Human language reveals a universal positivity bias - discu.eu

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Human language reveals a universal positivity bias http://www.pnas.org/content/112/8/2389.full 9 comments 18/8/2017 linguistics

Human language reveals a universal positivity bias http://www.pnas.org/content/early/2015/02/04/1411678112 12 comments 9/2/2015 science