Facebook tinkered with users’ feeds for a massive psychology Experiment
By William Hughes
•Jun 27, 2014
http://www.avclub.com/article/facebook- ... y-e-206324
Experimental evidence of massive-scale emotional contagion through social networks
Adam D. I. Kramera,1, Jamie E. Guilloryb, and Jeffrey T. Hancockc,d
Edited by Susan T. Fiske, Princeton University, Princeton, NJ, and approved March 25, 2014 (received for review October 23, 2013)
Significance
We show, via a massive (N = 689,003) experiment on Facebook, that emotional states can be transferred to others via emotional contagion, leading people to experience the same emotions without their awareness. We provide experimental evidence that emotional contagion occurs without direct interaction between people (exposure to a friend expressing an emotion is sufficient), and in the complete absence of nonverbal cues. ...
http://www.pnas.org/content/111/24/8788 ... ba2d7d323b
