Fig 1.
Structural and attitudinal components of an echo chamber.
Fig 2.
Frequencies for 2016 attitudinal data.
Fig 3.
Terms used in the ERG models.
Fig 4.
Echo chambers in 2016: A histogram by organization type for the numbers of echo chambers where all hold same view on 'Binding Commitment' (left), A histogram by organization type for the numbers of echo chambers where all hold same view on 'Clean Power Plan' (middle), the 2016 network showing view on 'Clean Power Plan'.
Fig 5.
Comparison of 2010 and 2016 data by the information network and the repeated attributes (Anthropogenic, Binding Commitment, Cap and Trade).
Fig 6.
Results from 3 ERG models; Model 1 displays the results for the 2010 data, Model 2 repeats Model 1 but with 2016 data, and Model 3 adds terms for Clean Power Plan (CPP).
Fig 7.
Model adequacy checks for ERG models.