The world's greatest expert on canned TV laugh tracks helps Dr Laurie Santos demonstrate how the emotions of those around us can make us feel happier or more sad. If happiness is so contagious... can we use them to bring joy to ourselves and our loved ones?
Jeff’s research showed that participants pick up other people’s emotions through text— in say, a quick email note or an online comment— just as easily as they do in face-to-face real world interaction.”
Hancock, J. T., Landrigan, C., & Silver, C. (2007, April). Expressing emotion in text-based communication. In Proceedings of the SIGCHI conference on Human factors in computing systems (pp. 929-932). ACM.
The social media giant allowed Jeff to run an experiment to figure out the emotional impact of Facebook posts.
Kramer, A. D., Guillory, J. E., & Hancock, J. T. (2014). Experimental evidence of massive-scale emotional contagion through social networks. Proceedings of the National Academy of Sciences, 111(24), 8788-8790.
The original link has some additional references and research, but I’ve excerpted some small portions of the ethically questionable research Facebook allowed on emotional contagion several years back.