481004 = score(doc=1025,freq=8.0), product of:
0.11445078 = queryWeight, product of:
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.028714733 = queryNorm
0.52844554 = fieldWeight in 1025, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.046875 = fieldNorm(doc=1025)
0.33333334 = coord(1/3)
0.013223897 = weight(_text_:und in 1025) [ClassicSimilarity], result of:
0.013223897 = score(doc=1025,freq=4.0), product of:
0.06364239 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.028714733 = queryNorm
0.20778441 = fieldWeight in 1025, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.046875 = fieldNorm(doc=1025)
0.008265022 = product of:
0.024795065 = sum of:
0.024795065 = weight(_text_:online in 1025) [ClassicSimilarity], result of:
0.024795065 = score(doc=1025,freq=4.0), product of:
0.08714639 = queryWeight, product of:
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.028714733 = queryNorm
0.284522 = fieldWeight in 1025, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.0349014 = idf(docFreq=5778, maxDocs=44218)
0.046875 = fieldNorm(doc=1025)
0.33333334 = coord(1/3)
0.3 = coord(3/10)
- Abstract
- Was wir früher einfach mit dem Kopf gemacht haben, wird heute von Computern, Smartphones, Organizern und Navis erledigt. Das birgt immense Gefahren, so der renommierte Gehirnforscher Manfred Spitzer.
- Classification
- F 211
F 111
- KAB
- F 211
F 111
- RSWK
- Online-Sucht (SWB)
- Subject
- Online-Sucht (SWB)