Schroeder, J., Kardas, M., & Epley, N. (2017). The humanizing voice: Speech reveals, and text conceals, a more thoughtful mind in the midst of disagreement. Psychological Science, 28, 1745-1762. [APA PsycNet Link]
Short Summary: Disagreement on important political issues can incite dehumanization. This paper shows that hearing opposing opinions (vs. reading them) can reduce dehumanizing judgments of the opposition (4 experiments).