Funded projects


Mental health and well-being.

The role of emotion regulation and social networks in mental health and well-being. Rui Fan, Onur Varol, Ali Varamesh, Alexander Barron, Ingrid A. van de Leemput, Marten Scheffer & Johan Bollen (2019) The minute-scale dynamics of online emotions reveal the effects of affect labeling. Nature Human Behaviour, 3:92–100

Science of science.

Science as a complex system: metrics and funding. Bollen J, Van de Sompel H, Hagberg A, Bettencourt L, Chute R, et al. (2009) Clickstream Data Yields High-Resolution Maps of Science. PLoS ONE 4(3): e4803.i
Bollen J, Van de Sompel H, Hagberg A, Chute R (2009) A Principal Component Analysis of 39 Scientific Impact Measures. PLOS ONE 4(6): e6022.

Socio-economic modeling.

Modeling the complex relation between economies, markets, and social phenomena. Johan Bollen, Huina Mao, and Xiao-Jun Zeng (2011). Twitter mood predicts the stock market. Journal of Computational Science, 2(1):1-8, doi:10.1016/j.jocs.2010.12.007, arxiv: abs/1010.3003.

Collective Intelligence.

Groups (even of scientists) can be smarter than the sum of their members! Johan Bollen (2018). Who would you share your funding with. Nature 560, 143