Human Language Reveals a Universal Positivity Bias.P. S. Dodds, E. Clark, S. Desu, M. R. Frank, A. Reagan, J. R. Williams, L.Mitchell, K. D. Harris, I. M. Kloumann, J. P. Bagrow, K. Megerdoomian, M. T. McMahon, B. F. Tivnan, C. M. Danforth.
Proceedings of the National Academy of Sciences. 2015.
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