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Il buon umore è contagioso anche via Facebook: aggiornamenti di stato o post positivi di un utente richiamano post positivi dei suoi amici.Lo dimostra uno studio pubblicato sulla rivista PLOS ONE condotto da James Fowler della University of California a San Diego, già autore di numerosi studi sul fenomeno del contagio di comportamenti ed emozioni (come obesità, generosità, felicità.
Finora gli esperti si erano focalizzati solo su reti di amicizie e conoscenti reali e non su reti virtuali come Facebook. La ricerca, usando un software analizzatore, ha permesso di visionare oltre un miliardo di aggiornamenti di stato su Facebook seguendo oltre 100 milioni di profili (resi anonimi) per 1180 giorni dal 2009 al 2012.
È emerso che un post positivo richiama altri post positivi, segno che l'umore positivo di un individuo contagia l'umore di altri attraverso Facebook. Lo stesso avviene, ma in misura minore, per l'umore negativo.
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Gallery video - La felicità virtuale è contagiosa
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