Right-wing populism, social media and echo chambers in Western democracies

Only a minority of articles found no relationship or the reverse relationship between digital media and populism.

“Only a minority of articles found no relationship or the reverse relationship between digital media and populism138–140.”

Greater media diversity reduces the likelihood of echo chamber formation.

“Greater media diversity reduces the likelihood of echo chamber formation, as studies such as Boulianne et al. [16], Dubois et al. [65], Jones-Jang and Chung [68], Burnett et al. [69], found only minimal indication of echo chambers when examining the complete multimedia environment.”

There is no evidence that social media increases support for right-wing populism.

“Boulianne et al. [16] found no evidence that social media increases support for right-wing populism”

User attributes linked to echo chambers include, besides selective exposure, personality traits, fear of isolation and anger, openness, and reflectiveness.

“These user attributes that are linked to echo chambers include-besides selective exposurepersonality traits (e.g., [16]), fear of isolation and anger (e.g, [104]), openness (e.g., [84]), and reflectiveness (e.g., [93]).”

Most studies examined specific groups or communities on platforms, such as climate change deniers, vaccination opponents and advocates, and Trump supporters.

“Most studies examined specific groups or communities on platforms, such as climate change deniers (e.g., [94]), vaccination opponents and advocates (e.g., [49]), and Trump supporters (e.g., [16]).”