Valenzuela, S., Somma, N., Scherman, A., Arriagada, A. (2016). Social Media in Latin America: Deepening or Bridging Gaps in Protest Participation?. Online Information Review, 40(5), pp. 695-711. PDF. 

Scherman, A., Arriagada, A; Valenzuela, S. (2015). Student and Environmental Protests in Chile: The Role of Social Media. Politics, 35(2), pp. 151–171. PDF. 

Valenzuela, S., Arriagada, A., Scherman, A. (2014). Facebook, Twitter, and Youth Engagement: A Quasi-experimental Study of Social Media Use and Protest Behavior Using Propensity Score Matching. International Journal of Communication, 8, 25. PDF. 

Valenzuela, S., Arriagada, A., Scherman, A. (2012). The Social Media Basis of Youth Protest Behavior: The Case of Chile. Journal of Communication, 62(2), pp. 299-314. PDF.