Homa Hosseinmardi

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. Breed

Don’t be too quick to blame social media for America’s polarization – cable news has a bigger effect, study finds

Studies of online echo chambers don’t paint the full picture of Americans’ political segregation. New research shows that the problem is more Fox News Channel and MSNBC than Facebook and Twitter.

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