Don't be too quick to blame social media for America's polarization – cable news has a bigger effect, study finds
- Written by Homa Hosseinmardi, Associate Research Scientist in Computational Social Science, University of Pennsylvania
Joe Biden and Donald Trump supporters, like these two, are more likely to be polarized by TV news than online echo chambers.AP Photo/Allen G. BreedThe past two election cycles have seen an explosion of attention given to “echo chambers,” or communities where a narrow set of views makes people less likely to challenge their own...


