The impact of group polarization on the quality of online debate in social media: A systematic literature review

• Social Media favor the emergence of polarizing echo-chambers that reduce users' exposure to diverse information. • Social Media-enabled debate is highly fragmented and polarized. • Social Media communication is increasingly polarized and prone to manipulation. • Group Polarization eases the diffusion of fake news and misinformation through Social Media. Social media are often accused of worsening the quality of online debate. In this paper, we...